Average Co-Inventor Count = 2.14
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. (10 from 27,375 patents)
10 patents:
1. D529898 - Speaker for an automobile
2. D529899 - Speaker for an automobile
3. D526311 - Speaker for an automobile
4. D526312 - Speaker for an automobile
5. D524289 - Speaker for an automobile
6. D524290 - Speaker for an automobile
7. D524300 - Speaker for an automobile
8. D523844 - Speaker for an automobile
9. D523417 - Speaker for an automobile
10. D519496 - Speaker for an automobile