Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345555 | Self-heating ignition plug | Yujiro Oshima, Yoshiyasu Fujitani, Shiroh Kondoh, Kouji Yokota | 1982-08-24 |
| 4316822 | Catalyst for purifying exhaust gases | Yoshiyasu Fujitani, Shiroh Kondoh, Makoto Tomita, Kouji Yokota, Hideo Sobukawa +1 more | 1982-02-23 |