Average Co-Inventor Count = 3.00
ph-index = 1
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. (4 from 27,375 patents)
4 patents:
1. 7401739 - Case for card-type portable information processing device
2. 7258577 - Memory pack
3. 7238051 - PC card
4. 7236371 - PC card