Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7394744 | Reproduction apparatus and information recording medium testing apparatus | Takashi Kikukawa, Tatsuhiro Kobayashi | 2008-07-01 |
| 7247417 | Optical recording medium and optical recording/reproducing method | Takashi Horai, Hiroshi Take | 2007-07-24 |
| 7167439 | Multilevel optical recording medium with calibration signals | Hiroshi Take, Hiroyuki Arioka, Shuji Tsukamoto, Takashi Horai, Motohiro Inoue | 2007-01-23 |
| 7132148 | Optical recording disk | Tatsuhiro Kobayashi, Takashi Kikukawa | 2006-11-07 |
| 7102969 | Multi-level optical recording medium reproducing method and reproducing device | Syuji Tsukamoto, Hiroyuki Arioka, Takashi Horai, Hiroshi Take, Motohiro Inoue | 2006-09-05 |
| 7022393 | Optical recording medium | Takashi Horai, Hiroyuki Arioka, Syuji Tsukamoto | 2006-04-04 |
| 7014902 | Optical disc and method for manufacturing the same | Hiroshi Take, Hiroshi Kawahara | 2006-03-21 |
| 7008683 | Optical disc and method for manufacturing the same | Hiroshi Take, Hiroshi Kawahara | 2006-03-07 |
| 7008682 | Optical disc and method for manufacturing the same | Hiroshi Take, Hiroshi Kawahara | 2006-03-07 |
| 6905749 | Optical recording disk, method for making and using the same | — | 2005-06-14 |
| 6891790 | Optical recording medium, optical recording device and optical recording method | Syuji Tsukamoto | 2005-05-10 |