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INC.","held_sec_code":"6994","match_status":"matched","shares":22810,"book_value_yen":19000000,"prior_shares":22473,"prior_book_value_yen":9000000,"purpose_ja":"安定的な資材調達に係わる協力関係の維持のため。なお、発行会社の持株会に加入しており、配当再投資により、保有株式数が増加している。","reciprocal":"無","pct_outstanding":0.09031909566233536,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.02131263390503539,"pct_of_holder_assets":0.01295725469870973,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":89149000000,"holder_total_assets_yen":146636000000,"implausible":false,"reciprocal_held_both_ways":false,"corporate_actions":[],"note_refs":[],"share_ratio":null,"reclassified_to_pure":false},{"holder_table":"reporting","held_name_raw":"北陸電力㈱","held_name_en":"Hokuriku Electric Power Company","held_sec_code":"9505","match_status":"matched","shares":6797,"book_value_yen":7000000,"prior_shares":6797,"prior_book_value_yen":5000000,"purpose_ja":"電力機器セグメントにおける重要顧客であり、取引関係の維持、強化のため。","reciprocal":"無","pct_outstanding":0.003253705329873782,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.007852023017644618,"pct_of_holder_assets":0.004773725415314111,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":89149000000,"holder_total_assets_yen":146636000000,"implausible":false,"reciprocal_held_both_ways":false,"corporate_actions":[],"note_refs":[],"share_ratio":null,"reclassified_to_pure":false}],"holders":[{"holder_name":"古河電気工業株式会社","holder_name_en":"Furukawa Electric Co., Ltd.","holder_sec_code":"5801","doc_id":"S100YCF0","period_end":"2026-03-31","holder_table":"reporting","shares":565540,"book_value_yen":3998000000,"prior_shares":565540,"prior_book_value_yen":2420000000,"purpose_ja":"　2025年12月開催の取締役会等における保有合理性検証の結果、当社電装エレクトロニクスセグメント、機能製品セグメント等における事業強化のため、同社との取引関係及び協力関係の維持・強化が必要であると定量的・定性的に判断し、同社株式の保有を継続しておりますが、定量的な保有効果については、発行体との関係性を考慮し、記載いたしません。","reciprocal":"有","pct_outstanding":6.02131533277259,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.9185926553944916,"pct_of_holder_assets":0.37491607056449344,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":435231000000,"holder_total_assets_yen":1066372000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"ＳＷＣＣ株式会社","holder_name_en":"SWCC Corporation","holder_sec_code":"5805","doc_id":"S100YE42","period_end":"2026-03-31","holder_table":"reporting","shares":86200,"book_value_yen":609000000,"prior_shares":129200,"prior_book_value_yen":552000000,"purpose_ja":"通信・コンポーネンツ事業の商品販売に関する取引先となります。定量評価において当社の基準を満たしており、当期末においては保有の合理性はあるものと判断しております。","reciprocal":"有","pct_outstanding":0.9177730694292133,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.574463268309248,"pct_of_holder_assets":0.2943763957501523,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":106012000000,"holder_total_assets_yen":206878000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"ＮＧＫ株式会社","holder_name_en":"NGK Corporation","holder_sec_code":"5333","doc_id":"S100YF7M","period_end":"2026-03-31","holder_table":"reporting","shares":64600,"book_value_yen":456000000,"prior_shares":64600,"prior_book_value_yen":276000000,"purpose_ja":"エネルギー＆インダストリー事業における取引先であり、同社との取引関係強化のため相互保有している。","reciprocal":"有","pct_outstanding":0.6877974511035636,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.05578991670663313,"pct_of_holder_assets":0.036675701543435774,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":817352000000,"holder_total_assets_yen":1243330000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社十六フィナンシャルグループ","holder_name_en":"Juroku Financial Group, Inc.","holder_sec_code":"7380","doc_id":"S100YA7J","period_end":"2026-03-31","holder_table":"largest","shares":37400,"book_value_yen":264000000,"prior_shares":37400,"prior_book_value_yen":160000000,"purpose_ja":"保有目的がはたされ経済合理性を有するとともに、当社グループの営業基盤である愛知県に本社を置き、地域経済との関連性が深く、地域の成長・活性化に重要な役割を持つ同社との金融取引関係維持・向上を通じた、当社グループの中長期的な企業価値の向上に資するとして保有しております。","reciprocal":"有","pct_outstanding":0.39819852432311575,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.055781404508151694,"pct_of_holder_assets":0.0035078311000584905,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":473276000000,"holder_total_assets_yen":7526018000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"東洋電機株式会社","holder_name_en":"TOYO