Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12135093 | Valve device | Koichi Sugihara, Mamoru Yoshioka, Shinji Kawai, Takashi Bessho, Kaisho SO +2 more | 2024-11-05 |
| 5087341 | Dry etching apparatus and method | Tsutomu Tsukada, Etsuo Wani | 1992-02-11 |