Issued Patents All Time
Showing 51–75 of 104 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7057994 | Apparatus and method for reproducing information from two types of optical disks having discrimination marks formed along tracks thereof | Ken'ichi Kasazumi | 2006-06-06 |
| 7038993 | Optical disc medium having a plurality of sector groups, a recording method thereof and recorder | Junichi Minamino, Yoshiharu Kobayashi, Atsushi Nakamura, Takashi Ishida | 2006-05-02 |
| 7035189 | Optical disc and optical disc address reading apparatus and method | Shigeru Furumiya | 2006-04-25 |
| RE39067 | Apparatus and method for optical disk reproduction | Takashi Kishimoto, Takuya Asano | 2006-04-18 |
| 7027374 | Optical disk having wobble patterns representing control information | Junichi Minamino, Atsushi Nakamura, Shigeru Furumiya, Takashi Ishida, Toyoji Gushima | 2006-04-11 |
| 7020385 | Method for information recording and apparatus therefor | — | 2006-03-28 |
| 7010006 | Light source apparatus and its control method | Ken'ichi Kasazumi, Yasuo Kitaoka, Tosifumi Yokoyama, Kiminori Mizuuchi, Kazuhisa Yamamoto +2 more | 2006-03-07 |
| 6999404 | Optical disc and optical disc address reading apparatus and method | Shigeru Furumiya | 2006-02-14 |
| 6996053 | Optical recording medium, optical reproduction apparatus, and optical reproduction method | Atsushi Nakamura, Mamoru Shoji, Takashi Ishida, Junichi Minamino, Yoshiharu Kobayashi +1 more | 2006-02-07 |
| 6967911 | Multivalued information recording method, multivalued information recording apparatus, and recording medium | Kenichi Nishiuchi, Takeo Ohta | 2005-11-22 |
| 6922384 | Information reproducing apparatus | Harumitsu Miyashita, Junichi Minamino, Shigeru Furumiya, Masahito Nakao | 2005-07-26 |
| 6898175 | Optical disc having positive marks and negative marks in a sector block | Shigeru Furumiya, Takashi Ishida, Yoshiharu Kobayashi | 2005-05-24 |
| 6870802 | Information reproduction apparatus with selective CLV and CAV control | Naohiro Kimura, Katsuya Watanabe | 2005-03-22 |
| 6850478 | Optical disk medium and optical disk indentification method and optical disk device | Shigeru Furumiya | 2005-02-01 |
| 6829208 | Optical disk reproducing method and reproducing device | Shigeru Furumiya, Ryutaro Futakuchi | 2004-12-07 |
| 6804190 | High density phase-change type optical disk having a data efficiency of more than 80 percent | Takashi Ishida, Mamoru Shoji, Atsushi Nakamura, Junichi Minamino, Shigeru Furumiya | 2004-10-12 |
| 6757239 | Optical disk having wobble patterns and block identification marks | Junichi Minamino, Atsushi Nakamura, Shigeru Furumiya, Takashi Ishida, Toyoji Gushima | 2004-06-29 |
| 6738342 | Optical disc and optical disc address reading apparatus and method | Shigeru Furumiya, Takashi Ishida, Yoshiharu Kobayashi | 2004-05-18 |
| 6738326 | Apparatus and method for reproducing information from two types of optical disks having discrimination marks formed along tracks thereof | Ken'ichi Kasazumi | 2004-05-18 |
| 6735160 | Optical disc, and recording apparatus, recording method, and reproducing apparatus for the same | Harumitsu Miyashita, Shinichi Tanaka, Takashi Yumiba | 2004-05-11 |
| 6724708 | Optical disk medium and method and apparatus for reading information | Shigeru Furumiya, Atsushi Nakamura, Junichi Minamino, Takashi Ishida | 2004-04-20 |
| 6674700 | Optical disk having sub-blocks and sub-block indentification marks | Junichi Minamino, Atsushi Nakamura, Shigeru Furumiya, Takashi Ishida, Toyoji Gushima | 2004-01-06 |
| 6665250 | Optical disc playback and playback method | Junichi Minamino, Shigeru Furumiya | 2003-12-16 |
| 6661769 | Optical storage medium, a tilt detection apparatus, and a data recording and reproducing apparatus | Shin-ichi Kadowaki, Kousei Sano, Shigeru Furumiya | 2003-12-09 |
| 6611480 | Optical disk drive apparatus | Takeharu Yamamoto | 2003-08-26 |