Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646861 | Gas insulated switchgear | Hiroyasu Watanabe, Ryouichi Shinohara, Ryouichi Mitsugi, Shunji Ito | 2003-11-11 |
| 6560091 | Gas insulated switchgear | Masahiro Takahoshi, Keiichi Tsuzura, Ryoichi Shinohara, Yoriyuki Aiko, Shunji Ito | 2003-05-06 |
| 6556428 | Gas insulated switchgear | Masahiro Takahoshi, Keiichi Tsuzura, Ryoichi Shinohara, Yoriyuki Aiko, Shunji Ito | 2003-04-29 |