Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6563774 | Drive apparatus for optical recording medium capable of reducing resonance | Toshiyuki Suzuki, Takeshi Matsumoto, Takehiro Takada, Hiroshi Kitagawa, Kazunori Saitoh +1 more | 2003-05-13 |
| 6192011 | Gain controlling apparatus and method, information reproducing apparatus and method, and information recording apparatus and method | Toshiyuki Suzuki, Takeshi Matsumoto, Hiroshi Kitagawa, Takehiro Takada, Kazunori Saitoh | 2001-02-20 |
| 5926445 | Waveform controlling device for a tracking error signal | Takashi Sasaki, Alex Bradshaw, Koichiro Haraguchi, Takeshi Matsumoto, Tomoko Miyagawa +1 more | 1999-07-20 |
| 5886963 | Gain control device for servo control | Hiroyuki Abe, Yoshifumi Fujino, Koichiro Haraguchi, Kazushige Kawana, Takehiro Takada +1 more | 1999-03-23 |
| 5761164 | Gain control device for servo control | Hiroyuki Abe, Yoshifumi Fujino, Koichiro Haraguchi, Kazushige Kawana, Takehiro Takada +1 more | 1998-06-02 |
| 5757748 | Automatic gain control apparatus for optical disc player | Yoshifumi Fujino, Yoshimichi Nishio, Takeshi Matsumoto, Mayumi Takahashi, Koichiro Haraguchi | 1998-05-26 |
| 5600615 | Device and method for automatically controlling a servo loop gain | Yoshifumi Fujino, Alex Bradshaw, Takashi Sasaki, Koichiro Haraguchi, Takeshi Matsumoto | 1997-02-04 |
| 5515351 | Method and apparatus for executing a CD playback setup operation in a CD player particularly suited to playback of partially recorded CDs | Yoshiya Nonaka, Yoshio Aoyagi, Hiroyuki Abe, Chiaki Hirano, Kiyoshi Furukawa +3 more | 1996-05-07 |
| 5508988 | Method and apparatus for reproducing information from a partially recorded recording medium | Yoshiya Nonaka, Yoshio Aoyagi, Hiroyuki Abe, Chiaki Hirano, Kiyoshi Furukawa +3 more | 1996-04-16 |
| 5471441 | CD player capable of playing back partially recorded CD | Yoshiya Nonaka, Yoshio Aoyagi, Hiroyuki Abe, Alex Bradshaw, Seiji Kato +1 more | 1995-11-28 |
| 5430698 | CD playing apparatus | Yoshiya Nonaka, Yoshio Aoyagi, Hiroyuki Abe, Alex Bradshaw, Seiji Kato +1 more | 1995-07-04 |
| 5414684 | Method and apparatus for discriminating type of disks positioned on a CD player | Yoshiya Nonaka, Yoshio Aoyagi, Hiroyuki Abe, Chiaki Hirano, Kiyoshi Furukawa +3 more | 1995-05-09 |
| 5179492 | Protection circuit for detachable operating unit used in audio device | Seiji Kato | 1993-01-12 |
| 4939712 | Multiple track and reversing address search method for use in a disk player system | Hiroyuki Abe, Kazunori Matsuo, Takayuki Iijima | 1990-07-03 |
| 4922476 | Playing method for disk player | Fumio Endo, Toshiyuki Kimura, Yoshio Aoyagi, Kazunari Nakamura | 1990-05-01 |
| 4841506 | Random playing method for disk player | Fumio Endo, Toshiyuki Kimura, Yoshio Aoyagi, Kazunari Nakamura | 1989-06-20 |