Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876680 | Monolithic optical pick-up using an optical waveguide | Shigeyoshi Misawa | 1989-10-24 |
HF
Hiroyoshi Funato
Overall (1989): #105,631 of 140,708Top 80%
1
Patents 1989