Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5499863 | Seat back frame | Yasuhiro Nishii, Masami Sugiura | 1996-03-19 |
| 4731782 | Digital local switching system for integrated service digital network | Tomoyoshi Shimizu, Yoshinori Yoshida, Masao Hashimoto | 1988-03-15 |