Average Co-Inventor Count = 3.86
ph-index = 9
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. Apple Inc. (45 from 40,816 patents)
2. Sennheiser Communications A/s (2 from 53 patents)
47 patents:
1. 12267641 - Electroosmotic flow valve for an electronic device
2. 12256186 - Wireless earphone
3. 12219315 - Acoustic detection of in-ear headphone fit
4. 12207033 - Pressure relief valve for headphones
5. 12193087 - Point-to-point ad hoc voice communication
6. 12112738 - Headphone with multiple reference microphones ANC and transparency
7. 11937037 - Wireless earphone
8. 11844123 - Point-to-point ad hoc voice communication
9. 11741939 - Headphone with multiple reference microphones ANC and transparency
10. 11722809 - Acoustic detection of in-ear headphone fit
11. 11575985 - Mass loaded earbud with vent chamber
12. 11470413 - Acoustic detection of in-ear headphone fit
13. 11437012 - Headphone with multiple reference microphones ANC and transparency
14. 11375306 - Headphones with increased back volume
15. 11375560 - Point-to-point ad hoc voice communication