Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11309693 | Gas-insulated switchgear | Yasuhiro Tsukao | 2022-04-19 |
| 11146046 | Gas-insulated switchgear | Daisuke Yoshida, Masato Kawahigashi | 2021-10-12 |
| 10256058 | Switchgear | Hitoshi Sadakuni, Masato Kawahigashi, Shinichiro Nakauchi | 2019-04-09 |
| 9876336 | Gas-insulated switching apparatus | Nobuyuki Shinohara, Yasuhiro Tsukao, Masato Kawahigashi | 2018-01-23 |