Average Co-Inventor Count = 6.46
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 Petrochemical Company Limited (2 from 546 patents)
2. Mitsubishi Yuka Fine Chemical Co. (1 from 1 patent)
2 patents:
1. 4659618 - Composite molded product
2. 4567097 - Composite heat-insulating material