Average Co-Inventor Count = 3.44
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. Idemitsu Kosan Company, Limited (5 from 2,272 patents)
2. Idemitsu Petrochemical Co., Ltd. (2 from 555 patents)
7 patents:
1. 7470824 - Adamantane derivative and process for producing the same
2. 7423180 - Bis(3-amino-4-hydroxyphenyl)adamantane derivatives and process for production thereof
3. 7402712 - Adamantyl vinyl ether compound and production process for the same
4. 7193106 - Halogenoacetoxyadamantane derivatives and process for production thereof
5. 7084295 - Perfluoroadamantyl acrylate compound and intermediate therefor
6. 7019183 - Process for producing adamantane compound
7. 6833388 - Adamantane derivative