Average Co-Inventor Count = 2.20
ph-index = 3
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. Shipley Company LLC (2 from 522 patents)
2. International Business Machines Corporation (1 from 164,108 patents)
3. Shipley Company, L.l.c. of Marlborough (1 from 1 patent)
3 patents:
1. 6090526 - Polymers and photoresist compositions
2. 6077643 - Polymers and photoresist compositions
3. 5919597 - Methods for preparing photoresist compositions