Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12198850 | Stationary induction apparatus | Ryuichi Nishiura | 2025-01-14 |
| 11092638 | Impulse voltage tester | Akitoshi Ito | 2021-08-17 |
| 10714258 | Stationary induction apparatus | Takahiko Ishikura, Kenichi Mino | 2020-07-14 |
| 10209292 | Partial discharge determination method, partial discharge determination apparatus, and partial discharge determination system for power device, and method for manufacturing power device including the partial discharge determination method | Takahiro Umemoto, Soichiro Kainaga, Manabu Yoshimura | 2019-02-19 |
| 9024714 | Static apparatus | Tetsuya Matsuda, Ryuichi Nishiura, Hiroyuki Akita, Takeshi Imura, Yasuo Fujiwara +1 more | 2015-05-05 |
| 8872614 | Transformer | Ryuichi Nishiura, Yasuo Fujiwara, Yoshinori Shimizu, Tetsuya Matsuda, Takeshi Imura +1 more | 2014-10-28 |
| 7872586 | Power equipment | Makoto Miyashita | 2011-01-18 |
| 5043556 | Method of cutting a material by a laser machine | Yasuzi Yoshizumi, Katsumi Shiono, Akio Kishi | 1991-08-27 |