Average Co-Inventor Count = 2.21
ph-index = 6
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. (7 from 27,375 patents)
7 patents:
1. D488461 - Earphone with microphone
2. D467578 - Remote controller for vehicle equipment
3. D438520 - Digital video disk player for automobile
4. D407704 - Digital audio disk player for automobile
5. D388089 - Pager
6. D374668 - Pager
7. D353594 - Pager