Average Co-Inventor Count = 1.00
ph-index = 2
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. Obo Pro.2 Inc. (2 from 4 patents)
2. Chien-chuan Pan (2 from 2 patents)
3. Other (1 from 832,880 patents)
3 patents:
1. 9913038 - Multi-channel headphone
2. 9571933 - Multi-channel headphone
3. 9113259 - Tunable multichannel headphone and method for assembling the same