Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349007 | Internal combustion engine ignition device | Shinichi Nobuto, Takashi Kawakami, Shigemi Yamamoto | 1982-09-14 |
| 4315493 | Internal combustion engine ignition device | Yoshikatu Haruta, Toshiyuki Sakurai, Shigemi Yamamoto | 1982-02-16 |