Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4486320 | Tape guide for magnetic recording tape cassettes and magnetic recording tape cassettes containing same | Kiyoshi Sakurai, Yoshihiro Abe | 1984-12-04 |
AI
Akira Ishi
Overall (All Time): #4,045,239 of 4,157,543Top 100%
1
Patents All Time