Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4557380 | Magnetic tape cassette and storage case | Choji Komiyama, Kengo Oishi, Osamu Suzuki | 1985-12-10 |
YI
Yasumasa Iyota
Overall (All Time): #4,025,814 of 4,157,543Top 100%
1
Patents All Time