Average Co-Inventor Count = 3.27
ph-index = 3
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. (2 from 17 patents)
2. Kabushiki Kaisha Yaskawa Denki Seisakusho (1 from 55 patents)
3 patents:
1. 4529352 - Cable support of a robot
2. 4507042 - Cable support of a robot
3. 4503722 - Arm operating device in automatic operating machine