Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39952 | Laser power controller and optical disk device | Chikashi Inokuchi, Shigeru Furumiya, Yoshiyuki Miyabata, Atsushi Miyazaki, Toshiya Akagi | 2007-12-25 |
| 7239586 | Optical disk device and recording power determining method | Mamoru Shoji, Toshiya Akagi, Atsushi Nakamura, Ariaki Ito, Yukihiro Yamasaki +3 more | 2007-07-03 |
| 7123574 | Recording medium, method and apparatus for recording, and method and apparatus for reproducing | Mamoru Shoji, Atsushi Nakamura, Takashi Ishida | 2006-10-17 |
| RE39306 | Optical disc device | Shinichi Konishi, Takeshi Nakajima, Harumitsu Miyashita, Toshihiko Takahashi, Toshiya Akagi +1 more | 2006-09-26 |
| 6973020 | Recording medium, method and apparatus for reproducing, and method and apparatus for recording | Mamoru Shoji, Atsushi Nakamura, Takashi Ishida | 2005-12-06 |
| 6621779 | Laser power controller and optical disk device | Chikashi Inokuchi, Shigeru Furumiya, Yoshiyuki Miyabata, Atsushi Miyazaki, Toshiya Akagi | 2003-09-16 |
| 6434098 | Optical disc device | Shinichi Konishi, Takeshi Nakajima, Harumitsu Miyashita, Toshihiko Takahashi, Toshiya Akagi +1 more | 2002-08-13 |
| 6236629 | Optical disk device | Toshiya Akagi, Yukihiro Yamasaki | 2001-05-22 |
| 6205095 | Optical disk device | Chikashi Inokuchi, Yukihiro Yamasaki | 2001-03-20 |
| 6195320 | Optical disk signal processing method and optical disk device | Shigeru Furumiya | 2001-02-27 |
| 6172952 | Optical disk device with abnormal jump detection | Chikashi Inokuchi, Yukihiro Yamasaki, Jun'ichi Minamino, Shigeru Furumiya | 2001-01-09 |
| 6044051 | Optical information recording/reproducing device and method for recording, reproducing and erasing information on an optical information recording medium utilizing light beam radiation | Naoyasu Miyagawa, Mamoru Shoji, Takashi Ishida, Shigeru Furumiya | 2000-03-28 |
| 5930225 | Two-layer optical disk | Takashi Ishida, Mamoru Shoji, Shunji Ohara, Shinichi Konishi, Yoshito Aoki +2 more | 1999-07-27 |
| 5872767 | Optical disk and an optical disk recording/reproduction device having address blocks located on boundary lines between adjoining tracks | Takahiro Nagai, Isao Satoh, Yuji Takagi, Yoshito Aoki, Shunji Ohara +1 more | 1999-02-16 |
| 5862112 | Optical disk and an optical disk recording reproduction device | Takahiro Nagai, Isao Satoh, Yuji Takagi, Yoshito Aoki, Shunji Ohara +1 more | 1999-01-19 |
| 5831951 | Method and apparatus for controlling a slice signal in the reproduction information recorded in an optical disk | Yuichi Kamioka, Shigeru Furumiya | 1998-11-03 |
| 5729525 | Two-layer optical disk | Takashi Ishida, Mamoru Shoji, Shunji Ohara, Shinichi Konishi, Yoshito Aoki +2 more | 1998-03-17 |
| 5517484 | Optical disk and optical disk recording and reproducing apparatus | Yuji Takagi, Isao Satoh, Motoshi Ito | 1996-05-14 |
| 5469418 | Optical information write/read device and method for writing data | Isao Satoh, Yuji Takagi | 1995-11-21 |
| 5457794 | Information retrieval apparatus for searching target literature data from an information recording medium, including reuse of past retrieving results | Yasushi Azumatani, Isao Satoh, Yoshihisa Fukushima, Yuji Takagi, Hiroshi Hamasaka | 1995-10-10 |
| 5406534 | Double-sided recordable optical disk suitable for a substituting process and a method for performing defect management | Isao Satoh, Yuji Takagi, Motoshi Ito | 1995-04-11 |