Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802177 | Semiconductor laser mount | Kenichi Yamagishi, Kazuo Horikawa | 1989-01-31 |
| 4796965 | Optical scanning device | — | 1989-01-10 |
HI
Hiromi Ishikawa
Overall (1989): #25,953 of 140,708Top 20%
2
Patents 1989