Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7645499 | Optical information recording medium and manufacturing method thereof | Haruhiko Habuta, Yoshitaka Sakaue, Hideo Kusada | 2010-01-12 |
| 7540006 | Optical information recording medium and manufacture method thereof | Kenichi Nishiuchi, Hideki Kitaura, Hideo Kusada, Noboru Yamada, Shinya Abe | 2009-05-26 |
| 7423957 | Optical information recording medium and method of manufacturing thereof, manufacturing apparatus, recording/reproducing method, and recording/reproducing apparatus | Hideo Kusada, Hideki Kitaura, Kenichi Nishiuchi, Noboru Yamada, Rie Kojima | 2008-09-09 |
| 7376070 | Optical information recording medium and method for manufacturing the medium | Yoshitaka Sakaue, Kenichi Nishiuchi | 2008-05-20 |
| 7169455 | Optical information recording medium and method for manufacturing the same | Haruhiko Habuta, Noboru Yamada, Takashi Nishihara | 2007-01-30 |
| 7169533 | Optical information recording medium, method for manufacturing the same and recording/reproduction method | Yoshitaka Sakaue | 2007-01-30 |
| 7154841 | Optical information recording medium | Yoshitaka Sakaue | 2006-12-26 |
| 7136349 | Multi-layer optical information recording medium with pits or grooves | Kenichi Nishiuchi, Nobuo Akahira | 2006-11-14 |
| 7116631 | Optical information recording medium manfacturing method therefor, manufacturing apparatus therefor, and optical information recording and reproducing apparatus | Kenichi Nishiuchi, Nobuo Akahira | 2006-10-03 |
| 7106686 | Optical information recording medium, method of manufacturing thereof, and method of recording and reproduction | Kenichi Nishiuchi | 2006-09-12 |
| 7037413 | Optical information recording medium, producing method thereof and method of recording/erasing/reproducing information | Mayumi Otoba, Noboru Yamada, Katsumi Kawahara, Hiroyuki Ohta, Eiji Ohno | 2006-05-02 |
| 7014904 | Optical information recording medium and method for manufacturing the medium | Yoshitaka Sakaue, Noboru Yamada, Rie Kojima, Takashi Nishihara | 2006-03-21 |
| 6933031 | Optical information recording medium and its manufacturing method | Hiroyuki Ohta | 2005-08-23 |
| 6894962 | Optical information recording medium with sector address information | Kenichi Nishiuchi | 2005-05-17 |
| 6821707 | Optical information recording medium, producing method thereof and method of recording/erasing/reproducing information | Mayumi Uno, Noboru Yamada, Katsumi Kawahara, Hiroyuki Ohta, Eiji Ohno | 2004-11-23 |
| 6807142 | Optical information recording medium and method for initializing the same | Kenichi Nishiuchi, Noboru Yamada, Katsumi Kawahara | 2004-10-19 |
| 6795389 | Optical information recording medium with substrate and multiple information | Kenichi Nishiuchi | 2004-09-21 |
| 6771587 | Optical information recording medium with plural information layers | Kenichi Nishiuchi, Nobuo Akahira | 2004-08-03 |
| 6744724 | Recording and reproducing method for optical information recording medium and optical information recording medium | Noboru Yamada, Nobuo Akahira, Kenichi Nishiuchi | 2004-06-01 |
| 6707776 | Recording and reproducing method of optical information recording medium | Kenichi Nishiuchi, Eiji Ohno, Nobuo Akahira, Kenji Narumi | 2004-03-16 |
| 6697313 | Optical information recording and reproducing system with overwrite capability and recording medium for use therewith | Kenichi Nishiuchi, Eiji Ohno, Nobuo Akahira, Kenji Narumi | 2004-02-24 |
| 6683739 | Optical information recording and reproducing system with overwrite capability and recording medium for use therewith | Kenichi Nishiuchi, Eiji Ohno, Nobuo Akahira, Kenji Narumi | 2004-01-27 |
| 6663934 | Optical information recording medium | Noboru Yamada | 2003-12-16 |
| 6611491 | Optical recording medium having dual recording layers | Kenichi Nishiuchi, Nobuo Akahira | 2003-08-26 |
| 6587420 | Recording and reproducing method for optical information recording medium and optical information recording medium | Noboru Yamada, Nobuo Akahira, Kenichi Nishiuchi | 2003-07-01 |