Average Co-Inventor Count = 4.44
ph-index = 3
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)
2. Matsushita Electric Industrial Eo., Ltd. (1 from 1 patent)
4 patents:
1. 7113740 - Portable radio apparatus
2. 6947767 - Card holding structure and portable terminal apparatus having the same
3. 6942154 - Card connector and portable telephone having the same
4. 6809933 - Printed circuit board holding structure