Average Co-Inventor Count = 3.00
ph-index = 1
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. Mitsubishi Chemical Corporation (4 from 2,346 patents)
4 patents:
1. 8492565 - Biphenyltetracarboxylic acid dianhydride and process for producing the same, and polyimide formed from the same and process for producing the same
2. 8299273 - Biphenyltetracarboxylic acid dianhydride and process for producing the same, and polyimide formed from the same and process for producing the same
3. 7842824 - Biphenyltetracarboxylic acid dianhydride and process for producing the same, and polyimide formed from the same and process for producing the same
4. 7459570 - High-purity biphenyltetracarboxylic dianhydride and process for producing the same