Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8304678 | Vacuum insulated switch-gear and its height adjusting method | Shuichi Kikukawa, Kenji Tsuchiya, Daisuke Sugai | 2012-11-06 |
| 7897890 | Vacuum insulated switchgear | Shuichi Kikukawa, Kenji Tsuchiya | 2011-03-01 |
| 7813109 | Switchgear | Shuichi Kikukawa, Kenji Tsuchiya | 2010-10-12 |
| 7518851 | Distribution switchgear | Kenji Tsuchiya, Yoshinori Nishizawa | 2009-04-14 |