Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11146046 | Gas-insulated switchgear | Masahiro Fujioka, Daisuke Yoshida | 2021-10-12 |
| 10256058 | Switchgear | Masahiro Fujioka, Hitoshi Sadakuni, Shinichiro Nakauchi | 2019-04-09 |
| 9876336 | Gas-insulated switching apparatus | Nobuyuki Shinohara, Yasuhiro Tsukao, Masahiro Fujioka | 2018-01-23 |
| 9355796 | Switch | Takashi Harada | 2016-05-31 |
| 9330865 | Current switch | Yosuke Kuruma, Tsuyoshi Mori, Yasuhiro Tsukao, Takashi Yoshida | 2016-05-03 |
| 9048637 | Gas-insulated switchgear | Takashi Harada | 2015-06-02 |
| 8885327 | Switchgear | Takashi Harada | 2014-11-11 |
| 8587930 | Gas-insulated bus | Yoshinori Shimizu, Hitoshi Sadakuni | 2013-11-19 |
| 8089020 | Gas-insulated switching apparatus | Osamu Kisanuki, Hitoshi Sadakuni | 2012-01-03 |
| 7903394 | Gas-insulated switchgear | Hitoshi Sadakuni, Nobuya Nakajima | 2011-03-08 |