Average Co-Inventor Count = 2.15
ph-index = 13
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. Audio-technica Corporation (21 from 216 patents)
2. Kabushiki Kaisha Audio Technica (5 from 405 patents)
3. Audio-technica Coproration (1 from 1 patent)
27 patents:
1. D893449 - Headphone
2. D890121 - Earphone
3. D878328 - Headphone
4. D878331 - Headset
5. D878332 - Headset
6. D876429 - Pick-up cartridge
7. D875067 - Headphone
8. D875068 - Headphone
9. D875066 - Headphone
10. D873237 - Headphone
11. D872706 - Headphone
12. D866506 - Headphone
13. D852775 - Headphone
14. D852163 - Headphone
15. D851059 - Headphone