Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459354 | Breaker apparatus | Junji Muta, Tatsuya Sumida, Yoshito Oka, Ichiaki Sano | 2002-10-01 |
| 6456187 | Breaker apparatus | Junji Muta, Tatsuya Sumitda, Yoshito Oka, Ichiaki Sano | 2002-09-24 |
| 6407656 | Breaker device | Junji Muta, Tatsuya Sumida, Yoshito Oka, Ichiaki Sano | 2002-06-18 |
| 6337448 | Circuit breaker | — | 2002-01-08 |