Average Co-Inventor Count = 4.00
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. Dai Nippon Printing Co., Ltd. (2 from 3,199 patents)
2 patents:
1. 6251548 - Color filter
2. 6001533 - Composition for forming non-conductive light-shielding layer, and