Average Co-Inventor Count = 5.29
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 1,258 patents)
2. Kokusai Electric Corporation (1 from 607 patents)
3 patents:
1. 11359283 - Reaction tube structure and substrate processing apparatus
2. 8507296 - Substrate processing method and film forming method
3. 8501599 - Substrate processing apparatus and substrate processing method