Average Co-Inventor Count = 2.40
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. Ricoh Company, Ltd. (4 from 28,577 patents)
4 patents:
1. D835654 - Display screen or portion thereof with graphical user interface
2. D822048 - Display screen or portion thereof with graphical user interface
3. D821430 - Display screen or portion thereof with graphical user interface
4. D819606 - Speaker with multiple diaphragms