Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819109 | Slidable carriage mount for disc memory apparatus | Tetsu Yamamoto, Takashi Yumura | 1989-04-04 |
SO
Sadao Okada
Overall (1989): #59,113 of 140,708Top 45%
1
Patents 1989