Average Co-Inventor Count = 6.71
ph-index = 5
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. (7 from 42,517 patents)
7 patents:
1. 5960156 - Video camera combined with recording and reproducing system having a
2. 5748238 - Video camera
3. 5565919 - Video camera/VTR and camera station with opto-electronic link between
4. D341616 - Combined video tape recorder and camera
5. D339802 - Wireless telephone
6. D332958 - Combined video tape recorder and camera
7. D332794 - Combined video tape recorder and camera