Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D319236 | Combined tape player and tuner | Masafumi Ito, Shigeru Hasegawa, Minoru Sube, Hiroyuki Watanabe, Keiji Tsunoda +1 more | 1991-08-20 |
| D318665 | Combined tape player and tuner | Masafumi Ito, Shigeru Hasegawa, Minoru Sube, Hiroyuki Watanabe, Keiji Tsunoda +1 more | 1991-07-30 |