Issued Patents All Time
Showing 76–100 of 130 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6788635 | Optical recording medium, optical recording method, optical reproducing method, optical recording device, optical reproducing device, and optical recording/reproducing device | Katsuhisa Aratani, Seiji Kobayashi | 2004-09-07 |
| 6737660 | Electron beam irradiation apparatus and electron beam irradiating method | Yoshihisa Miura, Yuichi Aki, Hiroshi Kawase, Naoki Date, Setsuo Norioka +2 more | 2004-05-18 |
| 6738323 | Optical disc apparatus and focusing control method in an optical disc apparatus | Shingo Imanishi | 2004-05-18 |
| 6700845 | Multi-layer optical recording medium and method and apparatus for reproducing optical data | Yoichiro Sako, Takao Ihashi, Tatsuya Inokuchi, Hiroshi Ogawa | 2004-03-02 |
| 6650615 | Optical recording medium and recording and/or reproducing method and apparatus employing the optical recording medium | Akio Yasuda, Yuichi Sabi | 2003-11-18 |
| 6572947 | Optical recording medium | Yuichi Sabi, Hidetoshi Watanabe | 2003-06-03 |
| 6564009 | Apparatus for recording and/or reproducing data onto and/or from an optical disk and method thereof | Hideo Owa, Shoei Kobayashi, Susumu Sensyu, Shinji Katsuramoto, Toshio Watanabe +2 more | 2003-05-13 |
| 6483792 | Optical disk, optical disk recording apparatus and method, and optical disk playback apparatus and method | Seiji Kobayashi | 2002-11-19 |
| 6466538 | Optical recording medium having disconnected land and groove forming control portion | Shingo Imanishi, Toshiyuki Kashiwagi | 2002-10-15 |
| 6442110 | BEAM IRRADIATION APPARATUS, OPTICAL APPARATUS HAVING BEAM IRRADIATION APPARATUS FOR INFORMATION RECORDING MEDIUM, METHOD FOR MANUFACTURING ORIGINAL DISK FOR INFORMATION RECORDING MEDIUM, AND METHOD FOR MANUFACTURING INFORMATION RECORDING MEDIUM | Toshiyuki Kashiwagi, Shingo Imanishi | 2002-08-27 |
| 6438074 | Optical recording medium manufacturing master recording apparatus | Yuichi Aki, Takao Kondo | 2002-08-20 |
| 6414935 | Recording medium master production method and recording medium | Shin Masuhara | 2002-07-02 |
| 6335775 | Liquid crystal device having liquid crystal orientation layers including repetitive asymmetrical projects along a plurality of grooves | Takashi Iwamura, Nobuhiro Kihara, Takeshi Yamasaki, Katsuya Shirai, Keiichi Nito +1 more | 2002-01-01 |
| 6246425 | Optical scanning device and image-forming apparatus | Ayumu Oda, Toshio Yamanaka, Norio Tomita, Nobuo Manabe | 2001-06-12 |
| 6209864 | Sheet post-processing apparatus | Tadasu Taniguchi, Masaru Tsuji, Junya Masuda, Takahiro Fukunaga, Koji Wakamoto +1 more | 2001-04-03 |
| 6201783 | Optical recording medium having substrate of dual transparent layers | Nobuyuki Arakawa, Toshiyuki Kashiwagi, Yuji Akiyama | 2001-03-13 |
| 6136402 | Optical recording medium having disconnected lands and grooves forming control signal portion | Shingo Imanishi, Toshiyuki Kashiwagi | 2000-10-24 |
| 6118756 | Recording medium master production method and recording medium | Shin Masuhara | 2000-09-12 |
| 6078552 | Optical information recording device, optical playback device and optical information recording medium | Seiji Kobayashi, Koji Fujimiya | 2000-06-20 |
| 5999513 | Optical disc substrate having relatively thicker central supporting portion and relatively thinner recording portion | Nobuyuki Arakawa | 1999-12-07 |
| 5963218 | Video game with switchable collision graphics | Yuji Naka | 1999-10-05 |
| 5957230 | Cooling system for snowmobile engine | Tomoki Harano, Toyochika Eto | 1999-09-28 |
| 5949746 | Method for reproducing information recorded on an optical recording medium having a pre-formed recording track which is offset along its width to record frame sync signals of the information recorded on the medium | Tamotsu Yamagami, Yoichiro Sako | 1999-09-07 |
| 5949184 | Light-emitting device and method of manufacturing the same | Toshio Ohoshi, Tadashi Kiyomiya | 1999-09-07 |
| 5587901 | Optical recording medium having a pre-formed recording track which is offset along its width to record frame sync signals of information | Tamotsu Yamagami, Yoichiro Sako | 1996-12-24 |