Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5963517 | Disk reproducing speed control method and a disk reproducing apparatus using the same | Tokinori Furuichi, Kazuhiro Oda, Ryuichi Koike, Hideo Suenaga | 1999-10-05 |
| 5532835 | Tracking control in apparatus for fast reproducing digital information signal from magnetic tape | Naozumi Sugimura, Takao Arai, Yasunori Ohara | 1996-07-02 |
| 5341248 | Magnetic recording/reproducing apparatus having head structure for selectively recording/reproducing either of two kinds of signals containing different amounts of information | Nobutaka Amada, Takao Arai, Takaharu Noguchi | 1994-08-23 |
| 5227928 | Magnetic recording/reproducing apparatus which maintains a constant speed relation between a linearly moving tape and a rotationally moving head | Masafumi Nakamura, Takaharu Noguchi, Shouzaburo Sakaguchi, Kenichiro Kawasaki | 1993-07-13 |
| 4748609 | Method and apparatus for composite tracking servo system with track offset correction and rotary optical disc having at least one correction mark for correcting track offset | Seiji Yonezawa, Masatoshi Ohtake, Masaru Ito, Toshiaki Tsuyoshi, Kazuo Ichino | 1988-05-31 |
| 4707816 | Method and apparatus for composite wobbled and push-pull tracking servo system | Seiji Yonezawa, Masatoshi Ohtake, Masaru Ito, Toshiaki Tsuyoshi, Kazuo Ichino | 1987-11-17 |
| 4682314 | Disc playback apparatus | Yoshimi Iso, Shigeki Inoue | 1987-07-21 |
| 4675855 | Reproducing rate control apparatus for information recording disc | Yoshimi Iso, Masafumi Nakamura | 1987-06-23 |
| 4580255 | Servo circuit for a signal reproducing apparatus | Shigeki Inoue, Takao Arai, Yukio Fukui, Takashi Takeuchi, Masafumi Nakamura +1 more | 1986-04-01 |
| 4427951 | Protective device for power amplifier | Nobutaka Amada, Shigeki Inoue | 1984-01-24 |
| 4409559 | Supply voltage controlled stereophonic amplifier system | Nobutaka Amada, Shigeki Inoue | 1983-10-11 |
| 4241456 | Remote-controlled receiver | Shigeki Inoue | 1980-12-23 |
| 4214299 | Frequency-voltage converter | Syunji Iwasaki, Isao Fukushima | 1980-07-22 |