Average Co-Inventor Count = 4.80
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 42,485 patents)
2. Hitachi Engineering Co., Ltd. (1 from 162 patents)
3. Hitachi Video and Information System, Inc. (1 from 46 patents)
7 patents:
1. 5960156 - Video camera combined with recording and reproducing system having a
2. 5355228 - Camcorder incorporating a cavity for storing a remote controller therein
3. 5303062 - Folding camcorder for compact storage
4. 5278701 - Video camera combined with a VCR having a cylinder assembly positioned
5. 5130741 - Video camera having DC power source light
6. 4894731 - Method of shooting by camera integrated with VTR
7. 4885643 - VTR-integrated camera having playback function with movable lens cover