Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10761079 | Method of estimating overheating temperature of oil-immersed electric appliance | Ryota KURIYAMA, Shiki Hayamizu, Kota Mizuno | 2020-09-01 |
| 10359411 | Diagnosis method for internal fault of oil-immersed electric apparatus | Ryota KURIYAMA, Shiki Hayamizu, Satoru Toyama, Kota Mizuno | 2019-07-23 |
| 10302618 | Method for diagnosing oil-filled electrical apparatus | Ryota KURIYAMA, Ryuichi Nishiura, Satoru Toyama, Kota Mizuno | 2019-05-28 |
| 9396835 | Method for suppressing copper sulfide generation in oil-filled electrical equipment | Eiichi Nagao, 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 | Eiichi Nagao, Tsuyoshi Amimoto, Satoru Toyama, Kota Mizuno | 2016-01-05 |
| 8728565 | Method for inhibiting generation of copper sulfide | Eiichi Nagao, 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 | Eiichi Nagao, Tsuyoshi Amimoto, Satoru Toyama, Kota Mizuno | 2013-04-16 |