Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6882257 | Earth Leakage Breaker | Setsuo Hosogai, Kunihiko Takahata | 2005-04-19 |
| 6538548 | Method for producing an iron core assembly | Hiroyuki Akita, Yuji Nakahara, Nobuaki Miyake, Ken-ichi Azuma | 2003-03-25 |
| 6369687 | Iron core assembly and method for producing the same | Hiroyuki Akita, Yuji Nakahara, Nobuaki Miyake, Ken-ichi Azuma | 2002-04-09 |