Average Co-Inventor Count = 2.77
ph-index = 2
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. Sony Corporation (2 from 58,130 patents)
2. Cambwick Healthcare K.k. (1 from 1 patent)
3 patents:
1. 8222622 - Electron irradiation apparatus of DC-type dielectric barrier discharge and electrical therapeutic apparatus
2. 4511934 - Video tape recorder
3. 4445146 - Digital tracking control system for video tape reproducing apparatus