Average Co-Inventor Count = 1.41
ph-index = 3
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 Petrochemical Company Limited (4 from 546 patents)
4 patents:
1. 4332733 - Process for liquefying acid anhydride
2. 4190719 - Imidazolidone polyamines as epoxy curing agents
3. 4076767 - Curable mixed polyester resin compositions
4. 4032593 - Curable resin compositions