Average Co-Inventor Count = 1.88
ph-index = 4
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. D283613 - Combined radio receiver and tape recorder
2. D278906 - Radio receiver
3. D276610 - Radio receiver
4. D266241 - Combined radio receiver and tape recorder
5. D262621 - Combined cassette recorder and radio receiver
6. D251665 - Tape recorder