| 04/01/2025 13:45 |
(Delayed) Matters Concerning Controlling Shareholders, etc. |
| 03/06/2025 08:00 |
NOTICE OF THE 66th ORDINARY GENERAL MEETING OF SHAREHOLDERS |
| 03/05/2025 17:00 |
(Delayed) Notice Regarding Partial Amendments to the Articles of Incorporation |
| 02/27/2025 10:40 |
Notice Regarding the Results of Repurchase of Own Shares Through ToSTNeT-3, Completion of Repurchase of Own Shares, and Cancellation of Own Shares |
| 02/26/2025 16:30 |
Notice Regarding Repurchase of Own Shares, Repurchase of Own Shares Through ToSTNeT-3, and Cancellation of Own shares |
| 02/19/2025 16:30 |
Notice regarding amendments to the Restricted Stock Compensation Plan |
| 02/19/2025 16:30 |
Notice Regarding the Appointment of Candidates for Directors |
| 02/19/2025 16:30 |
Notice Regarding Dividends from Surplus |
| 02/18/2025 16:45 |
(Delayed) Financial Results Materials Fiscal Year Ended December 2024 |
| 02/12/2025 15:30 |
Summary of Financial Results 2024 |
| 02/12/2025 15:30 |
Notice Regarding Revision of Dividend Forecast |
| 02/12/2025 15:30 |
Investors Guide |
| 02/12/2025 15:30 |
Consolidated Financial Highlights of the Fiscal Year Ending Dec 2024 |
| 02/12/2025 15:30 |
Consolidated Financial Results for the Year Ended December 31, 2024 [Japanese GAAP] |
| 01/29/2025 12:30 |
(Delayed) Notice Regarding Transition to a Company with an Audit and Supervisory Committee |
| 01/09/2025 15:30 |
(Delayed) New plasticity processing technology of slurry cast silica glass. Expanding lineups of shapes applicable to various industrial applications |
| 11/15/2024 12:30 |
(Delayed) Financial Results Materials Third Quarter of FY12/2024 |
| 11/08/2024 15:30 |
Investors Guide |
| 11/08/2024 15:30 |
Consolidated Financial Highlights for the Third Quarter of the Fiscal Year Ending Dec 2024 |
| 11/08/2024 15:30 |
Consolidated Financial Results for the Nine Months Ended September 30, 2024 [Japanese GAAP] |
| 10/31/2024 15:00 |
(Delayed)Kohoku Kogyo Co., Ltd. and WARPSPACE Inc. form a capital and business alliance to develop optical systems for the space communications field |
| 08/09/2024 17:00 |
(Delayed) Development of an Epitaxial PLZT Thin-film Ultra-fast Optical Modulator |
| 08/09/2024 17:00 |
(Delayed) Financial Results Materials Second Quarter (First Six Months) of FY12/2024 |
| 08/08/2024 15:00 |
Investors Guide |
| 08/08/2024 15:00 |
Notice of Revision of Full-year Financial Forecast |
| 08/08/2024 15:00 |
Consolidated Financial Results for the Six Months Ended June 30, 2024 [Japanese GAAP] |
| 08/08/2024 15:00 |
Consolidated Financial Highlights for the Six Months Ended June 30, 2024 |
| 07/31/2024 15:30 |
Notice of Revision of Second Quarter (Semi-annual) Financial Forecast |
| 05/27/2024 15:00 |
Development of a New Multi-Core Fiber Connection Optical Component for Next-Generation Submarine Cable Systems |
| 05/17/2024 17:00 |
(Delayed)Consolidated Financial Results for the Three Months Ended March 31, 2024 [Japanese GAAP] |
| 05/17/2024 17:00 |
(Delayed)Financial Results Materials First Quarter of FY12/2024 |
| 05/09/2024 15:00 |
Consolidated Financial Highlights for the First Quarter of the Fiscal Year Ending Dec 2024 |
| 04/10/2024 16:15 |
(Delayed)Corporate Governance Report |
| 04/08/2024 15:15 |
(Delayed)Summary of the evaluation results regarding the effectiveness of the Company's Board of Directors |
