Average Co-Inventor Count = 5.52
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. Cosmo Oil Co., Ltd. (4 from 163 patents)
2. Japan Oil, Gas and Metals National Corporation (3 from 94 patents)
3. Inpex Corporation (2 from 73 patents)
4. Nippon Steel Corporation (1 from 3,542 patents)
5. Chiyoda Corporation (1 from 168 patents)
6. Nippon Steel Engineering Co., Ltd. (1 from 59 patents)
7. Japan National Oil Corporation (1 from 16 patents)
8. Sekiyushigen Kaihatsu Kabushiki Kaisha (1 from 10 patents)
9. Sekiyushigen Kamatsu Kabushiki Kaisha (1 from 1 patent)
4 patents:
1. 8057744 - Bubble column-type Fischer-Tropsch synthesis slurry bed reaction system
2. 7612013 - Hydrocarbon-producing catalyst, process for producing the same, and process for producing hydrocarbons using the catalyst
3. 7393470 - Process for producing synthesis gas for the fischer-tropsch synthesis and producing apparatus thereof
4. 6924316 - Method for producing hydrocarbons by Fischer-Tropsch process