Average Co-Inventor Count = 2.57
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. Abb Oy (5 from 362 patents)
2. Abb Technology Oy (1 from 86 patents)
6 patents:
1. 9231490 - Frequency converter unit
2. D713337 - Frequency converter
3. D708133 - Frequency converter
4. D708135 - Frequency converter
5. D548182 - Cabinet for a frequency converter
6. D548183 - Cabinet for a frequency converter