Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7903394 | Gas-insulated switchgear | Hitoshi Sadakuni, Masato Kawahigashi | 2011-03-08 |
| 6610949 | Switchgear operating apparatuses | Tomohito Mori, Kyoichi Ohtsuka | 2003-08-26 |
| 6563067 | Control device for make break switch | Kyouichi Ohtsuka | 2003-05-13 |
| 6521839 | Insulation-operating rod | Ken Komatsu | 2003-02-18 |
| 6444934 | Driving force storing device for a switch operating mechanism | Mitsuyoshi Imura, Kyouichi Ohtuka | 2002-09-03 |
| 6348847 | Control device for breaker | Kyouichi Ohtsuka | 2002-02-19 |
| 6316739 | Device for controlling a breaker | Kyouichi Ohtsuka | 2001-11-13 |
| 6232569 | Switch control device | Kyoichi Ohtsuka | 2001-05-15 |
| 5687204 | Method of and apparatus for checking the degradation of a pressure vessel of a nuclear reactor | Katsuyuki Ara, Noriya Ebine | 1997-11-11 |
| 5544207 | Apparatus for measuring the thickness of the overlay clad in a pressure vessel of a nuclear reactor | Katsuyuki Ara, Noriya Ebine | 1996-08-06 |
| 5387773 | Gas circuit breaker | Toshiaki Yoshizumi, Mikio Hidaka | 1995-02-07 |