Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8270268 | Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus | Toyoji Gushima, Shigeru Furumiya, Takashi Ishida, Hiromichi Ishibashi, Atsushi Nakamura +3 more | 2012-09-18 |
| 7986597 | PLL control device and reproduction apparatus with linking portion control | Toyoji Gushima, Shigeru Furumiya, Takashi Ishida, Hiromichi Ishibashi, Atsushi Nakamura +3 more | 2011-07-26 |
| 7817522 | Recording clock generation apparatus | Kiyotaka Tanaka | 2010-10-19 |
| 7778143 | Optical disk and optical disk apparatus | Seiji Nishiwaki, Hiroyuki Yamaguchi | 2010-08-17 |
| 7768893 | Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus | Toyoji Gushima, Shigeru Furumiya, Takashi Ishida, Hiromichi Ishibashi, Atsushi Nakamura +3 more | 2010-08-03 |
| 7539097 | Optical disk device | Youichi Ogura, Toshihiko Takahashi, Teruhiko Izumi, Shinichi Konishi, Takamasa Sakai | 2009-05-26 |
| 7518970 | Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus | Toyoji Gushima, Shigeru Furumiya, Takashi Ishida, Hiromichi Ishibashi, Atsushi Nakamura +3 more | 2009-04-14 |
| 7518971 | Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus | Toyoji Gushima, Shigeru Furumiya, Takashi Ishida, Hiromichi Ishibashi, Atsushi Nakamura +3 more | 2009-04-14 |
| 7414946 | Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus | Toyoji Gushima, Shigeru Furumiya, Takashi Ishida, Hiromichi Ishibashi, Atsushi Nakamura +3 more | 2008-08-19 |
| 7403462 | Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus | Toyoji Gushima, Shigeru Furumiya, Takashi Ishida, Hiromichi Ishibashi, Atsushi Nakamura +3 more | 2008-07-22 |
| 7385903 | Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus | Toyoji Gushima, Shigeru Furumiya, Takashi Ishida, Hiromichi Ishibashi, Atsushi Nakamura +3 more | 2008-06-10 |
| 7319645 | Recording apparatus and recording method for recording data to a rewritable recording medium, and rewritable recording medium | Junichi Minamino, Toshiya Akagi | 2008-01-15 |
| 7317408 | Digital modulation apparatus and digital modulation method | Hiroyuki Yabuno | 2008-01-08 |
| 7158464 | Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus | Toyoji Gushima, Shigeru Furumiya, Takashi Ishida, Hiromichi Ishibashi, Atsushi Nakamura +3 more | 2007-01-02 |
| 7012865 | Recording apparatus and recording method | Makoto Usui, Kohei Nakata | 2006-03-14 |
| 6856586 | Recording clock generating device and method thereof | Makoto Usui, Takahiro Ochi, Yasuhiro Ueki, Mitsuhiko Ohta, Yutaka Osada | 2005-02-15 |
| 6545963 | Data recording medium with a region for recording data, the region having a data recording area and a postamble area | Takashi Ishida, Naoya Matsuoka | 2003-04-08 |
| 6317397 | Data recording medium, data recording apparatus, data reproducing apparatus and method | Takashi Ishida, Naoya Matsuoka | 2001-11-13 |
| 6236631 | Frame number detection for signals produced from optical disk | Makoto Usui | 2001-05-22 |
| 6160779 | Information recording and reproducing device and method | Makoto Usui | 2000-12-12 |
| 5930225 | Two-layer optical disk | Takashi Ishida, Mamoru Shoji, Shunji Ohara, Shinichi Konishi, Yoshito Aoki +2 more | 1999-07-27 |
| 5850382 | Optical disk having a rewritable area and a read-only area | Kenji Koishi, Shunji Ohara, Takashi Ishida, Isao Satoh, Yoshinari Takemura +2 more | 1998-12-15 |
| 5729525 | Two-layer optical disk | Takashi Ishida, Mamoru Shoji, Shunji Ohara, Shinichi Konishi, Yoshito Aoki +2 more | 1998-03-17 |
| 5701310 | Data detection apparatus | Toshiyuki Shimada | 1997-12-23 |