Average Co-Inventor Count = 3.58
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. Sinfonia Technology Co., Ltd. (4 from 130 patents)
2. Tokyo Electron Limited (1 from 10,295 patents)
4 patents:
1. 12172305 - Transfer robot
2. 8958907 - Robot arm apparatus
3. 8764085 - Clamping device and workpiece conveying robot
4. 8522958 - Vacuum processing apparatus