Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5222686 | Tape cassette having front lid locking member fixed to a lower half case | Kimimoto Hirose, Souji Shinozaki, Nobuaki Takahashi | 1993-06-29 |
| 5041939 | Magnetic tape cassette with leaf-shaped spring door closure mechanism | Tsutomu Hiramoto, Kimimoto Hirose, Hitoshi Okubo, Minoru Sato, Yoshitaka Yasufuku | 1991-08-20 |
| 4951167 | Magnetic tape cassette with improved front cover supporting mechanism | Tsutomu Hiramoto, Kimimoto Hirose, Hitoshi Okubo, Minoru Sato, Yoshitaka Yasufuku | 1990-08-21 |