Average Co-Inventor Count = 7.04
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. Babcock-hitachi K.k. (2 from 26 patents)
2. Hitachi, Ltd. (1 from 42,488 patents)
3 patents:
1. 8511258 - Coal boiler and coal boiler combustion method
2. 7878130 - Overfiring air port, method for manufacturing air port, boiler, boiler facility, method for operating boiler facility and method for improving boiler facility
3. 7681508 - After-air nozzle for two-stage combustion boiler, and a two-stage combustion boiler, boiler and combustion method using the same