Average Co-Inventor Count = 1.80
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. (3 from 27,375 patents)
3 patents:
1. 7130647 - Cordless telephone system
2. 6882713 - Telephone apparatus
3. 5487105 - Facsimile apparatus operable in facsimile or telephone mode