Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5428253 | Proximity switch | Norio Onji | 1995-06-27 |
| 4983976 | Signal transmission system and method | Hisato Fujisaka, Sadao Igarashi, Toshimitsu Nozu, Katsura Onozato, Masanobu Hirose +1 more | 1991-01-08 |