Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7647814 | Environment difference detector | Noritake Nakaso, Shingo Akao, Kazushi Yamanaka, Dong Sim, Tetsuya Miyagishi | 2010-01-19 |
| D302553 | Magnetic tape cassette | Ryuichi Koike | 1989-08-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7647814 | Environment difference detector | Noritake Nakaso, Shingo Akao, Kazushi Yamanaka, Dong Sim, Tetsuya Miyagishi | 2010-01-19 |
| D302553 | Magnetic tape cassette | Ryuichi Koike | 1989-08-01 |