Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881216 | Optical head in an optical memory device | Toshihisa Deguchi, Tetsuya Inui, Kenji Ohta, Schohichi Katoh | 1989-11-14 |
YF
Yoshikazu Fujii
Overall (1989): #41,371 of 140,708Top 30%
1
Patents 1989