Average Co-Inventor Count = 3.00
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 30,066 patents)
2. Aeg Schienenfahrzeuge Gmbh (1 from 3 patents)
2 patents:
1. 5530310 - Squirrel-cage rotor of an electric machine
2. 5323476 - Apparatus for increasing the cross section of optical waves