Issued Patents All Time
Showing 51–75 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7796483 | Method for evaluating read stability of optical disc and information reproduction apparatus | Narutoshi Fukuzawa, Tatsuhiro Kobayashi | 2010-09-14 |
| 7791999 | Writing condition optimizing method and apparatus, and optical recording medium | Jae-cheol Bae, In-oh Hwang, Kyung-geun Lee, Hui Zhao, Narutoshi Fukuzawa +1 more | 2010-09-07 |
| 7787334 | Optical recording method on multilayer optical recording medium, optical recording apparatus, and multilayer optical recording medium | Koji Mishima, Tsutomu Aoyama, Hidetake Itoh | 2010-08-31 |
| 7733762 | Super-resolution optical recording medium and method for recording information on super-resolution optical recording medium | Narutoshi Fukuzawa, Tatsuhiro Kobayashi | 2010-06-08 |
| 7719944 | Method and apparatus for recording information on optical recording medium with compensation for thermal effects in ultra-high-density optical recording and reproducing system | Narutoshi Fukuzawa, Tatsuhiro Kobayashi | 2010-05-18 |
| 7701838 | Optical information medium including an information bearing surface and a functional layer, and reading method | Hajime Utsunomiya, Hiroshi Shingai, Tatsuya Kato | 2010-04-20 |
| 7697407 | Multilayer optical recording medium and method for recording information in multilayer optical recording medium | Koji Mishima, Hidetake Itoh, Daisuke Yoshitoku | 2010-04-13 |
| 7646687 | Method for determining recording laser power for super-resolution optical recording medium and apparatus for recording information on super-resolution optical recording medium | Tatsuhiro Kobayashi, Narutoshi Fukuzawa | 2010-01-12 |
| 7573803 | Optical recording disc | Narutoshi Fukuzawa, Tatsuhiro Kobayashi | 2009-08-11 |
| 7554894 | Data recording and readingout system | Narutoshi Fukuzawa, Tatsuhiro Kobayashi, Toshiki Aoi, Hajime Utsunomiya | 2009-06-30 |
| 7496019 | Information readout method for non mask layer type optical information medium | Tatsuya Kato, Hajime Utsunomiya, Hiroshi Shingai | 2009-02-24 |
| 7457215 | Method for reproducing data and an apparatus for recording and reproducing data | Masashi Kuwahara, Takayuki Shima, Junji Tominaga, Narutoshi Fukuzawa, Tatsuhiro Kobayashi | 2008-11-25 |
| 7440370 | Method for determining a reproducing power of a laser beam and an apparatus for recording and reproducing data | Masashi Kuwahara, Takayuki Shima, Junji Tominaga, Narutoshi Fukuzawa, Tatsuhiro Kobayashi | 2008-10-21 |
| 7394744 | Reproduction apparatus and information recording medium testing apparatus | Narutoshi Fukuzawa, Tatsuhiro Kobayashi | 2008-07-01 |
| 7132148 | Optical recording disk | Narutoshi Fukuzawa, Tatsuhiro Kobayashi | 2006-11-07 |
| 7016290 | Readout method and apparatus for optical information medium | Takashi Nakano, Hisako Fukuda, Junji Tominaga, Nobufumi Atoda | 2006-03-21 |
| 6965556 | Optical information medium having high resolution beyond a diffraction limit and reading method | Hajime Utsunomiya, Hiroshi Shingai, Tatsuya Kato | 2005-11-15 |
| 6901036 | Method and apparatus for reproducing an optical signal | Junji Tominaga, Takashi Nakano, Nobufumi Atoda, Akira Sato, Manami Kuiseko | 2005-05-31 |
| 6707549 | Molecular sensor and raman spectroscopy process | Junji Tominaga, Masashi Kuwahara, Christophe Daniel Mihalcea, Dorothea Buechel, Hiroshi Fuji | 2004-03-16 |
| 6515952 | Optical recording method | Hajime Utsunomiya | 2003-02-04 |
| 6465070 | Optical recording medium | Hajime Utsunomiya | 2002-10-15 |
| 6461710 | Optical recording medium | Hajime Utsunomiya | 2002-10-08 |
| 6449240 | System, method and information medium for storing and reading information as a difference in a surface potential or a surface charge density | Hajime Utsunomiya, Takuya Tsukagoshi | 2002-09-10 |
| 6438085 | Optical recording method | Tatsuya Kato, Isamu Kuribayashi, Hajime Utsunomiya | 2002-08-20 |
| 6430128 | Method for reading optical information medium and optical information medium | Tatsuya Kato, Hajime Utsunomiya, Hiroshi Shingai | 2002-08-06 |