Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4275108 | Leader or trailer tape for a magnetic tape | Satoru Takayama, Masahiro Utumi, Masaaki Fujiyama | 1981-06-23 |
NY
Nobutana Yamaguchi
Overall (All Time): #4,092,020 of 4,157,543Top 100%
1
Patents All Time