Average Co-Inventor Count = 1.64
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. D342506 - Projection-type television receiver
2. D265901 - Portable cassette tape recorder
3. D257975 - Micro cassette tape recorder
4. D251665 - Tape recorder
5. D249507 - Tape recorder
6. D248392 - Tape recorder