Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352089 | Multi-blades fan device | Takahiro Tokunaga, Yukio Uemura, Hideo Asano, Hikaru Sugi, Teruhiko Kameoka | 1994-10-04 |
| 5122482 | Method for treating surface of silicon | Yutaka Hayashi | 1992-06-16 |
| 4950376 | Method of gas reaction process control | Yutaka Hayashi, Kenichi Ishii, Eita Kinoshita | 1990-08-21 |