Average Co-Inventor Count = 3.36
ph-index = 1
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. (3 from 1,257 patents)
3 patents:
1. 9628689 - Image pickup element unit and image pickup apparatus with heat generating member
2. 9460945 - Substrate processing apparatus for semiconductor devices
3. 8851886 - Substrate processing apparatus and method of manufacturing semiconductor device