Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9822974 | Vacuum pump with abatement function | Kohtaro Kawamura, Tetsuro Sugiura, Hideo Arai, Toshiharu Nakazawa, Keiichi Ishikawa +3 more | 2017-11-21 |
| 9625168 | Exhaust system | Kohtaro Kawamura, Toshiharu Nakazawa | 2017-04-18 |