Average Co-Inventor Count = 1.36
ph-index = 4
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. Pioneer Corporation (17 from 2,646 patents)
2. Tohoku Pioneer Corporation (17 from 291 patents)
17 patents:
1. 12058502 - Speaker device
2. 11671758 - Speaker device
3. 11337004 - Speaker device
4. 10848860 - Speaker frame and speaker having the same
5. 10841705 - Speaker device
6. 10433065 - Speaker device
7. 10284946 - Speaker frame and speaker having the same
8. 10194236 - Speaker frame and speaker having the same
9. 10015585 - Speaker frame and speaker having the same
10. 9924262 - Speaker frame and speaker having the same
11. 9900699 - Speaker device
12. 9729972 - Speaker device
13. 9602900 - Speaker frame and speaker having the same
14. 9510099 - Speaker device
15. 9351058 - Speaker frame and speaker having the same