Average Co-Inventor Count = 1.33
ph-index = 1
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. Tymphany Hk Limited (1 from 25 patents)
2. Tymphany Hong Kong Limited (1 from 9 patents)
2 patents:
1. 10341761 - Acoustic waveguide for audio speaker
2. 9854353 - Omni-directional ported speaker