Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5490662 | Garage-door spring reinforcement and repair kit | — | 1996-02-13 |
| 5452307 | Data multiplexing system having at least one low-speed interface circuit connected to a bus | Hiroki Koyama, Yoshihiro Ashi, Hiroyuki Fujita | 1995-09-19 |



