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. Sharp Kabushiki Kaisha Corporation (2 from 25,543 patents)
2 patents:
1. 4420783 - Mode selector assembly for use in tape recorders
2. 4404610 - Mode selection assembly for use in tape recorders or the like