Average Co-Inventor Count = 4.35
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. Hitachi, Ltd. (5 from 42,508 patents)
5 patents:
1. 5303062 - Folding camcorder for compact storage
2. 5278701 - Video camera combined with a VCR having a cylinder assembly positioned
3. 5130741 - Video camera having DC power source light
4. 4894731 - Method of shooting by camera integrated with VTR
5. 4885643 - VTR-integrated camera having playback function with movable lens cover