Average Co-Inventor Count = 5.00
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. Iwatsu Electric Company Ltd. (4 from 190 patents)
4 patents:
1. D583353 - Console for telephone
2. D576146 - Telephone
3. D575262 - Telephone
4. D575263 - Telephone