Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5262129 | Ozone filter and method of production thereof | Isao Terada, Shinichiro Arai | 1993-11-16 |
| 5008455 | Method for the production of hydroxylamine derivatives | Masashi Nakajima, Kenji Suzaki, Akira Kaneko, Mikio Sawaki | 1991-04-16 |