Issued Patents All Time
Showing 1–25 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9978421 | Optical disk device and large-scale optical disk device | Kohei Nakata, Yoshihisa Takahashi | 2018-05-22 |
| 9959901 | Inspection method for optical disc | Harumitsu Miyashita, Yasumori Hino, Tsutomu Kai | 2018-05-01 |
| 9741383 | Optical disk recording method, optical disk apparatus, and optical disk medium | Kohei Nakata, Yasumori Hino, Harumitsu Miyashita, Yoshihisa Takahashi | 2017-08-22 |
| 9680526 | Phase error detector and optical disc device | Kohei Nakata | 2017-06-13 |
| 9495994 | Optical disc capable of recording address information with the same modulation on sides of adjacent grooves | Harumitsu Miyashita, Kohei Nakata | 2016-11-15 |
| 9495999 | Phase error detector and optical disc device | Kohei Nakata | 2016-11-15 |
| 9454985 | Optical disc medium and optical disc device | Harumitsu Miyashita, Kohei Nakata | 2016-09-27 |
| 9401172 | Optical disc medium and optical disc device | Harumitsu Miyashita, Kohei Nakata | 2016-07-26 |
| 8270268 | Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus | Toyoji Gushima, Shigeru Furumiya, Takashi Ishida, Hiromichi Ishibashi, Hironori Deguchi +3 more | 2012-09-18 |
| 8072852 | Optical disc device | Katsuya Watanabe, Akira Yoshikawa | 2011-12-06 |
| 8050172 | Optical disc on which information is written on a block-by-block basis | Atsushi Nakamura, Shigeru Furumiya, Hiromichi Ishibashi, Takashi Ishida, Toyoji Gushima | 2011-11-01 |
| 7986597 | PLL control device and reproduction apparatus with linking portion control | Toyoji Gushima, Shigeru Furumiya, Takashi Ishida, Hiromichi Ishibashi, Hironori Deguchi +3 more | 2011-07-26 |
| 7936653 | Information processing device, access device, recording medium, information processing method, and information processing program | Harumitsu Miyashita, Takeshi Nakajima | 2011-05-03 |
| 7933170 | Optical disk medium and method and apparatus for reading information | Hiromichi Ishibashi, Shigeru Furumiya, Atsushi Nakamura, Takashi Ishida | 2011-04-26 |
| 7924673 | Information processing device, access device, recording medium, information processing method, and information processing program | Harumitsu Miyashita, Takeshi Nakajima | 2011-04-12 |
| 7864638 | Optical disk apparatus | Katsuya Watanabe, Akira Yoshikawa, Shin-ichi Yamada | 2011-01-04 |
| 7848198 | Information processing device, access device, recording medium, information processing method, and information processing program | Harumitsu Miyashita, Takeshi Nakajima | 2010-12-07 |
| 7848216 | Optical disc and physical address format | Atsushi Nakamura, Shigeru Furumiya, Mamoru Shoji, Takashi Ishida, Hiromichi Ishibashi | 2010-12-07 |
| 7826314 | Optical disk having wobble patterns representing control information | Atsushi Nakamura, Shigeru Furumiya, Hiromichi Ishibashi, Takashi Ishida, Toyoji Gushima | 2010-11-02 |
| 7782743 | High density phase-change type optical disk having a data efficiency of more than 80 percent | Takashi Ishida, Hiromichi Ishibashi, Mamoru Shoji, Atsushi Nakamura, Shigeru Furumiya | 2010-08-24 |
| 7768893 | Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus | Toyoji Gushima, Shigeru Furumiya, Takashi Ishida, Hiromichi Ishibashi, Hironori Deguchi +3 more | 2010-08-03 |
| 7697406 | High density phase-change type optical disk having a data efficiency of more than 80 percent | Takashi Ishida, Hiromichi Ishibashi, Mamoru Shoji, Atsushi Nakamura, Shigeru Furumiya | 2010-04-13 |
| 7660209 | Optical disk drive | Katsuya Watanabe, Hiroshige Ishibashi, Takeshi Shimamoto | 2010-02-09 |
| 7596076 | Optical disc and physical address format | Atsushi Nakamura, Shigeru Furumiya, Mamoru Shoji, Takashi Ishida, Hiromichi Ishibashi | 2009-09-29 |
| 7593313 | Optical disc and physical address format | Atsushi Nakamura, Shigeru Furumiya, Mamoru Shoji, Takashi Ishida, Hiromichi Ishibashi | 2009-09-22 |