Average Co-Inventor Count = 5.46
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. Rohm and Haas Electronic Materials Korea Ltd. (2 from 146 patents)
2. Rohm & Haas Electronic Materials LLC (1 from 696 patents)
2 patents:
1. 11500291 - Underlying coating compositions for use with photoresists
2. 11269252 - Method for forming pattern using antireflective coating composition including photoacid generator