Average Co-Inventor Count = 3.22
ph-index = 5
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 (20 from 58,129 patents)
20 patents:
1. 9173030 - Speaker system and speaker driving method
2. 8484667 - Recording and/or reproducing apparatus
3. 7881163 - Recording medium changer and reproducing apparatus
4. 7540001 - Apparatus for and method of mounting disks having different diameters
5. 7313800 - Disk centering system
6. 7103894 - Disk loading mechanism, and disk recording and/or reproducing device
7. 6952834 - Disc chucking device and disk recording and/or reproducing apparatus
8. 6683829 - Disc changer apparatus
9. 6590842 - Recording and/or reproducing apparatus for disklike recording medium
10. 6396794 - Disc recording and/or reproducing devices with disc exchanging function
11. 6181653 - Disc reproducing and recording apparatus with display of the amount of data in a buffer memory
12. 6167014 - Disc loading device for loading a cartridge containing therein a disc or
13. 5978324 - Disc recording/reproducing unit elastically supported on a main body of
14. 5970041 - Disc changer device increasing the distance between a gripped disc and
15. 5959958 - Disc changer device increasing the distance between a gripped disc and