Average Co-Inventor Count = 3.83
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. Nippon Shokubai Kagaku Kogyo Co., Ltd. (2 from 236 patents)
2. Nippon Shokubai Co., Ltd. (1 from 1,332 patents)
3 patents:
1. 6417392 - Method for production of alkylamino(Meth)acrylate and apparatus therefor
2. 4833267 - Method for production of unsaturated carboxylic acid esters
3. 4464229 - Process for producing acrylic or methacrylic esters