Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11661034 | Wiper control device | — | 2023-05-30 |
| 11015987 | Temperature estimation method | Satoru Toyama, Ryuichi Nishiura, Tsuyoshi Amimoto, Ryota KURIYAMA | 2021-05-25 |
| 10761079 | Method of estimating overheating temperature of oil-immersed electric appliance | Ryota KURIYAMA, Fukutaro Kato, Shiki Hayamizu | 2020-09-01 |
| 10359411 | Diagnosis method for internal fault of oil-immersed electric apparatus | Ryota KURIYAMA, Fukutaro Kato, Shiki Hayamizu, Satoru Toyama | 2019-07-23 |
| 10302618 | Method for diagnosing oil-filled electrical apparatus | Ryota KURIYAMA, Fukutaro Kato, Ryuichi Nishiura, Satoru Toyama | 2019-05-28 |
| 9915465 | Heat pump compressor including liquid crystal polymer insulating material | Noriaki Matsunaga, Shinobu Ogasawara, Takeharu Kageyama, Satoru Toyama, Yutaka Hirakawa | 2018-03-13 |
| 9396835 | Method for suppressing copper sulfide generation in oil-filled electrical equipment | Fukutaro Kato, Eiichi Nagao, Tsuyoshi Amimoto, Satoru Toyama | 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, Tsuyoshi Amimoto, Satoru Toyama | 2016-01-05 |
| 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, Tsuyoshi Amimoto, Satoru Toyama | 2013-04-16 |