Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7777601 | Circuit breaker | Hitoshi Ito, Kozo Maeta, Masanori Kawamura, Shigeki Koumoto | 2010-08-17 |
| 7482901 | Circuit breaker | Kazumasa Watanabe, Shigeki Koumoto, Takashi Iitsuka, Kouzou Maeta | 2009-01-27 |
| 4980525 | Linked circuit breakers having a handle tie bar (interlocking lever) | — | 1990-12-25 |