Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354136 | Ignition plug for internal combustion engine | Meroji Nakai, Ryuzaburo Maruyama, Yasuhiko Nakagawa | 1982-10-12 |
| 4327698 | Exhaust gas recirculating device | Tsuyoshi Nakano, Yoshimi Uchida | 1982-05-04 |