Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11221559 | Photomask | Akihito Okumura | 2022-01-11 |
| 10866521 | Exposure apparatus and exposure method | Akihito Okumura, Yoshinori Motoda | 2020-12-15 |
| 7134873 | Orthodontic wire ligating member | Kazuo Machida, Hajime Tamura | 2006-11-14 |