Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701736 | Apparatus for purifying exhaust gas | Jun Yamada, Kenji Kanehara, Tohru Yoshinaga | 1997-12-30 |
| 5678403 | Adsorption apparatus for unburnt hydrocarbons for internal combustion engine | Kenji Kanehara, Jun Yamada, Tohru Yoshinaga | 1997-10-21 |