Average Co-Inventor Count = 5.71
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. Otsuka Kagaku Kabushiki Kaisha (4 from 138 patents)
2. Other (1 from 832,912 patents)
3. Otsuka Chemical Co., Ltd. (1 from 167 patents)
6 patents:
1. 6433042 - Curing agents for epoxy resins
2. 6380288 - Rubber composition and pneumatic tires
3. 6372825 - Aqueous solution of water-soluble epoxy resin, solid obtained therefrom, and processes for producing these
4. 6359036 - 1-Aminopyrrolidine or its salt as epoxy resin hardener
5. 5981764 - Process for producing 1-aminopyrrolidine, and 1-aminopyrrolidine
6. 4886891 - Process for preparing 1,1-disubstituted ethylene derivative by reaction