Issued Patents All Time
Showing 25 most recent of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8202597 | Multilayer optical recording medium, method and apparatus for manufacturing the multilayer optical recording medium | Katsuhiko Meguro, Toshiyuki Kitahara | 2012-06-19 |
| 7384723 | Optical information recording medium | Takeshi Kakuta, Takako Ozawa | 2008-06-10 |
| 7341820 | Optical information recording medium | Takeshi Kakuta, Shinji Saito | 2008-03-11 |
| 7129019 | Optical information recording medium | Takeshi Kakuta, Shinji Saito, Takako Ozawa, Hiroaki Doushita | 2006-10-31 |
| 7103897 | Optical information recording medium | Takeshi Kakuta | 2006-09-05 |
| 7051348 | Optical information recording medium including a substrate, a recording layer, a layer of acrylic adhesive, and a cover layer | Shinji Saito, Takeshi Kakuta | 2006-05-23 |
| 6989069 | Method for producing an optical information recording medium | Takeshi Kakuta, Takako Ozawa, Akira Mizuta | 2006-01-24 |
| 6967048 | Optical recording medium | Shinji Saito, Takeshi Kakuta | 2005-11-22 |
| 6924018 | Optical information recording medium | Takako Ozawa, Takeshi Kakuta | 2005-08-02 |
| 6869656 | Optical information recording medium | Takeshi Kakuta, Shinji Saito | 2005-03-22 |
| 6849316 | Information recording medium | Koji Wariishi, Shinnichi Morishima | 2005-02-01 |
| 6815030 | Optical information recording medium | Takeshi Kakuta, Shinichi Kato | 2004-11-09 |
| 6808782 | Optical information recording medium | Yoshihisa Usami | 2004-10-26 |
| 6800347 | Optical information recording medium | Naoki Saito | 2004-10-05 |
| 6699591 | Optical information recording medium | Takeshi Kakuta | 2004-03-02 |
| 6670475 | Information recording medium | Koji Wariishi, Shinnichi Morishima | 2003-12-30 |
| 6661770 | Optical information recording medium | Takeshi Kakuta, Shinji Saito | 2003-12-09 |
| 6461711 | Optical information recording medium | Kazuaki Taga, Yoshihisa Usami | 2002-10-08 |
| 6341122 | Optical information recording medium | Yoshihisa Usami, Michihiro Shibata, Noboru Komori, Takashi Morohashi | 2002-01-22 |
| 6203876 | Information recording medium | Shinnichi Morishima, Koji Wariishi, Michihiro Shibata | 2001-03-20 |
| 6045901 | Magnetic recording medium | Hiroshi Hashimoto, Yuichiro Murayama | 2000-04-04 |
| 5998094 | Optical information recording medium | Michihiro Shibata, Koji Wariishi, Shinichi Morishima | 1999-12-07 |
| 5879772 | Information recording medium | Shinnichi Morishima, Koji Wariishi, Michihiro Shibata | 1999-03-09 |
| 5869186 | Magnetic recording medium | Kazuyuki Usuki, Kunihiko Sano | 1999-02-09 |
| 5707742 | Magnetic recording medium comprising a ferromagnetic metal thin film, protective layer, and an alkylamine perfluoropolyether lubricant | Kazuyuki Usuki, Kunihiko Sano | 1998-01-13 |