Average Co-Inventor Count = 6.00
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. Mitsui Engineering and Shipbuilding Company Limited (1 from 244 patents)
2. The Tokyo Electric Power Company, Incorporated (1 from 177 patents)
3. Mitsui Co., Ltd. (1 from 37 patents)
1 patent:
1. 4762526 - Process for deashing coal