Average Co-Inventor Count = 3.43
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. Sony Corporation (2 from 58,130 patents)
2 patents:
1. 6830458 - Apparatus incorporating electronic-parts-implementing board and a method for incorporating electronic-parts-implementing board
2. 5687160 - Optical recording medium with lists having playback control information