Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5280862 | Tape cassette and leader-trailer tape therefor | Kimitaka Nakamura | 1994-01-25 |
| 5221404 | Automatic tape cassette vending machine | Sadao Iwaya | 1993-06-22 |
KO
Kinichiro Oya
Overall (All Time): #2,291,640 of 4,157,543Top 60%
2
Patents All Time