Average Co-Inventor Count = 6.00
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. Ppg Industries, Inc. (2 from 2,825 patents)
2. Nippon Oil Fats Co., Ltd. (2 from 297 patents)
2 patents:
1. 5028660 - Method for modifying the surface of polycarbonate resin
2. 4929685 - Method for modifying the surface of polycarbonate resin