Average Co-Inventor Count = 2.30
ph-index = 5
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 (27 from 216 patents)
2. Sato Holdings Kabushiki Kaisha (2 from 216 patents)
29 patents:
1. D1101817 - Audio mixer
2. D1057704 - Pick-up cartridge
3. D1055905 - Pick-up cartridge
4. D1042329 - Battery charger for earphones
5. D1035611 - Headphone
6. D1031691 - Headphone
7. D1031689 - Speaker
8. D1030719 - Earphone
9. D1029800 - Earphone
10. D1029787 - Headphone
11. D1028876 - Battery charger for earphones
12. D1028928 - Headphone
13. D1024942 - Battery charger for earphones
14. D1018495 - Headphone
15. D1016779 - Headphone