Average Co-Inventor Count = 4.34
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. Promerus, Lcc (5 from 160 patents)
2. Tokyo Ohka Kogyo Co., Ltd. (1,234 patents)
5 patents:
1. 8329838 - Norbornene-type polymers, compositions thereof and lithographic processes using such compositions
2. 7799883 - Norbornene-type polymers, compositions thereof and lithographic process using such compositions
3. 7422836 - Dissolution rate modifiers for photoresist compositions
4. 7341818 - Norbornene-type monomers and polymers containing pendent lactone or sultone groups
5. 7101654 - Norbornene-type monomers and polymers containing pendent lactone or sultone groups