Average Co-Inventor Count = 6.00
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 (4 from 58,130 patents)
4 patents:
1. 5978324 - Disc recording/reproducing unit elastically supported on a main body of
2. 5862106 - Optical disc reproducing apparatus and optical disc reproducing method
3. 5828633 - Disc recording and/or reproducing changer with disc transporting
4. 5644558 - Recording and/or reproducing apparatus for disc-shaped recording medium