Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7193172 | Gas-insulated switchgear tank | Toshiaki Rokunohe, Fumihiro Endo, Tomoaki Utsumi, Shunji Ito, Takashi Omori | 2007-03-20 |
| 5712756 | Substation with surge arresters | Jun Ozawa, Kazuya Ooishi, Katsuji Shindo, Takahide Matsuo, Takeo Yamazaki | 1998-01-27 |
| 5585996 | Arrestor for gas insulated switchgear | Jun Ozawa, Kazuya Ooishi, Katsuji Shindo, Shingo Shirakawa, Satoshi Watahiki | 1996-12-17 |
| 5373279 | Arrester for gas insulated switchgear device | Jun Ozawa, Katsuji Shindo, Kazuya Ooishi | 1994-12-13 |