Average Co-Inventor Count = 8.40
ph-index = 4
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. Ebara Corporation (7 from 2,514 patents)
7 patents:
1. 8777198 - Substrate holding apparatus, substrate holding method, and substrate processing apparatus
2. 8141513 - Substrate holding apparatus, substrate holding method, and substrate processing apparatus
3. 7886685 - Substrate holding apparatus, substrate holding method, and substrate processing apparatus
4. 7575636 - Substrate processing apparatus and substrate processing method
5. 7442257 - Substrate processing apparatus and substrate processing method
6. 7087117 - Substrate processing apparatus and substrate processing method
7. 6824613 - Substrate processing apparatus