Average Co-Inventor Count = 1.67
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. Nihon Kohden Corporation (5 from 551 patents)
5 patents:
1. 10952610 - Portable biological signal measurement/transmission system
2. D693006 - Defibrillator
3. D683857 - Defibrillator
4. D676136 - Transmitter
5. D665504 - Transmitter