Average Co-Inventor Count = 2.19
ph-index = 8
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 (15 from 58,129 patents)
15 patents:
1. 7516324 - Information processing system, information management apparatus, and information processing apparatus
2. 7020283 - Random number generation apparatus and random number generation method
3. 6963660 - Fingerprint collating device and fingerprint collating method
4. 6941462 - Authentication system, fingerprint identification unit, and authentication method
5. 5450381 - Magneto-optical recording utilizing signal phase adjustment
6. 5157642 - Optical disc recording/reproduction apparatus with improved track seeking
7. 4925717 - Disk-shaped recording medium and disk apparatus
8. 4907215 - Integral optical recording of product code in data areas
9. 4660189 - Optical disk player having reduced laser output during track changes
10. 4639907 - Magneto-optical apparatus
11. 4455579 - Apparatus for producing a color picture on recording paper
12. 4420268 - Printing apparatus and tape clamp therefor
13. 4378566 - Apparatus for producing a color picture on recording paper
14. 4349767 - Cathode ray tube resistance of ruthenium oxide and glass containing
15. 4333034 - Grid structure for color cathode ray tube