Average Co-Inventor Count = 6.00
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. Yaskawa Electric Mfg. Co. Ltd. (1 from 17 patents)
1 patent:
1. 4488023 - Rotary-arc type gas-filled switch