Average Co-Inventor Count = 1.85
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 Corporation (4 from 847 patents)
2. Sharp Kabushiki Kaisha Corporation (1 from 25,530 patents)
5 patents:
1. D317462 - Binder
2. D317440 - Memorandum input/output device
3. D309601 - Electronic memorandum input/output terminal
4. D309469 - Typewriter
5. D303523 - Portable computer