Average Co-Inventor Count = 3.20
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. Sharp Kabushiki Kaisha Corporation (4 from 25,537 patents)
4 patents:
1. D350148 - Electronic calculator
2. D345732 - Memorandum input and output terminal
3. D341573 - Memorandum input and output terminal
4. D340917 - Memorandum input and output device