Average Co-Inventor Count = 1.25
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. Koss Corporation (8 from 99 patents)
2. Silver Creek Nurseries Inc. (3 from 5 patents)
3. Other (1 from 832,680 patents)
12 patents:
1. 5725268 - Pet waste retrieval and disposal device
2. D357254 - Combination hearing protector and sound amplifier
3. D324219 - Combined microphone and parabolic reflector
4. D301145 - Stereophone or similar article
5. D299025 - Headphone
6. 4517418 - Portable stereophone
7. 4404434 - Collapsible stereophone
8. D265557 - Stereo headphone
9. D255352 - Headphone
10. D244300 - Headphone
11. D244301 - Headphone earpiece
12. D244213 - Headphone earpiece