Average Co-Inventor Count = 1.00
ph-index = NA
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. (265 patents)
2. Ukima Chemicals & Color Mfg. Co., Ltd. (12 patents)
0 patent: