Issued Patents All Time
Showing 76–100 of 118 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6894965 | Method for recording/reproducing data on/from optical disk | Mamoru Shoji | 2005-05-17 |
| 6850478 | Optical disk medium and optical disk indentification method and optical disk device | Hiromichi Ishibashi | 2005-02-01 |
| 6829208 | Optical disk reproducing method and reproducing device | Ryutaro Futakuchi, Hiromichi Ishibashi | 2004-12-07 |
| 6804190 | High density phase-change type optical disk having a data efficiency of more than 80 percent | Takashi Ishida, Hiromichi Ishibashi, Mamoru Shoji, Atsushi Nakamura, Junichi Minamino | 2004-10-12 |
| 6791926 | Method and device for finding conditions on recording pulse of optical disk | Junichi Minamino, Mamoru Shoji | 2004-09-14 |
| 6757239 | Optical disk having wobble patterns and block identification marks | Junichi Minamino, Atsushi Nakamura, Hiromichi Ishibashi, Takashi Ishida, Toyoji Gushima | 2004-06-29 |
| 6738342 | Optical disc and optical disc address reading apparatus and method | Hiromichi Ishibashi, Takashi Ishida, Yoshiharu Kobayashi | 2004-05-18 |
| 6724708 | Optical disk medium and method and apparatus for reading information | Hiromichi Ishibashi, Atsushi Nakamura, Junichi Minamino, Takashi Ishida | 2004-04-20 |
| 6674700 | Optical disk having sub-blocks and sub-block indentification marks | Junichi Minamino, Atsushi Nakamura, Hiromichi Ishibashi, Takashi Ishida, Toyoji Gushima | 2004-01-06 |
| 6665250 | Optical disc playback and playback method | Junichi Minamino, Hiromichi Ishibashi | 2003-12-16 |
| 6661769 | Optical storage medium, a tilt detection apparatus, and a data recording and reproducing apparatus | Shin-ichi Kadowaki, Kousei Sano, Hiromichi Ishibashi | 2003-12-09 |
| 6642952 | Laser drive method and laser drive system | Hisashi Senga | 2003-11-04 |
| 6621779 | Laser power controller and optical disk device | Chikashi Inokuchi, Yoshiyuki Miyabata, Yuji Hisakado, Atsushi Miyazaki, Toshiya Akagi | 2003-09-16 |
| 6608810 | Optical disk comprising a positional information section and a sync mark section each having a wobble pattern | Junichi Minamino, Atsushi Nakamura, Hiromichi Ishibashi, Takashi Ishida, Toyoji Gushima | 2003-08-19 |
| 6577590 | Optical disk having wobble patterns | Junichi Minamino, Atsushi Nakamura, Hiromichi Ishibashi, Takashi Ishida, Toyoji Gushima | 2003-06-10 |
| 6510116 | Optical information recording/reproducing method and optical information recording/reproducing apparatus | Naoyasu Miyagawa, Takashi Ishida, Junichi Minamino, Kenji Koishi | 2003-01-21 |
| 6469980 | Optical disk and a recording/reproduction apparatus using multiple address block groups shifted oppositely with multiple address blocks and non-pit data | Yoshinari Takemura, Takashi Ishida, Yoshito Aoki, Shunji Ohara, Yuichi Kamioka +1 more | 2002-10-22 |
| 6456585 | Optical disk and a recording/reproduction apparatus using multiple address block groups shifted oppositely with multiple address blocks having clock synchronization, address number and address ID | Yoshinari Takemura, Takashi Ishida, Yoshito Aoki, Shunji Ohara, Yuichi Kamioka +1 more | 2002-09-24 |
| 6438096 | Optical disk and a recording/reproduction apparatus using multiple address block groups shifted oppositely with multiple address blocks and clock synchronization | Yoshinari Takemura, Takashi Ishida, Yoshito Aoki, Shunji Ohara, Yuichi Kamioka +1 more | 2002-08-20 |
| 6396778 | Optical disk and a recording/reproduction apparatus thereof | Yoshinari Takemura, Takashi Ishida, Yoshito Aoki, Shunji Ohara, Yuichi Kamioka +1 more | 2002-05-28 |
| 6195320 | Optical disk signal processing method and optical disk device | Yuji Hisakado | 2001-02-27 |
| 6172960 | Optical disk and recording/reproducing apparatus using multiple address block groups shifted oppositely with multiple address blocks | Yoshinari Takemura, Takashi Ishida, Yoshito Aoki, Shunji Ohara, Yuichi Kamioka +1 more | 2001-01-09 |
| 6172952 | Optical disk device with abnormal jump detection | Chikashi Inokuchi, Yukihiro Yamasaki, Yuji Hisakado, Jun'ichi Minamino | 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, Yuji Hisakado | 2000-03-28 |
| 5850378 | Method and apparatus for recording data on an optical disk and or groove | Jun-ichi Ninamino, Kenji Koishi, Yuichi Kamioka | 1998-12-15 |