Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330802 | Magnetic cassette tape record and play apparatus | Toshikazu Kato, Sinichi Saitou, Seizo Watanabe, Toyoo Nishiyama, Tutomu Shibata +2 more | 1982-05-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330802 | Magnetic cassette tape record and play apparatus | Toshikazu Kato, Sinichi Saitou, Seizo Watanabe, Toyoo Nishiyama, Tutomu Shibata +2 more | 1982-05-18 |