Average Co-Inventor Count = 2.67
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. Siemens Aktiengesellschaft (2 from 30,052 patents)
2 patents:
1. 4445091 - Method for determining the pH value of deionized water
2. 3979226 - Thermal generator with parallel circuits