Average Co-Inventor Count = 2.17
ph-index = 4
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. Sony Corporation (7 from 58,129 patents)
7 patents:
1. 7543217 - Method of determining suitability of a recording medium for being recorded to and/or reproduced from by an apparatus
2. 7016279 - Method for recording and/or reproducing data on/from recording/recorded medium, reproducing apparatus, recording medium, method for recogizing recording/recorded medium, and method for recording and/or reproducing data for apparatus using recording/recorded medium
3. 6600718 - Sealable cover for a package and package system for disk-form recording medium
4. 5893649 - Camera-mounted VTR
5. 5592301 - Video camera apparatus
6. 5469271 - Unified compact video camera and VCR
7. 4706141 - Video tape recorder with first and second loading positions