Average Co-Inventor Count = 7.00
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. Seiko Epson Corporation (3 from 33,490 patents)
3 patents:
1. 7623290 - Portable screen assemblies for projectors
2. 7619814 - Portable projection screen assembly
3. 7612938 - Portable projection screen assembly