Average Co-Inventor Count = 3.00
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. Mitsubishi Gas Chemical Company, Inc. (2 from 2,250 patents)
2 patents:
1. 5411773 - Friction material
2. 5147962 - Melt-processable copolyesterimide composed of bis-trimellitimide units