ELECTRIC CORPORATION","holder_sec_code":"6655","doc_id":"S100YKQN","period_end":"2026-03-31","holder_table":"reporting","shares":20000,"book_value_yen":141000000,"prior_shares":20000,"prior_book_value_yen":85000000,"purpose_ja":"仕入先および販売先の双方において主要な取引先となっており、今後も安定的な取引関係の維持・強化を目的に保有する。","reciprocal":"有","pct_outstanding":0.21294038733856457,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":2.0797561404800047,"pct_of_holder_assets":1.276027106797677,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":6779641000,"holder_total_assets_yen":11049922000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"東洋シヤッター株式会社","holder_name_en":"TOYO SHUTTER CO., LTD.","holder_sec_code":"5936","doc_id":"S100YKHR","period_end":"2026-03-31","holder_table":"reporting","shares":8000,"book_value_yen":56560000,"prior_shares":8000,"prior_book_value_yen":34240000,"purpose_ja":"（保有目的）主要材料調達の取引を行っており、同社との良好な関係の維持、強化を図るため","reciprocal":"有","pct_outstanding":0.08517615493542582,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.5413470045784786,"pct_of_holder_assets":0.3126570264083524,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":10448012000,"holder_total_assets_yen":18090110000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"東海東京フィナンシャル・ホールディングス株式会社","holder_name_en":"Tokai Tokyo Financial Holdings, Inc.","holder_sec_code":"8616","doc_id":"S100YGI5","period_end":"2026-03-31","holder_table":"reporting","shares":1600,"book_value_yen":11000000,"prior_shares":1600,"prior_book_value_yen":6000000,"purpose_ja":"当社証券子会社がＩＰＯ・ＰＯ取扱業務で幹事会社を務めた当社グループの東海・中部地域での証券ビジネスにおける取引関係の維持・強化を図るため継続保有","reciprocal":"無","pct_outstanding":0.017035230987085166,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.0052498699464036,"pct_of_holder_assets":0.0007207046657109686,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":209529000000,"holder_total_assets_yen":1526284000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"オーウエル株式会社","holder_name_en":"Ｏ－ＷＥＬＬ　ＣＯＲＰＯＲＡＴＩＯＮ","holder_sec_code":"7670","doc_id":"S100YFWA","period_end":"2026-03-31","holder_table":"reporting","shares":null,"book_value_yen":null,"prior_shares":408,"prior_book_value_yen":1000000,"purpose_ja":"－","reciprocal":"無","pct_outstanding":null,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":null,"pct_of_holder_assets":null,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":22824000000,"holder_total_assets_yen":42415000000,"implausible":false,"reciprocal_held_both_ways":false}],"reclassified":[],"reclassified_note":"As filed, from the annual report's 保有目的を変更した投資株式 table. direction=to_pure means the filer moved the holding from a policy shareholding to 純投資目的 (pure investment); the shares are not necessarily sold, and the position leaves the named policy table in the year of the change. direction=to_policy is the reverse. fy_of_change_ja is the fiscal year the filer states the change took effect, verbatim — some filers list more than one. A filing repeats these rows for several years after the change, so this is a standing disclosure, not a one-year event.","implausible_note":"A row is flagged implausible when its two filed numbers are mutually impossible — book value ÷ shares of ¥1,000,000 or more, which no listed Japanese share reaches. It is a filer tagging error (a value entered at the wrong scale, or a share count in thousands), not an extraction error: the values match the filing's XBRL exactly. Flagged rows are still returned, exactly as filed, but are excluded from the yen aggregates here and counted in excluded_positions / excluded_yen so the exclusion is visible.","notes":[{"holder_table":"reporting","note_no":"1","text_ja":"（注）１．定量的な保有効果は個別の取引条件を開示できないため記載が困難であります。"},{"holder_table":"reporting","note_no":"2","text_ja":"２．保有の合理性は銘柄毎の事業戦略上の重要性等を総合的に判断し、取締役会に報告しております。"},{"holder_table":"reporting","note_no":"3","text_ja":"３．当社の株式の保有の有無については、対象先の子会社が保有する場合も「有」としております。"},{"holder_table":"reporting","note_no":"4","text_ja":"４．㈱鶴見製作所は2025年10月１日付で、普通株式１株につき２株の割合で株式分割を行っております。"},{"holder_table":"reporting","note_no":"5","text_ja":"５．イビデン㈱は2026年１月１日付で、普通株式１株につき２株の割合で株式分割を行っております。"}],"notes_note":"The filing's own numbered footnotes to the named policy table, verbatim. The XBRL numbers them (注)1, (注)2 … and gives no link back to a row, so a note is tied to a position only where it names that issuer.","flows":[{"holder_table":"reporting","share_class":"listed","issues_increased":3,"acquisition_cost_yen":3000000,"issues_decreased":4,"sale_proceeds_yen":449000000,"entity_scope":"parent_only","share_scope":"listed"},{"holder_table":"reporting","share_class":"unlisted","issues_increased":null,"acquisition_cost_yen":null,"issues_decreased":null,"sale_proceeds_yen":null,"entity_scope":"parent_only","share_scope":"unlisted"}],"flows_note":"The filer's own tally, as filed, of how many issues increased or decreased during the year and the yen involved — acquisition cost for increases, sale proceeds for decreases. Read against the reclassification table this separates what was actually sold from what merely changed category. Counts are as filed and are not corrected for filer tagging errors.","no_reduction_measure":"This product holds sale proceeds (売却価額), as filed, for one fiscal year. It does NOT hold a book-value-reduction measure. The two are different measures and must never be presented as equivalent.","scale":{"policy_total_yen":4800000000,"listed_yen":4285000000,"unlisted_yen":515000000,"listed_issues":25,"unlisted_issues":15,"equity_yen":89149000000,"equity_basis":"jgaap_consolidated","total_assets_yen":146636000000,"assets_basis":"jgaap_consolidated","pct_of_equity":5.3842443549563095,"pct_of_assets":3.2734117133582474,"equity_basis_label":"Consolidated net assets (Japanese GAAP)","assets_basis_label":"Consolidated net assets (Japanese GAAP)","equity_calc":"total policy shareholdings ÷ shareholders' equity × 100, both as filed in this annual securities report","assets_calc":"total policy shareholdings ÷ total assets × 100, both as filed in this annual securities report"},"scale_entities":[{"holder_table":"reporting","share_class":"listed","book_value_yen":4285000000,"issue_count":25,"holder_table_label":"The filer itself","entity_scope":"parent_only","share_scope":"listed"},{"holder_table":"reporting","share_class":"unlisted","book_value_yen":515000000,"issue_count":15,"holder_table_label":"The filer itself","entity_scope":"parent_only","share_scope":"unlisted"}],"scale_history":[{"year":"2022","period_end":"2022-03-31","policy_total_yen":2859000000,"equity_yen":63508000000,"equity_basis":"jgaap_consolidated","pct_of_equity":4.50179504944259,"pct_of_assets":2.5919277632724107},{"year":"2023","period_end":"2023-03-31","policy_total_yen":2875000000,"equity_yen":68513000000,"equity_basis":"jgaap_consolidated","pct_of_equity":4.196283916920876,"pct_of_assets":2.330237157353823},{"year":"2024","period_end":"2024-03-31","policy_total_yen":3674000000,"equity_yen":74526000000,"equity_basis":"jgaap_consolidated","pct_of_equity":4.929823148968145,"pct_of_assets":2.734709371999375},{"year":"2025","period_end":"2025-03-31","policy_total_yen":3597000000,"equity_yen":81103000000,"equity_basis":"jgaap_consolidated","pct_of_equity":4.43510104435101,"pct_of_assets":2.5357951060634902},{"year":"2026","period_end":"2026-03-31","policy_total_yen":4800000000,"equity_yen":89149000000,"equity_basis":"jgaap_consolidated","pct_of_equity":5.3842443549563095,"pct_of_assets":3.2734117133582474}],"scale_note":"The policy total is Official (as filed) — the filing's own total carrying amount for the whole policy bucket, listed and unlisted, summed across the entities the filing discloses. It is a floor: holdings at group companies the filing does not name are disclosed nowhere and are not included. The percentages are calculated, not filed, and carry their formula. equity_basis names which figure the denominator is, because filers