Average Co-Inventor Count = 2.40
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. Nippon Oil Fats Co., Ltd. (2 from 297 patents)
2. Nof Corporation (1 from 326 patents)
3 patents:
1. 6127325 - Viscosity index improver, process for preparing the same and lubricating
2. 5091586 - Novel dialkyl peroxides, production method and use thereof
3. 4954656 - Ester-type polymeric peroxides