Average Co-Inventor Count = 7.20
ph-index = 3
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 (1 from 832,680 patents)
2. Lsi Logic Corporation (1 from 3,715 patents)
3. Calimetrics, Inc. (1 from 15 patents)
3 patents:
1. 7136333 - Method and apparatus for reading and writing a multilevel signal from an optical disc oscillators
2. 6657933 - Method and apparatus for reading and writing a multilevel signal from an optical disc
3. 6275458 - Method and apparatus for reading and writing a multi-level signal from an optical disc