Average Co-Inventor Count = 4.00
ph-index = 2
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. (2 from 27,375 patents)
2. Other (1 from 832,718 patents)
3 patents:
1. 7072485 - Method for manufacturing diaphragm for loudspeaker, diaphragm for loudspeaker made thereby, and loudspeaker using the same
2. 6627140 - Method for manufacturing diaphragm for loudspeaker
3. 6543574 - Method of making a speaker edge containing isocyanate and polyol