Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9346044 | Copper-based catalyst precursor, method for manufacturing same, and hydrogenation method | Tomoaki Tsuji, Keiichi Tabata, Akio Nakashima | 2016-05-24 |
| 7821908 | Optical disc, optical disc apparatus, and optical disc reproducing method | Hisashi Yamada, Masato Otsuka | 2010-10-26 |
| 7747871 | Information recording apparatus, information reproducing apparatus, and information distribution system | Toru Kambayashi, Koichiro Akiyama, Shuichi Tsujimoto, Kazuo Sumita, Hideki Hirakawa | 2010-06-29 |
| 7688702 | Optical disc and optical disc device | Masato Otsuka | 2010-03-30 |
| 7652967 | Single-sided triple layer optical disc | Masato Otsuka | 2010-01-26 |
| 7570566 | Optical disc, optical disc manufacturing method, and optical disc apparatus | Masato Otsuka, Naomasa Nakamura, Nobuhisa Yoshida, Hisashi Yamada | 2009-08-04 |
| 7477592 | Optical disc, optical disc apparatus, optical disk reproducing method, and digital work publication | Naomasa Nakamura, Nobuhisa Yoshida, Masato Otsuka | 2009-01-13 |
| 7343495 | Information recording apparatus, information reproducing apparatus, and information distribution system | Toru Kambayashi, Koichiro Akiyama, Shuichi Tsujimoto, Kazuo Sumita, Hideki Hirakawa | 2008-03-11 |
| 7190663 | Optical recording medium, information reproduction apparatus, and information recording/reproduction apparatus | Hideo Ando, Kazuo Watabe, Hiroharu Sato, Chosaku Noda | 2007-03-13 |
| 6898171 | Information recording medium with index header | Hiroshi Hasegawa | 2005-05-24 |
| 6850469 | Information recording medium with index header | Akihito Ogawa | 2005-02-01 |
| RE38643 | Optical disk having specified track pitch, and optical disk apparatus | Yoshinori Honguh | 2004-11-02 |
| 6592645 | Method for producing fine powder of metallic nickel comprised of fine spherical particles | Hideto Mizutani, Minoru Yoneda, Hiroyoshi Urasumi, Chiyo Honda, Hiroshi Nakao +6 more | 2003-07-15 |
| 6487163 | Optical disk and optical disk apparatus | Yoshinori Honguh | 2002-11-26 |
| 6477649 | Information recording apparatus, information reproducing apparatus, and information distribution system | Toru Kambayashi, Koichiro Akiyama, Shuichi Tsujimoto, Kazuo Sumita, Hideki Hirakawa | 2002-11-05 |
| 6301208 | Optical disk having radial lands and grooves, and boundary recognition marks, and optical disk apparatus for emitting a light beam to an optical disk having a plurality of error correction blocks after boundary recognition marks | Hiromichi Kobori, Kazuo Watabe | 2001-10-09 |
| 6266650 | Mail-order shopping system, and DVD and adapter both for use in the mail-order shopping system | Kimiyoshi Ban | 2001-07-24 |
| 5959963 | Optical disk and optical disk apparatus | Yoshinori Honguh | 1999-09-28 |
| 5777981 | Optical disk with sectional trapezoidal pits and optical disk apparatus | Yoshinori Honguh | 1998-07-07 |
| 5708651 | Optical disk having reduced track pitch and optical disk playback apparatus containing the same | Yoshinori Honguh | 1998-01-13 |
| 5661711 | Optical recording and reproducing apparatus | Masahiko Tanaka | 1997-08-26 |
| 5602825 | Optical disk and optical disk apparatus | Yoshinori Honguh | 1997-02-11 |
| 5592464 | Optical disk and optical disk apparatus | Yoshinori Honguh | 1997-01-07 |
| 5513164 | Optical recording and reproducing apparatus | Masahiko Tanaka | 1996-04-30 |
| 5475210 | Noise reduction system for optical record and reproduction apparatus using auto-power controlled semiconductor laser device | Toyoki Taguchi, Hisashi Yamada, Kei Shimura, Isao Hoshino, Masahiko Tanaka +4 more | 1995-12-12 |