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TOKYO OHKA KOGYO CO., LTD. — Investor Relations & Filings

Ticker · 4186 ISIN · JP3571800006 T Manufacturing
Open in API
Filings indexed 92 across all filing types
Latest filing 2026-04-07 Capital/Financing Update
Country JP Japan
Listing T 4186

About TOKYO OHKA KOGYO CO., LTD.

https://www.tok.co.jp/eng

TOKYO OHKA KOGYO CO., LTD. (TOK) is a manufacturer of functional materials and processing equipment, primarily for the semiconductor industry. The company is a leading global supplier of photoresists, which are light-sensitive materials essential for the photolithography process in circuit fabrication. TOK leverages its core competencies in world-class microprocessing and high-purification technologies to develop and supply advanced chemical solutions that enable nano-level manufacturing. Its product portfolio includes a wide range of photoresists for various lithography generations (g/i-line, KrF, ArF, EUV), high-purity chemicals, and related processing equipment, supporting the evolution of semiconductors and other electronic devices.

Recent filings

Filing Released Lang Actions
訂正発行登録書
Capital/Financing Update Classification · 1% confidence The document is a Japanese "訂正発行登録書" (corrected issuance registration statement) filed with the Kanto Finance Bureau regarding a corporate bond issuance. It details registration dates, issuance limits, and the reason for correction—i.e., a financing activity rather than an earnings release, board change, or annual report. This clearly falls under updates on company fundraising or financing activities.
2026-04-07 Japanese
訂正発行登録書
Capital/Financing Update Classification · 1% confidence The document is a ‘訂正発行登録書’ (amended issuance registration statement) filed with the Kanto Finance Bureau concerning corporate bond issuance (社債). It amends the prior registration for bond issuance and provides details on issuance limits, effective dates, and reasons. This is a financing activity update on the company’s capital structure (debt issuance), matching our Capital/Financing Update category.
2026-04-07 Japanese
訂正発行登録書
Capital/Financing Update Classification · 1% confidence The document is a Japanese “訂正発行登録書” (corrected issuance registration statement) filed with the Kanto Finance Bureau for corporate bonds (“社債”). It details issuance registration dates, amounts, and reason for correction—clearly a financing/capital‐raising update rather than an annual report, earnings release, or management change. Thus it fits the Capital/Financing Update category.
2026-04-07 Japanese
確認書
Regulatory Filings Classification · 1% confidence The document is titled '確認書' (Confirmation Letter) and explicitly references '金融商品取引法第24条の４の２第１項' (Article 24-4-2, Paragraph 1 of the Financial Instruments and Exchange Act). It serves as an officer's certification regarding the accuracy of the Annual Securities Report (有価証券報告書). According to the 'CERTIFICATION RULE', documents that are primarily officer certifications or attestations should be classified as Regulatory Filings (RNS), even if they reference a specific report type, as they do not contain the actual financial statements themselves. FY 96
2026-03-24 Japanese
有価証券報告書－第96期(2025/01/01－2025/12/31)
Annual Report Classification · 1% confidence The document is a Japanese 'Yuka Shoken Hokokusho' (Securities Report), which is the Japanese equivalent of a 10-K annual report. It contains a formal cover page, specifies the fiscal year (2025-01-01 to 2025-12-31), identifies the company (Tokyo Ohka Kogyo Co., Ltd.), and includes XBRL-like metadata tags typical of official annual regulatory filings submitted to the Kanto Local Finance Bureau. FY 2025
2026-03-24 Japanese
発行登録追補書類（株券､社債券等）
Capital/Financing Update Classification · 1% confidence The document is a '発行登録追補書類' (Shelf Registration Supplement) filed with the Kanto Local Finance Bureau by Tokyo Ohka Kogyo Co., Ltd. It details the issuance of corporate bonds (社債), including terms, interest rates, and the use of proceeds. This type of document is a formal regulatory filing related to capital raising activities, which falls under the 'Capital/Financing Update' category.
2025-12-05 Japanese

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