Average Co-Inventor Count = 4.44
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. Ocg Microelectronic Materials, Inc. (2 from 71 patents)
2 patents:
1. 5558978 - Photoresist compositions containing copolymers having acid-labile groups
2. 5554797 - Tetra (hydroxphenyl) alkanes