Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6392514 | Terminal unit for multipolar switch | Hisao Kawata, Naoshi Uchida, Katsunori Kuboyama | 2002-05-21 |
| 6150908 | Circuit breaker with metal melt isolation device | Koji Asakawa, Naoshi Uchida, Jun Oyama, Kentaro Toyama | 2000-11-21 |
| 5666542 | Multimedia information add-on system | Yoshiyuki Katai, Toshifumi Kogure, Toshio Watanabe | 1997-09-09 |
| 4243492 | Process for purifying crude olefin oxides | Toshio Yamamura, Yoshiro Osawa, Isao Ouchi, Nobuteru Oda, Yukio Nishiyama | 1981-01-06 |