Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8368839 | Optical adjusting member and illumination device and liquid crystal display device including the same | Yoichi Ogawa, Masataka Sato, Eiji Koyama | 2013-02-05 |
| 7927520 | Method for lighting apparatus and display apparatus | Yoichi Ogawa, Masataka Sato, Toshinari Shibasaki | 2011-04-19 |
| 7878670 | Illumination apparatus and liquid crystal display apparatus | Toshinari Shibasaki, Sukekazu Aratani, Tatsuya Sugita | 2011-02-01 |
| 7837343 | Illuminating device and display device | Toshinari Shibasaki, Hideo Homma, Masaya Adachi, Sukekazu Aratani | 2010-11-23 |
| 7670031 | Lighting device and display apparatus | Yoichi Ogawa, Masataka Sato, Eiji Koyama, Hiroyuki Tsukamoto, Toshihiro Yamanaka | 2010-03-02 |
| 7396150 | Lighting apparatus and display apparatus | Yoichi Ogawa, Masataka Sato, Toshinari Shibasaki | 2008-07-08 |
| 7352658 | Method for recording information data to a recording medium by irradiation with a light beam and application of a magnetic field | Norio Ohta, Fumiyoshi Kirino | 2008-04-01 |
| 7348077 | Magnetic recording medium and magnetic recording apparatus | Enji Fujita, Hideaki Yamanaka, Tsuyoshi Onuma, Satoshi Matsunuma, Akira Yano +1 more | 2008-03-25 |
| 7113453 | Method for recording and reproduction on a magneto-optical recording medium | Norio Ohta, Akiyoshi Ito, Katsuji Nakagawa, Kazuko Inoue | 2006-09-26 |
| 7110327 | Magneto-optical recording and reproducing method, using reproducing layer with high saturation magnetization | Hiroki Takao, Yuji Yamazaki, Susumu Imai, Hiroyuki Awano | 2006-09-19 |
| 7038873 | Magnetic recording medium having a specific relation of coercive force HC and residual magnetization MR in perpendicular direction to substrate surface | Satoshi Matsunuma, Teruaki Takeuchi, Norio Ota | 2006-05-02 |
| 7027385 | Optical disk, disk substrate, and drive | Yuuji Yamazaki, Hikaru Mizutani, Tsuyoshi Maro, Kenji Ohta, Hiroyoshi Takagi +1 more | 2006-04-11 |
| 6904002 | Magneto-optical reproducing method using a plurality of different reproducing beams | Hiroyuki Awano, Hiroki Takao, Norio Ohta, Akiyoshi Itou, Katsuji Nakagawa | 2005-06-07 |
| 6781926 | Magneto-optical head having heat sink layer | Osamu Ishizaki, Hiroyuki Awano, Reiji Tamura, Tsuyoshi Maro, Toshinori Sugiyama | 2004-08-24 |
| 6693854 | Reproducing method and reproducing apparatus for magneto-optical recording medium | Susumu Imai, Norio Ohta, Hiroyuki Awano, Masafumi Yoshihiro, Hitoshi Watanabe +1 more | 2004-02-17 |
| 6690624 | Magnetic lens, magnetic reproducing element, reproducing apparatus and reproducing method | Yoshitane Tsuburaya | 2004-02-10 |
| 6671233 | Magneto-optical recording medium and reproduction method therefor | Yoshitane Tsuburaya, Norio Ohta, Hitoshi Watanabe, Hiroki Takao | 2003-12-30 |
| 6633514 | Magneto-optical reproducing method using a plural of different reproducing beams | Hiroyuki Awano, Hiroki Takao, Norio Ohta, Akiyoshi Itou, Katsuji Nakagawa | 2003-10-14 |
| 6628574 | Reproducing method and reproducing apparatus using plural light beam powers for transferring a magnetic domain | Hitoshi Watanabe, Hiroyuki Awano, Masahumi Yoshihiro, Norio Ohta | 2003-09-30 |
| 6556516 | Reproducing method and reproducing apparatus for magneto-optical recording medium using different radiation patterns | Susumu Imai, Norio Ohta, Hiroyuki Awano, Masafumi Yoshihiro, Hitoshi Watanabe +1 more | 2003-04-29 |
| 6501729 | Cartridge for information-recording media having deformable elastic pressing member urged by projection on shutter | Hitoshi Watanabe, Yoshitane Tsuburaya, Satoru Ohnuki, Norio Ohta | 2002-12-31 |
| 6455174 | Magnetic recording medium, recording and reproducing head, and magnetic recording and reproducing method | Hiroki Takao, Yuji Yamazaki, Susumu Imai, Hiroyuki Awano | 2002-09-24 |
| 6438073 | Magnetic lens, magnetic reproducing element, reproducing apparatus and reproducing method | Yoshitane Tsuburaya | 2002-08-20 |
| 6434088 | Recording and reproducing apparatus having a magneto-optical head with an objective lens and laser-beam-permeable member | Osamu Ishizaki, Toshinori Sugiyama, Masafumi Yoshihiro, Susumu Imai | 2002-08-13 |
| 6424601 | Magneto-optical recording media having an auxiliary magnetic layer | Satoru Oonuki, Masafumi Yoshihiro, Nobuyuki Nagai, Hiroyuki Awano, Hiroshi Shirai +3 more | 2002-07-23 |