Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12397374 | Surface treatment method, manufacturing method for product, surface treatment apparatus, and product | Kouga Okada, Toshimitsu Nagoya | 2025-08-26 |
| 12153357 | Molded product | Kouga Okada | 2024-11-26 |
| 10942303 | Method of manufacturing a member, optical member and optical element | Masato Tanaka, Makoto Kojima, Yukinobu Okura | 2021-03-09 |
| 10203437 | Method of manufacturing a member, optical member and optical element | Masato Tanaka, Makoto Kojima, Yukinobu Okura | 2019-02-12 |