Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11637221 | Nitride semiconductor element, nitride semiconductor light emitting element, ultraviolet light emitting element | Aya Yokoyama, Yoshihito Hagihara, Akira Yoshikawa, Ziyi Zhang, Tomohiro Morishita | 2023-04-25 |
| 10937928 | Nitride semiconductor element, nitride semiconductor light emitting element, ultraviolet light emitting element | Aya Yokoyama, Yoshihito Hagihara, Akira Yoshikawa, Ziyi Zhang, Tomohiro Morishita | 2021-03-02 |
| 5601779 | Method for manufacturing hollow resin products | Hajime Ishikawa, Masaaki Ogawa, Hideo Yamamoto | 1997-02-11 |
| 5589205 | Apparatus for manufacturing hollow resin products | Hajime Ishikawa, Masaaki Ogawa, Hideo Yamamoto | 1996-12-31 |