Average Co-Inventor Count = 3.53
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. Idemitsu Kosan Company, Limited (5 from 2,276 patents)
2. Idemitsu Petrochemical Co., Ltd. (1 from 555 patents)
6 patents:
1. 7528279 - Adamantane derivatives and process for producing the same
2. 7470824 - Adamantane derivative and process for producing the same
3. 7456311 - Adamantane derivative, process for producing the same, and photosensitive material for photoresist
4. 7423180 - Bis(3-amino-4-hydroxyphenyl)adamantane derivatives and process for production thereof
5. 7402712 - Adamantyl vinyl ether compound and production process for the same
6. 7084295 - Perfluoroadamantyl acrylate compound and intermediate therefor