Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338640 | Speed control system for a multiple speed tape recording and reproducing apparatus | Toshiomi Yabu, Tatsuo Wada, Kouichi Yamada | 1982-07-06 |
MH
Masaru Hashirano
Overall (All Time): #4,072,462 of 4,157,543Top 100%
1
Patents All Time