Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |