Issued Patents All Time
Showing 126–150 of 193 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7170830 | Information recording medium having a wobbling groove structure | — | 2007-01-30 |
| 7139236 | Information recording medium having substrate with microscopic pattern and reproducing apparatus therefor | Akira Nishizawa | 2006-11-21 |
| 7133331 | Recording medium having a substrate containing microscopic pattern of parallel groove and land sections and recording/reproducing equipment therefor | Kenji Oishi | 2006-11-07 |
| 7090383 | Headlamp assembly with blindfold for vehicle | Shigeru Kodaira, Yukimi Ase, Kenichiro Kuboshima | 2006-08-15 |
| 7088670 | Information recording carrier and method of reproducing the same | — | 2006-08-08 |
| 7072276 | Disklike recording media, a method for detecting forged disks, an anti-forgery system for performing a true-false judgement based on information collected from the recording media, and a manufacturing apparatus for recording information in the disks | — | 2006-07-04 |
| 7072284 | Information recording medium | — | 2006-07-04 |
| 7072285 | Optical information recording medium, and substrate and manufacturing method for the optical information recording medium | Eiji Nakagawa, Hirofumi Nagano | 2006-07-04 |
| 7035199 | Information recording medium | — | 2006-04-25 |
| 7012860 | Information recording medium having a wobbling groove structure | — | 2006-03-14 |
| 7011878 | Optical disc | Akira Nishizawa, Takeo Kojima | 2006-03-14 |
| 6982127 | Information recording medium, and apparatuses for reproducing, recording, and recording and reproducing thereof, and methods for reproducing, recording, and recording and reproducing thereof | Kenji Oishi | 2006-01-03 |
| 6973021 | Multilayered optical information-recording media and process for manufacture thereof | Akira Nishizawa | 2005-12-06 |
| 6937555 | Information recording medium and reproducing apparatus therefor | — | 2005-08-30 |
| 6934241 | Information recording medium | — | 2005-08-23 |
| 6930977 | Optical information recording medium, and substrate and manufacturing method for the optical information recording medium | Eiji Nakagawa, Hirofumi Nagano | 2005-08-16 |
| 6925050 | Information recording medium | — | 2005-08-02 |
| 6914874 | DISKLIKE RECORDING MEDIA, A METHOD FOR DETECTING FORGED DISKS, AN ANTI-FORGERY SYSTEM FOR PERFORMING A TRUE-FALSE JUDGEMENT BASED ON INFORMATION COLLECTED FROM THE RECORDING MEDIA, AND A MANUFACTURING APPARATUS FOR RECORDING INFORMATION IN THE DISKS | — | 2005-07-05 |
| 6873595 | Information recording medium having parallel grooves with alternating convex-concave sections | Akira Nishizawa | 2005-03-29 |
| 6815032 | Optical disc | Akira Nishizawa, Takeo Kojima | 2004-11-09 |
| 6744725 | Information recording medium | — | 2004-06-01 |
| 6721253 | DISKLIKE RECORDING MEDIA, A METHOD FOR DETECTING FORGED DISKS, AN ANTI-FORGERY SYSTEM FOR PERFORMING A TRUE-FALSE JUDGEMENT BASED ON INFORMATION COLLECTED FROM THE RECORDING MEDIA, AND A MANUFACTURING APPARATUS FOR RECORDING INFORMATION IN THE DISKS | — | 2004-04-13 |
| 6693873 | Information recording medium having parallel grooves with alternating convex-concave sections | Akira Nishizawa | 2004-02-17 |
| 6683985 | Method of discriminating shape of free-form curved surface | Kiwamu Kase, Akitake Makinouchi, Naomichi Mori | 2004-01-27 |
| 6676791 | Multilayered optical information-recording media and process for manufacture thereof | Akira Nishizawa | 2004-01-13 |