Average Co-Inventor Count = 3.40
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. Matsushita Electric Industrial Co., Ltd. (6 from 27,375 patents)
6 patents:
1. D391281 - Combined video camera, liquid crystal monitor and video tape recorder
2. D330373 - Cassette for a video tape recorder
3. D330374 - Cassette for a video tape recorder
4. D330375 - Cassette for a video tape recorder
5. D304031 - Cassette for a video tape recorder
6. D303796 - Cassette for a video tape recorder