Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837855 | Non-blocking optical space switch | Toshio Shimoe, Jyoei Kamoi, Ippei Sawaki, Koso Murakami | 1989-06-06 |
KH
Kazuo Hajikano
Overall (1989): #90,928 of 140,708Top 65%
1
Patents 1989