Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9396835 | Method for suppressing copper sulfide generation in oil-filled electrical equipment | Fukutaro Kato, Tsuyoshi Amimoto, Satoru Toyama, Kota Mizuno | 2016-07-19 |
| 9228992 | Electric insulating oil inspection method, electric insulating oil treatment method, and oil-filled electric device maintenance method | Fukutaro Kato, Tsuyoshi Amimoto, Satoru Toyama, Kota Mizuno | 2016-01-05 |
| 8854068 | Diagnostic method for oil-filled electrical device, diagnostic device for implementing the diagnostic method, and oil-filled electrical device provided with the diagnostic device | Kentaro Taninouchi, Noboru Hosokawa, Tsuyoshi Amimoto, Kozo Tachibana, Hirotaka Muto +2 more | 2014-10-07 |
| 8728565 | Method for inhibiting generation of copper sulfide | Fukutaro Kato, Tsuyoshi Amimoto, Yoshio Kimura, Noboru Hosokawa, Junji Tanimura +1 more | 2014-05-20 |
| 8423301 | Lifetime assessment apparatus and method for oil-filled electrical device, and degradation suppression apparatus and method for oil-filled electrical device | Fukutaro Kato, Tsuyoshi Amimoto, Satoru Toyama, Kota Mizuno | 2013-04-16 |
| 8314355 | Gas insulated breaking device | Makiko Kawada, Tadao Minagawa, Ei Tsuchie, Kyoichi Ohtsuka | 2012-11-20 |
| 8305179 | Oil immersed electrical apparatus | Kentaro Taninouchi, Noboru Hosokawa, Tsuyoshi Amimoto, Kozo Tachibana, Takanori Sone +2 more | 2012-11-06 |
| 7848084 | Gas-insulated equipment | Hiroyuki Hama, Hitoshi Sadakuni, Takuya Otsuka, Kiyoshi Inami | 2010-12-07 |
| 7742283 | Gas-insulated equipment | Hiroyuki Hama, Hitoshi Sadakuni, Takuya Otsuka, Kiyoshi Inami | 2010-06-22 |
| 5096549 | Dehumidifier and method of using | Shiro Yamauchi, Kenichi Mori, Koichi Hirooka | 1992-03-17 |