Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5982977 | Apparatus and method for synthesizing information signal and reproduction control signal and information signal recording apparatus | Tetsuya Naruse, Jun Iwasaki, Teruo Masaki, Kaname Mori | 1999-11-09 |
| 4783844 | Apparatus for transmitting and recording signals | Mitsuo Higashiyama, Masato Yamagata | 1988-11-08 |
| 4612627 | Digital signal composing circuit for cross-fade signal processing | Takehiro Sugita, Akira Sakamoto, Takeshi Fukami, Akira Shimizu | 1986-09-16 |
| 4600941 | Scrambling system for audio frequency signals | Akira Sakamoto, Toshihiko Waku, Takeshi Fukami, Masakatsu Toyoshima | 1986-07-15 |
| 4598169 | System for detecting a marker signal inserted in an information signal | Takeshi Fukami, Akira Sakamoto, Takehiro Sugita, Toshiya Miyata | 1986-07-01 |
| 4298989 | Tuning apparatus | Noboru Someno, Masakatsu Toyoshima | 1981-11-03 |
| 4238893 | Signal transmission in teaching system | Ikuo Shimizu | 1980-12-16 |