Average Co-Inventor Count = 2.33
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 (6 from 58,132 patents)
2. Sony Optiarc Inc. (1 from 4 patents)
7 patents:
1. 8074236 - Disk drive device and electronic apparatus
2. 7665100 - Disk drive
3. 7627875 - Disk drive
4. 5471356 - Auto-eject device for disc players having compact twin cam motor unit
5. 5463509 - Disc cartridge holder having a shutter control arm disposed in a
6. 5400198 - Unitarily formed sheet metal cartridge holder
7. 5207342 - Housing for electronic device