Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862139 | Anti-theft system for automotive vehicles | Masaaki Fukamachi, Akira Tanaka, Kazuo Nakamura | 1989-08-29 |
| 4849749 | Electronic lock and key switch having key identifying function | Masaaki Fukamachi, Masaru Yano, Kazuhiro Sakata | 1989-07-18 |