Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870942 | Diagnosis device for exhaust gas recycling device of internal combustion engine | Hideaki Mizuno, Kouichi Satoya, Nobuki Uchitani, Tatsuyoshi Kamohara, Kenichi Harada +3 more | 1989-10-03 |
| 4796557 | Device for application with use of web vibration absorber | Tsunehiko Sato, Hideo Takeda, Naoyoshi Chino | 1989-01-10 |