Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650827 | Information reproducing apparatus | Takahiko Ogikubo, Masato Hiratsuka, Fumitsugu Ohtake, Hirohide Kobori | 2003-11-18 |
| 5257253 | Laser vision disc with digital sound (LDD) disc player for reproducing analog audio signals mixed with digital audio signals | Hiroshi Otsubo, Seiji Ohmori, Tasuku Tsuruga, Eisaku Kawano, Tetsuo Shimizu | 1993-10-26 |
| 5177728 | Disc player for playing different types of discs which automatically identifies the type of a currently loaded disc | Hiroshi Otsubo, Seiji Ohmori, Tasuku Tsuruga, Eisaku Kawano | 1993-01-05 |
| 5033036 | Reproducing apparatus including means for gradually varying a mixing ratio of first and second channel signal in accordance with a voice signal | Seiji Ohmori, Eisaku Kawano, Tasuku Tsuruga, Hiroshi Ohtsubo | 1991-07-16 |