Average Co-Inventor Count = 10.00
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. Nippon Steel Corporation (1 from 3,562 patents)
2. Chiyoda Corporation (1 from 167 patents)
3. Cosmo Oil Co., Ltd. (1 from 163 patents)
4. Japan Oil, Gas and Metals National Corporation (1 from 94 patents)
5. Inpex Corporation (1 from 73 patents)
6. Sekiyushigen Kamatsu Kabushiki Kaisha (1 from 1 patent)
7. Nippon Steel Sumitomo Metal Corporation (1,102 patents)
1 patent:
1. 7393470 - Process for producing synthesis gas for the fischer-tropsch synthesis and producing apparatus thereof