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Kohsai Co.,Ltd. — Investor Relations & Filings

Ticker · 7878 ISIN · JP3287600005 T Manufacturing
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Filings indexed 77 across all filing types
Latest filing 2026-05-22 Earnings Release
Country JP Japan
Listing T 7878

About Kohsai Co.,Ltd.

https://www.kohsai-qq.co.jp/en/

Kohsai Co., Ltd. is a manufacturer specializing in jewelry and jewelry components. The company's core business involves the production and sale of high-quality jewelry parts, with a focus on earring parts, clasps, and forged rings. It also produces finished jewelry. Kohsai integrates traditional craftsmanship with state-of-the-art machining technologies to achieve both quality and quantity in its output. By operating its own factory, the company maintains complete control over the entire production process, enabling quality assurance, flexible response to customer demand, and mass production. The firm emphasizes the usability and reliability of its products, positioning itself as a technical jewelry company.

Recent filings

Filing Released Lang Actions
親会社等に係る決算に関するお知らせ
Earnings Release Classification · 85% confidence The document is titled “親会社等に係る決算に関するお知らせ” (“Notice regarding settlement of accounts of the parent company”) and provides the parent company’s full year financial results (balance sheet, P/L, changes in equity), shareholding and officer details. It is structured as a Japanese earnings announcement (決算短信) rather than a full Annual Report or regulatory certification. It is an initial public announcement of periodical financial results, matching the Earnings Release definition. FY 2026
2026-05-22 Japanese
臨時報告書
Declaration of Voting Results & Voting Rights Announcements Classification · 95% confidence The document is a statutory report submitted under the Financial Instruments and Exchange Act detailing the resolutions passed at the 2026 regular shareholders’ meeting, including vote counts, approval percentages, and the results of each agenda item. This is exactly a declaration of voting results at a general meeting, matching the “Declaration of Voting Results & Voting Rights Announcements” category.
2026-04-23 Japanese
確認書
Regulatory Filings Classification · 85% confidence The document is a short compliance “confirmation letter” under Japan’s Financial Instruments and Exchange Act (Article 24-4-2), stating that the company’s 59th‐period securities report (equivalent to an annual report) has been properly prepared. It contains no financial data or full report content, and at only ~600 characters it is clearly not the full annual report itself but a regulatory submission/announcement. This falls under the fallback “Regulatory Filings” category.
2026-04-22 Japanese
有価証券報告書－第59期(2025/02/01－2026/01/31)
Annual Report Classification · 100% confidence The document is a Japanese '有価証券報告書' (Yuuka Shouken Houkokusho), which translates to 'Annual Securities Report'. This is the standard Japanese regulatory filing equivalent to the US 10-K, containing comprehensive financial statements, business overview, and management information for the fiscal year ending January 31, 2026. It is not an announcement, but the full report itself. FY 2026
2026-04-22 Japanese
確認書
Audit Report / Information Classification · 95% confidence The document is a 'Confirmation Letter' (Kakunin-sho) filed under the Financial Instruments and Exchange Act in Japan. It confirms the accuracy of a previously filed Annual Securities Report (Yuuka Shouken Houkokusho). Since this is a regulatory filing confirming the validity of financial disclosures and does not fit into the specific categories of financial reports, earnings releases, or meeting materials, it is classified as a general regulatory filing. FY 2025
2025-11-25 Japanese
訂正有価証券報告書－第58期(2024/02/01－2025/01/31)
Annual Report Classification · 100% confidence The document is a Japanese '有価証券報告書' (Yuuka Shouken Houkokusho), which translates to 'Annual Securities Report'. This is the standard Japanese regulatory filing equivalent to a US 10-K, containing comprehensive financial statements, business overviews, and management information for the fiscal year ending January 31, 2025. It includes detailed financial tables, historical performance, and corporate governance data, confirming it is the full annual report rather than an announcement or summary. FY 2025
2025-11-25 Japanese

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