Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875128 | Disc cartridge | Vurnen J. Leonard, Arthur K. Kato, Kiyoshi Ohmori, Keisuke Fujiwara | 1989-10-17 |
YS
Yutaka Soda
Sony: 1 patents #128 of 577Top 25%
Overall (1989): #39,328 of 140,708Top 30%
1
Patents 1989