Average Co-Inventor Count = 3.71
ph-index = 1
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 Technology Ag (3 from 862 patents)
2. Hitachi Energy Ltd (2 from 238 patents)
3. Abb Schweiz Ag (1 from 2,636 patents)
4. Abb Technology Ltd (191 patents)
5. Hitachi Energy Switzerland Ag (178 patents)
6. Abb Ag (137 patents)
7. Abb Power Grids Switzerland Ag (127 patents)
6 patents:
1. 12394562 - Dry transformer
2. 11984248 - Transformer for use in a rail vehicle
3. 9761366 - Dry-type transformer
4. 9368268 - Underfloor transformer
5. 8786390 - Power transformer with amorphous core
6. 8525628 - Housing for an electric machine