Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5967193 | Flexible pipe unit for use in exhaust pipe line of automotive engine | Tadashi Nagai, Eizo Suyama, Seiji Katou, Toshiaki Kimura, Kazuo Yajima +5 more | 1999-10-19 |
| 4437992 | Process for controlling an aeration tank in an activated sludge sewage treatment | Yukio Saito, Shunsuke Nogita, Kenji Baba | 1984-03-20 |