Average Co-Inventor Count = 6.00
ph-index = 2
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. Other (2 from 832,680 patents)
2 patents:
1. 6295258 - Method for recording and reproducing information by pre-pits detection
2. 6188654 - Method and apparatus for recording/reproducing by pre-pits detection