Average Co-Inventor Count = 1.71
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. (7 from 27,375 patents)
7 patents:
1. D514082 - Combined video cassette recorder and digital disc player
2. D512405 - Video cassette recorder
3. D263221 - Combined cassette recorder and radio receiver
4. D262110 - Portable radio
5. D245038 - Combined radio receiver and cassette tape recorder
6. D244212 - Combined tape recorder and radio receiver
7. D243538 - Portable tape player