Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6352579 | Chemical filter unit and gas purification system | Yoichi Fujumura, Hideo Saruyama, Masaki Amano | 2002-03-05 |
| 6339375 | Image monitoring apparatus and image monitoring method | Manabu Hashimoto, Kazuhiko Sumi, Hiroshi Narasada | 2002-01-15 |