Average Co-Inventor Count = 2.25
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. A&d Company, Limited (3 from 81 patents)
3 patents:
1. 7762956 - Electronic blood pressure meter
2. D404367 - Start switch and display
3. D403770 - Sphygmomanometer