Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4618752 | Gas-insulated interrupter | Yukio Ozaki, Ryukichi Sakai, Hiroshi Hasegawa | 1986-10-21 |
OF
Osamu Fujisawa
Overall (All Time): #4,003,808 of 4,157,543Top 100%
1
Patents All Time