Average Co-Inventor Count = 1.96
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. Hitachi-kokusai Electric Inc. (2 from 1,257 patents)
2. Kokusai Electric Corporation (1 from 601 patents)
3 patents:
1. 11827979 - Cleaning method, method of manufacturing semiconductor device, substrate processing apparatus, and recording medium
2. 8012888 - Substrate processing apparatus and semiconductor device manufacturing method
3. 7667301 - Thermal treatment apparatus, method for manufacturing semiconductor device, and method for manufacturing substrate