Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850681 | Optical modulation device | Yasuyuki Watanabe, Hajime Sakata, Yukitoshi Ohkubo, Tomoyuki Umezawa, Chiori Mochizuki +5 more | 1989-07-25 |
MY
Masao Yamanobe
Overall (All Time): #3,933,485 of 4,157,543Top 95%
1
Patents All Time