Average Co-Inventor Count = 4.00
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. Kanzaki Paper Manufacturing Co., Ltd. (1 from 195 patents)
2. Sanko Kagaku Co., Ltd. (1 from 1 patent)
1 patent:
1. 4134847 - Method for the production of a color developer and the obtained color