Average Co-Inventor Count = 2.12
ph-index = 7
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Kabushiki Kaisha Toshiba (18 from 52,711 patents)
18 patents:
1. 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
2. 6747942 - Optical disk, and method apparatus for recording/reproducing data thereon wherein areas of the disk employ different formats
3. 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
4. 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
5. 6625092 - Recording/reproducing optical disk with zig-zag shift headers and recording/reproducing apparatus using same
6. 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
7. 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
8. 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
9. 6298033 - Recording/reproducing optical disk with constant product of rotation number and number of sector areas and recording/reproducing apparatus using same
10. 6259658 - Recording/reproducing optical disk with zig-zag shift headers and recording/reproducing apparatus using same
11. 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
12. 6172961 - Optical recording disk having land and groove continuously alternated in spiral tracks
13. 6128260 - Optical information recording medium and information recording method
14. 6091688 - Reproducing apparatus by generating slice level at header field of the
15. 6064643 - Optical recording disk having land and groove continuously alternated in