Average Co-Inventor Count = 1.85
ph-index = 3
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. N.e. Chemcat Corporation (3 from 87 patents)
2. Yokogawa Electric Corporation (1 from 1,327 patents)
3. Sumitomo Metal Mining Company, Ltd. (1 from 896 patents)
4. Nkk Corporation (1 from 614 patents)
4 patents:
1. 8981960 - Wireless field device, device management system, and device management method
2. 6624112 - Hydrogenolysis catalyst
3. 5783515 - Catalyst for treating exhaust gases containing dioxines, production
4. 5171728 - Catalyst for oxidizing carbon-containing compounds and method for the