Average Co-Inventor Count = 3.90
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. (5 from 27,375 patents)
5 patents:
1. D348884 - Combined speaker box and screen for a television projector
2. D343396 - Combined speaker box and screen
3. D342521 - Combined speaker box and screen
4. D342499 - Television receiver
5. D342500 - Television receiver