Average Co-Inventor Count = 3.50
ph-index = 4
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. Labtec Corporation (4 from 22 patents)
4 patents:
1. D436589 - Microphone for flat surfaces
2. 6178251 - Collar microphone
3. D428406 - Microphone for flat surfaces
4. D410921 - Headset microphone