Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869214 | Valve operating mechanism for internal combustion engine | Kazuo Inoue, Kenichi Nagahiro, Yoshio Ajiki | 1989-09-26 |
| 4847734 | Light emitting element array | Tsukasa Inoquchi | 1989-07-11 |