report under Japanese, IFRS or US accounting standards and an adopter of the latter two stops tagging the Japanese consolidated figure — a parent-only denominator is a different measure and is labelled as one, never silently mixed with a group figure. Percentages are null where equity or total assets is missing or not positive; missing is never shown as zero.","scale_reference":"ISS's Japan proxy voting guidelines recommend a vote against the top executive at a company that allocates 20 percent or more of its net assets to cross-shareholdings, a policy effective from February 2022. ISS counts unilateral holdings, not only mutual ones.","ownership_calc":"shares held ÷ (issuer's issued shares − treasury shares) × 100, both as filed, the denominator taken from the issuer's own annual securities report nearest the holding's fiscal year end","ownership_note":"Derived, not filed. The denominator is the issuer's own reported issued shares less treasury shares, from its annual report nearest this holding's fiscal year end on either side — pct_basis_period_end gives that date, and it can fall after the holding's date where that report is the closer one. For a single-class listed stock this equals the stake's share of market capitalisation. It is null where the issuer files no annual report we hold; where the issuer's share count moves by half or more across the window, because a split or issue makes the share base indeterminate; and where the result would exceed 100%, which is a data fault rather than a stake. It is less exact where the issuer has more than one share class (pct_share_classes > 1), because treasury shares are reported across all classes.","holder_share_calc":"this position's book value ÷ the holder's shareholders' equity (or total assets) × 100, both as filed in the holder's own annual securities report","holder_share_note":"The mirror of pct_outstanding. That sizes a stake against the ISSUER — how much of the issuer this holder owns. pct_of_holder_equity and pct_of_holder_assets size the same position against the HOLDER: how much of its own capital is committed to this one name. Calculated, not filed. Null where the holder's filing gives no usable denominator, never zero. holder_equity_basis says which accounting figure the denominator is, and a parent_only basis is not comparable with a consolidated one. A position CAN legitimately exceed 100% of equity — a holder whose book equity is smaller than one long-held stake is a real and commercially interesting case, not an error — so no ceiling is imposed. Extreme values are worth checking against the filing: where the position's own two filed numbers are mutually impossible the row is marked `implausible`, but that test catches only scale errors visible per share, so it does not catch every bad figure. The book value and share count are returned alongside so the reader can check.","action_calc":"keyword match over the filing's own stated purpose and table footnotes: 株式分割、株式併合、株式交換、株式移転、会社分割、合併、持株会社、商号変更、公開買付、上場廃止","ratio_calc":"current shares ÷ prior shares where that ratio is an exact whole number (or its exact reciprocal) — the signature of a split or a consolidation rather than a trade","history":[{"year":"2022","period_end":"2022-03-31","named_holdings":33,"book_value_yen":2457000000},{"year":"2023","period_end":"2023-03-31","named_holdings":32,"book_value_yen":2460000000},{"year":"2024","period_end":"2024-03-31","named_holdings":28,"book_value_yen":3202000000},{"year":"2025","period_end":"2025-03-31","named_holdings":28,"book_value_yen":3107000000},{"year":"2026","period_end":"2026-03-31","named_holdings":25,"book_value_yen":4273000000}],"history_note":"One point per annual report filed. Each year's book value is as filed; book values are fair-valued at period end, so a change reflects both trading and market moves.","provenance":{"trust":"official","note":"Figures exactly as filed in each company's 有価証券報告書 (annual securities report), EDINET. Raw filings archived with SHA-256; doc_id links to the source filing."}}