Average Co-Inventor Count = 1.75
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. Kabushiki Kaisha Yaskawa Denki (2 from 1,100 patents)
2 patents:
1. 7135655 - Arc welding cable
2. 5823061 - Industrial robot