Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499294 | Exhaust gas purification device for an internal combustion engine | Kenji Katoh, Takaaki Itou, Hiroshi Tanaka, Shuichi Kubo, Yoshiyuki Mandokoro | 2002-12-31 |
| 6496542 | Digital communication system | Yukio Yoshimura | 2002-12-17 |