Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691845 | Optical isolator, optical isolator with fiber and method for making the same | Shinji Iwatsuka, Kenjiro Hata, Makoto Sekijima | 1997-11-25 |
YK
Yoichi Kanagawa
Overall (1997): #56,216 of 185,788Top 35%
1
Patents 1997