Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7146555 | Error correction method, apparatus and program product | Takashi Sasaki, Masao Yoshida, Kazunori Matsuo, Yasuhisa Okamoto | 2006-12-05 |
| 7106679 | Information reproducing apparatus and method, and error correction system | Takashi Sasaki, Masao Yoshida, Kazunori Matsuo, Yasuhisa Okamoto | 2006-09-12 |
| 7016268 | Optical reproducing system having resume function based on recording time of each program on the medium | Masao Yoshida, Takashi Sasaki, Yasuhisa Okamoto, Kazunori Matsuo | 2006-03-21 |
| 7012877 | Information reproducing apparatus and method, and drive control system | Yasuhisa Okamoto, Takashi Sasaki, Kazunori Matsuo, Masao Yoshida, Yasuhiro Shinkai +3 more | 2006-03-14 |
| 6985412 | Focus servo controller with collision avoidance and method therefor | Alex Bradshaw, Yuichi Kimikawa, Norio Matsuda | 2006-01-10 |
| 6836385 | Recording/reproducing apparatus | Yasutaka Suzuki, Kazunori Matsuo, Tomomichi Kimura | 2004-12-28 |
| 6690632 | Tilt servo apparatus and control method thereof | Takeshi Sato, Motoi Kimura, Alex Bradshaw, Norio Matsuda | 2004-02-10 |
| 6680886 | Liquid crystal tilt servo apparatus | Takeshi Sato, Hitoshi Yamazaki, Norio Matsuda, Morio Nozaki | 2004-01-20 |
| 6594212 | Reproducing device with cross-fading operation | Tomomichi Kimura, Kazunori Matsuo, Yasutaka Suzuki | 2003-07-15 |
| 6587409 | Tilt servo apparatus for optical disc recording/playing apparatus | Hitoshi Yamazaki, Norio Matsuda, Alex Bradshaw | 2003-07-01 |
| 6262964 | Disc player with objective lens arranged in a zigzag pattern | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Yoshifumi Tsukada +1 more | 2001-07-17 |
| 6256273 | Focusing control apparatus for optimally directing light onto a recording surface | Norio Matsuda, Hiroyuki Abe, Hitoshi Yamazaki, Takashi Suzuki, Yuichi Kimikawa +1 more | 2001-07-03 |
| 6246646 | Focus control apparatus for multilayer optical recording medium | Hiroyuki Abe, Takeshi Sato, Alex Bradshaw, Kazushige Kawana, Hideaki Watarihana +2 more | 2001-06-12 |
| 6151280 | Focus jump control apparatus of a player for multilayer recording disc | Takashi Suzuki, Alex Bradshaw, Motoi Kimura, Norio Matsuda, Kazushige Kawana +1 more | 2000-11-21 |
| 6147942 | Focus control apparatus for multilayer optical recording medium | Hiroyuki Abe, Takeshi Sato, Kazushige Kawana, Hideaki Watarihana, Motoi Kimura +2 more | 2000-11-14 |
| 5953308 | Disc player with alternating ascending/descending guide devices | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Yoshifumi Tsukuda +1 more | 1999-09-14 |
| 5896353 | Servo control apparatus for controlling position of device | — | 1999-04-20 |
| 5848049 | Disc player with parallel objective lenses | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Yoshifumi Tsukada +1 more | 1998-12-08 |
| 5677904 | Disc player | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Yoshifumi Tsukada +1 more | 1997-10-14 |
| 5671201 | Pulling-in circuit for PLL circuit, pulling-in method for PLL circuit, PLL circuit device and apparatus for reproducing optical disc | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Yoshifumi Tsukada +1 more | 1997-09-23 |
| 5646921 | Method and apparatus for reproducing information recorded on CLV disc type record medium | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Yoshifumi Tsukada +1 more | 1997-07-08 |
| 5619484 | Pulling-in circuit for PLL circuit, pulling-in method for PLL circuit, PLL circuit device and apparatus for reproducing optical disc | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Yoshifumi Tsukada +1 more | 1997-04-08 |