Average Co-Inventor Count = 11.00
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. Dainichiseika Color & Chemicals Mfg. Co., Ltd. (1 from 265 patents)
2. Ukima Colour & Chemicals Mfg. Co., Ltd. (1 from 28 patents)
1 patent:
1. 5814434 - Composition for black matrix, fabrication process of black matrix and