Average Co-Inventor Count = 3.73
ph-index = 8
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 (13 from 33,464 patents)
13 patents:
1. D685016 - Projector
2. D664585 - Projector
3. D575812 - Projector
4. D574875 - Projector
5. D574406 - Projector
6. D565078 - Projector
7. D547369 - Printer with scanner
8. D537868 - Printer
9. D532818 - Printer
10. D531663 - Combined printer and scanner
11. D522571 - Printer
12. D522561 - Projector
13. D520020 - Portable multimedia player