Average Co-Inventor Count = 3.51
ph-index = 5
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. Dainippon Screen Mfg. Co., Ltd. (5 from 1,306 patents)
5 patents:
1. 6893171 - Substrate treating apparatus
2. 5436848 - Method of and device for transporting semiconductor substrate in
3. 5359785 - Substrate transport apparatus
4. 5308210 - Interface apparatus for transporting substrates between substrate
5. 4820907 - Controlled furnace heat treatment