Average Co-Inventor Count = 4.29
ph-index = 4
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. New Japan Chemical Co., Ltd. (5 from 72 patents)
2. Mitsui Coke Co. Ltd. (1 from 13 patents)
3. Mitsui Miike Machinery Co., Ltd. (1 from 2 patents)
4. Toko Kasei Ltd. (1 from 1 patent)
5 patents:
1. 6218482 - Epoxy resin, process for preparing the resin and photo-curable resin composition and resin composition for powder coatings containing the epoxy resin
2. 5244985 - Epoxidized polyesters and method of production thereof
3. 5034493 - Curing agent compositions for epoxy resins and epoxy resin compositions
4. 4502975 - Compositions for recovering an organic material from an oily layer on a
5. 4246000 - Fuel compositions comprising coal-liquid fuel mixture