Average Co-Inventor Count = 4.71
ph-index = 3
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. (4 from 195 patents)
4 patents:
1. 4443614 - Triarylmethane derivatives
2. 4439610 - Process for preparing triarylmethane derivatives
3. 4323700 - Process for preparing benzophenone derivatives
4. 4045458 - Process for preparing triarylmethane derivatives