Average Co-Inventor Count = 2.00
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. Tokyo Electron Limited (3 from 10,295 patents)
3 patents:
1. D424024 - Quartz process tube
2. D406113 - Processing tube for use in a semiconductor wafer heat processing
3. D405429 - Processing tube for use in a semiconductor wafer heat processing