Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8009525 | Optical disc signal processing device, optical disc signal processing method, optical disc reproduction and recording device, and optical disc reproduction and recording method | Masato Asano | 2011-08-30 |
| 7885150 | Track jumping scan control device and track searching device | Shinichi Yamada, Kazuhiko Miyazaki | 2011-02-08 |
| 7826322 | Tracking error control apparatus, tracking error control circuit, optical disk apparatus and tracking error control method | Kazuhiko Miyazaki, Shinichi Yamada, Masaya Kuwahara, Hideki Shirane | 2010-11-02 |
| 7616539 | Optical disc apparatus, tracking control method, and integrated circuit | Kazuhiko Miyazaki, Hideki Shirane | 2009-11-10 |
| 7554886 | Disk access device | Kazuhiko Miyazaki, Yoshiyuki Sugahara | 2009-06-30 |
| 7307926 | Apparatus and method for tracking control | Masaya Kuwahara | 2007-12-11 |
| 7106668 | Disk drive apparatus | Takanori Okada, Shuichi Yoshida, Masaharu Imura, Kazuhiro Mihara, Tsutomu Kai +3 more | 2006-09-12 |
| 7085200 | Stepping motor controlling method and disk apparatus | Takanori Okada, Shuichi Yoshida, Masaharu Imura, Kazuhiro Mihara, Tsutomu Kai +1 more | 2006-08-01 |
| 7051346 | Disk drive apparatus having particular clamping device | Kazuhiro Mihara, Shuichi Yoshida, Teruyuki Naka, Sachio Fukuyama, Noriaki Urayama +3 more | 2006-05-23 |
| 6741544 | Disk drive apparatus | Kazuhiro Mihara, Shuichi Yoshida, Teruyuki Naka, Sachio Fukuyama, Noriaki Urayama +3 more | 2004-05-25 |
| 6711116 | Balanced disk drive apparatus | Kazuhiro Mihara, Shuichi Yoshida, Sachio Fukuyama, Noriaki Urayama, Masaaki Kikugawa | 2004-03-23 |
| 6704271 | Disk drive apparatus | Kazuhiro Mihara, Shuichi Yoshida, Sachio Fukuyama, Noriaki Urayama, Masaaki Kikugawa | 2004-03-09 |
| 6654321 | Stepping motor control method and disk drive apparatus | Takanori Okada, Shuichi Yoshida, Masaharu Imura, Kazuhiro Mihara, Tsutomu Kai +3 more | 2003-11-25 |
| 6507555 | Balanced disk drive apparatus | Kazuhiro Mihara, Shuichi Yoshida, Sachio Fukuyama, Noriaki Urayama, Masaaki Kikugawa | 2003-01-14 |
| 6434096 | Optical information recording/reproducing device | Noritaka Akagi, Tsutomu Kai, Shuichi Yoshida, Teruyuki Naka, Yasuo Kashiwagi +1 more | 2002-08-13 |
| 6249495 | Stepping motor control method and disk drive apparatus | Takanori Okada, Shuichi Yoshida, Masaharu Imura, Kazuhiro Mihara, Tsutomu Kai +3 more | 2001-06-19 |
| 5726832 | Information recording/reproducing device including a head loading/unloading mechanism having decoupling means | Tatsuhiko Inagaki, Yuji Yagi, Michiro Tanaka | 1998-03-10 |
| 5587852 | Disk head driving device using linear activator with multipolar magnets | Tsukasa Yoshiura | 1996-12-24 |
| 4794481 | Apparatus for loading and driving an information recording medium encased in a cartridge | Satoshi Suyama, Toru Arakawa, Souji Oba | 1988-12-27 |