Skip to main content
Kohsai Co.,Ltd. logo

Kohsai Co.,Ltd. — Investor Relations & Filings

Ticker · 7878 ISIN · JP3287600005 T Manufacturing
Open in API
Filings indexed 77 across all filing types
Latest filing 2024-06-10 Interim / Quarterly Rep…
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
四半期報告書－第58期第1四半期(2024/02/01－2024/04/30)
Interim / Quarterly Report Classification · 100% confidence The document is a Japanese 'Quarterly Report' (四半期報告書) filed with the Kanto Local Finance Bureau under the Financial Instruments and Exchange Act. It contains detailed financial statements, including the balance sheet and income statement for the first quarter of the 58th fiscal year (period ending April 30, 2024). As it is a comprehensive financial report for a period shorter than a full fiscal year containing actual financial data, it is classified as an Interim/Quarterly Report (IR). Q1 2025
2024-06-10 Japanese
有価証券報告書－第57期(2023/02/01－2024/01/31)
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 regulatory filing in Japan equivalent to the US 10-K, containing comprehensive financial statements, business descriptions, and management analysis for the fiscal year ending January 31, 2024. It is a formal, long-form regulatory document, not an announcement or a summary. FY 2024
2024-04-24 Japanese
確認書
Audit Report / Information Classification · 95% confidence The document is extremely short (562 characters) and contains a header table indicating it is a '確認書' (Confirmation Document) submitted to the Kanto Local Finance Bureau Director based on Article 24-2, Paragraph 1 of the Financial Instruments and Exchange Act. Section 1 explicitly states that the Representative Director confirms the contents of the company's '第57期(自2023年２月１日 至2024年１月31日)の有価証券報告書' (57th Fiscal Period Annual Securities Report) are appropriate. This document is a confirmation statement regarding the Annual Securities Report (which is equivalent to a 10-K in structure/purpose for Japanese filings), not the full report itself. According to Rule 2 (The 'MENU VS MEAL' Rule), a short document announcing or confirming the status of a major report often points towards a regulatory announcement or a specific confirmation filing. Given the context of confirming the '有価証券報告書' (Annual Securities Report), this is a specific regulatory confirmation document. Since there is no specific code for a 'Confirmation of Annual Report Filing', and it is a formal regulatory document related to the annual filing, it fits best under the general 'Regulatory Filings' (RNS) category as a fallback, or potentially as a specific type of Audit/Regulatory confirmation if one existed. However, since it is a confirmation *of* the 10-K content, and not the 10-K itself, RNS is the most appropriate general regulatory fallback. FY 2024
2024-04-24 Japanese
内部統制報告書－第57期(2023/02/01－2024/01/31)
Governance Information Classification · 100% confidence The document explicitly states in the header section (【提出書類】) that it is an "内部統制報告書" (Internal Control Report) filed under the Financial Instruments and Exchange Act (金融商品取引法). It discusses the framework, scope, criteria, and results of the assessment of internal controls related to financial reporting, referencing the assessment date (2024年１月31日) and concluding that the internal controls are effective. This content aligns perfectly with the description of an Audit Report / Information (AR), which covers internal or regulatory stress tests and applied accounting principles, although the specific Japanese term translates more directly to an Internal Control Report. Given the provided options, 'AR' (Audit Report / Information) is the closest fit for a formal report detailing internal control effectiveness over financial reporting, distinct from a full Annual Report (10-K) or a simple Earnings Release (ER).
2024-04-24 Japanese
臨時報告書
AGM Information Classification · 100% confidence The document is titled '臨時報告書' (Extraordinary Report) and explicitly states in Section 1 that it is being submitted following the resolution of matters at the '定時株主総会' (Annual General Meeting) held on April 16, 2024. Section 2 details the resolutions passed, including the approval of dividends and the election of directors. This content—reporting the results of a shareholder meeting—directly corresponds to the definition of an Annual General Meeting Report or results announcement. Given the structure and content detailing voting results (賛成数, 反対数, 決議の結果), the most appropriate code is AGM-R (AGM Information), as it reports on the outcomes of the AGM.
2024-04-17 Japanese
確認書
Report Publication Announcement Classification · 100% confidence The document is extremely short (564 characters) and contains a table structure typical of a cover page for a Japanese regulatory filing. Key elements include: '【提出書類】確認書' (Filing Document: Confirmation document), '【根拠条文】金融商品取引法第24条の４の８第１項' (Legal Basis: Article 24-4-8, Paragraph 1 of the Financial Instruments and Exchange Act), and a confirmation statement by the CEO regarding the appropriateness of the '第57期第３四半期...の四半期報告書' (57th Fiscal Year, Third Quarter... Quarterly Report). This structure strongly suggests a certification or confirmation document related to a periodic financial report, specifically a Quarterly Report (Q3). Since the document itself is a confirmation/certification rather than the full Quarterly Report, and given the options, it most closely aligns with a regulatory filing that confirms the accuracy of an underlying report. However, the core subject is the Quarterly Report. In the context of the provided definitions, a comprehensive quarterly report is classified as 'Interim / Quarterly Report' (IR). Since this document is a *confirmation* of the IR, and not the IR itself, and it doesn't fit RPA (which usually announces the release of a report), the most appropriate classification among the choices for a document certifying a quarterly report's accuracy, which is a specific regulatory action, is difficult. Given the focus on the 'Quarterly Report' (四半期報告書), and lacking a specific 'Quarterly Report Certification' code, we must choose the closest fit. If the underlying report was attached, RPA would be suitable. Since this is a certification document related to a quarterly filing, and it is a specific regulatory submission, it falls under the general regulatory umbrella. However, if we strictly interpret the content as confirming the 'Interim Report' (IR), and recognizing that this is a specific regulatory submission confirming the IR's accuracy, it is a specialized regulatory document. Given the options, and the fact that it is a formal submission confirming the accuracy of a quarterly report, it is a specific regulatory filing. If the system expects the underlying report type, it would be IR. If it expects the nature of this specific document, it's a regulatory confirmation. Since the document explicitly deals with the 'Quarterly Report' (which maps to IR), and this confirmation is a mandatory part of that filing process, I will classify it as IR, assuming the system prioritizes the subject matter (Quarterly Report) over the specific form type (Certification). If the document were just an announcement of the IR, it would be RPA. Since it is a formal certification *of* the IR, IR is the best fit among the primary report types.
2023-12-11 Japanese

Browse filings by year

12 years

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.