Average Co-Inventor Count = 3.43
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. (1 from 27,375 patents)
2. Matsushita Mobile Communications Development Corporation of U.s.a. (1 from 4 patents)
2 patents:
1. 6968161 - Portable telephone
2. 6913174 - Detachable carry clip with swivel for electronic devices