Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4707057 | Optical switching unit | Fumitaka Takahashi, Yoshihiko Kimura, Hideo Tsubata, Kiyoshi Sashida | 1987-11-17 |
NO
Nobuaki Ohji
Overall (All Time): #3,985,613 of 4,157,543Top 100%
1
Patents All Time