Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6781939 | Information recording medium where address mark comprising pattern suitable for prevention of detection error is recorded, and cutting apparatus for reproducing the information recording medium | Koki Tanoue | 2004-08-24 |
| 6747942 | Optical disk, and method apparatus for recording/reproducing data thereon wherein areas of the disk employ different formats | Koki Tanoue | 2004-06-08 |
| 6674708 | Information recording medium where address mark comprising pattern suitable for prevention of detection error is recorded, and cutting apparatus for reproducing the information recording medium | Koki Tanoue | 2004-01-06 |
| 6657937 | Information recording medium where address mark comprising pattern suitable for prevention of detection error is recorded, and cutting apparatus for reproducing the information recording medium | Koki Tanoue | 2003-12-02 |
| 6625092 | Recording/reproducing optical disk with zig-zag shift headers and recording/reproducing apparatus using same | Koki Tanoue | 2003-09-23 |
| 6600710 | Information recording medium where address mark comprising pattern suitable for prevention of detection error is recorded, and cutting apparatus for reproducing the information recording medium | Koki Tanoue | 2003-07-29 |
| 6473381 | Information recording medium where address mark comprising pattern suitable for prevention of detection error is recorded, and cutting apparatus for reproducing the information recording medium | Koki Tanoue | 2002-10-29 |
| 6351448 | Information recording medium where address mark comprising pattern suitable for prevention of detection error is recorded, and cutting apparatus for reproducing the information recording medium | Koki Tanoue | 2002-02-26 |
| 6298033 | Recording/reproducing optical disk with constant product of rotation number and number of sector areas and recording/reproducing apparatus using same | Koki Tanoue | 2001-10-02 |
| 6259658 | Recording/reproducing optical disk with zig-zag shift headers and recording/reproducing apparatus using same | Koki Tanoue | 2001-07-10 |
| 6215759 | Information recording medium with address marks (AM) for error detection, cutting apparatus for manufacturing the information recording medium, and information reproducing apparatus for reproducing the information recording medium | Koki Tanoue | 2001-04-10 |
| 6172961 | Optical recording disk having land and groove continuously alternated in spiral tracks | Koki Tanoue | 2001-01-09 |
| 6128260 | Optical information recording medium and information recording method | Koki Tanoue | 2000-10-03 |
| 6091688 | Reproducing apparatus by generating slice level at header field of the optical disk | Koki Tanoue | 2000-07-18 |
| 6064643 | Optical recording disk having land and groove continuously alternated in spiral tracks | Koki Tanoue | 2000-05-16 |
| 5329509 | Optical disk unit | Tamane Takahara, Naobumi Seo | 1994-07-12 |
| 5193081 | Track-accessing controller for optical disks | Naobumi Seo | 1993-03-09 |