Hiroki Kamitani
15Patents
1h-index
19Co-inventors
40Inventor score
Filing activity: Jun 23, 2016 → Mar 16, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US11313005B2 | Seamless steel pipe and method for producing the seamless steel pipe | Chemistry; Metallurgy | 1 | Active |
| US11155893B2 | Steel material suitable for use in sour environment | Emerging Cross-Sectional Technologies | 1 | Active |
| US10487373B2 | Steel pipe for line pipe and method of manufacturing the same | Chemistry; Metallurgy | 0 | Active |
| US11078558B2 | Steel material, oil-well steel pipe, and method for producing steel material | Emerging Cross-Sectional Technologies | 0 | Active |
| US11898216B2 | Seamless steel pipe heat-treatment-finishing-treatment continuous facility | Performing Operations; Transporting | 0 | Active |
| US11066718B2 | Method of manufacturing stainless pipe for oil wells and stainless steel pipe for oil wells | Chemistry; Metallurgy | 0 | Active |
| US11905580B2 | Seamless steel pipe suitable for use in sour environment | Chemistry; Metallurgy | 0 | Active |
| US11332813B2 | Steel material suitable for use in sour environment | Chemistry; Metallurgy | 0 | Active |
| US11773460B2 | Steel pipe and method for producing steel pipe | Chemistry; Metallurgy | 0 | Active |
| US11434554B2 | Steel material suitable for use in sour environment | Emerging Cross-Sectional Technologies | 0 | Active |
| US11643712B2 | Steel pipe and method for producing steel pipe | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12054798B2 | Steel material and method for producing steel material | Chemistry; Metallurgy | 0 | Active |
| US11891680B2 | Steel material suitable for use in sour environment | Chemistry; Metallurgy | 0 | Active |
| US12371765B2 | Seamless steel pipe suitable for use in sour environment | Chemistry; Metallurgy | 0 | Active |
| US11174539B2 | Steel material suitable for use in sour environment | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.