Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4448754 | Monolithic catalyst catalytic converter with catalyst holding expansible retainer ring | Kiyoshi Isogai, Itsuo Koga, Masahiko Takeuchi, Makoto Okamoto, Nobuo Ohmori +1 more | 1984-05-15 |