Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11015987 | Temperature estimation method | Kota Mizuno, Satoru Toyama, Ryuichi Nishiura, Ryota KURIYAMA | 2021-05-25 |
| 9396835 | Method for suppressing copper sulfide generation in oil-filled electrical equipment | Fukutaro Kato, Eiichi Nagao, 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, Eiichi Nagao, 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 | Eiichi Nagao, Kentaro Taninouchi, Noboru Hosokawa, Kozo Tachibana, Hirotaka Muto +2 more | 2014-10-07 |
| 8728565 | Method for inhibiting generation of copper sulfide | Fukutaro Kato, Eiichi Nagao, 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, Eiichi Nagao, Satoru Toyama, Kota Mizuno | 2013-04-16 |
| 8305179 | Oil immersed electrical apparatus | Eiichi Nagao, Kentaro Taninouchi, Noboru Hosokawa, Kozo Tachibana, Takanori Sone +2 more | 2012-11-06 |
| 8241916 | Diagnostic method for oil-filled electrical apparatus | Satoru Toyama, Junji Tanimura, Hisakatsu Kawarai | 2012-08-14 |