Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4488023 | Rotary-arc type gas-filled switch | Kenichi Matsumoto, Mashakatsu Goto, Kiyoshi Yomura, Masao Otsuka, Yoshiyuki Okamura | 1984-12-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4488023 | Rotary-arc type gas-filled switch | Kenichi Matsumoto, Mashakatsu Goto, Kiyoshi Yomura, Masao Otsuka, Yoshiyuki Okamura | 1984-12-11 |