Average Co-Inventor Count = 5.00
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 Petrochemical Company Limited (1 from 546 patents)
2. Mitsubishi Petrochemical Engineering Co., Ltd. (1 from 12 patents)
3. Chemicals Industries Co., Ltd. (1 from 1 patent)
1 patent:
1. 5087430 - Process for purifying exhaust gas