Average Co-Inventor Count = 4.70
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. Hitachi, Ltd. (15 from 42,517 patents)
15 patents:
1. D341616 - Combined video tape recorder and camera
2. D312634 - Projecting television receiver
3. D308673 - Television receiver
4. D306723 - Television receiver
5. D306722 - Television receiver
6. D298323 - Television receiver
7. D298247 - Television receiver
8. D297010 - Television receiver
9. D291572 - Television receiver
10. D289161 - Television receiver
11. D285791 - Television receiver
12. D284964 - Television receiver
13. D281880 - Television receiver
14. D281778 - Television receiver
15. D281162 - Television receiver