Average Co-Inventor Count = 4.50
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. Other (2 from 832,880 patents)
2. Matsushita Electric Industrial Co., Ltd. (1 from 27,375 patents)
3 patents:
1. 7185068 - Content retrieval device
2. 6799300 - Document processor
3. 6708200 - Communication system and communication method