Average Co-Inventor Count = 3.12
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. Shinko Electric Industries Co., Ltd. (4 from 1,694 patents)
2. Philtech Inc. (1 from 18 patents)
4 patents:
1. 8686743 - Substrate, substrate holding apparatus, analysis apparatus, program, detection system, semiconductor device, display apparatus, and semiconductor manufacturing apparatus
2. 8641825 - Substrate temperature regulation fixed apparatus
3. 8542474 - Electrostatic chuck
4. 8023248 - Electrostatic chuck