Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690830 | Waste water treatment apparatus and washing method thereof | Akira Ohtani, Kenichi Inoue, Naoki Tada | 1997-11-25 |
| 5513285 | Compact optical switching module including thin-film heaters and trimmed thick-film fixed resistors | Jiro Utsunomiya, Kiyoshi Kurosawa, Iida Saburo, Ryo Nagase, Akira Himeno +4 more | 1996-04-30 |