Average Co-Inventor Count = 7.15
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. Cheil Industries Inc. (4 from 787 patents)
4 patents:
1. 9291899 - Resist underlayer composition and method of manufacturing semiconductor integrated circuit device using the same
2. 8962747 - Resist underlayer composition and process of producing integrated circuit devices using the same
3. 8841218 - Resist underlayer composition and process of producing integrated circuit devices using same
4. 8758981 - Photoresist underlayer composition and method of manufacturing semiconductor device by using the same