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. Kanzaki Paper Manufacturing Co., Ltd. (2 from 195 patents)
2 patents:
1. 4219220 - Recording material for use in a pressure sensitive copying system
2. 4218506 - Recording material and method for the production of the same