Average Co-Inventor Count = 4.00
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 Shipbuilding & Engineering Co., Ltd. (1 from 27 patents)
2. Kyushu Taika Renga Kabushiki Kaisha (1 from 3 patents)
1 patent:
1. 4025460 - Catalyst for gasification of heavy hydrocarbons in fluidized bed