Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6200838 | Compound semiconductor device and method of manufacturing the same | Hajime Matsuda | 2001-03-13 |
| 5033468 | Bio stimulating device | Mitunori Takeuchi, Minoru Sasaki | 1991-07-23 |
| 4873391 | Process for producing isobutylene | Toshihiro Sato, Masao Kobayashi | 1989-10-10 |
| 4824998 | Process for producing tau-butyl methacrylate | Toshihiro Sato, Masao Kobayashi | 1989-04-25 |
| 4331824 | Process for preparation of high purity isobutylene | Minoru Ikeda, Teruhiko Yoshioka | 1982-05-25 |