Average Co-Inventor Count = 3.13
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. Koss Corporation (5 from 99 patents)
2. Sync1 LLC (1 from 1 patent)
6 patents:
1. 8818012 - Adjustable, dual speaker element in-ear phone
2. 8103040 - Adjustable, dual speaker element in-ear phone
3. D618669 - Earphone
4. 7428429 - Hands-free personal communication device
5. D531984 - Stereo headphone earplate
6. D517044 - Earplate for earphone