Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490149 | Drawing apparatus for a drawer type electrical machinery | Tomotaka Yano, Yuichi Yamaji, Takashi Sekiya | 2002-12-03 |
| 6445569 | Gas-insulated switchgear | Masahiro Arioka | 2002-09-03 |
| 6086398 | Terminal connection device | Yoshihiro Ookawa, Yoshinori Uchida | 2000-07-11 |
| 6025983 | Switchgear | Yoshinori Uchida, Yoshihiro Ookawa | 2000-02-15 |
| 5723836 | Operation mechanism of circuit breaker | Michiharu Okuno | 1998-03-03 |