Inventor
KAWANAKA HIROTSUGU
JP16 patents
⚠️ This page may combine multiple inventors who share the name “KAWANAKA HIROTSUGU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
7 patentsUS12459038B2Nov 4, 2025
Additive manufacturing method
HITACHI LTD0 citations62
US7459035B2Dec 2, 2008
Steam turbine rotor and steam turbine plant
HITACHI LTD2 citations61
US7540711B2Jun 2, 2009
Heat resisting steel, steam turbine rotor shaft using the steel, steam turbine, and steam turbine power plant
HITACHI LTD2 citations57
US7632066B2Dec 15, 2009
Pipe for steam turbine, manufacturing process of same, main stream pipe and reheat pipe for steam turbine, and steam turbine power plant using those pipes
HITACHI LTD1 citations52
US8025746B2Sep 27, 2011
Turbine casing
HITACHI LTD0 citations51
US12036609B2Jul 16, 2024
Additive manufacturing condition search apparatus, additive manufacturing condition search method, and reference sample
HITACHI LTD0 citations50
US10267260B2Apr 23, 2019
Heat-resistant member provided with heat-shielding coating, and method for manufacturing same
HITACHI LTD0 citations43
PROTERIAL LTD
3 patentsUS11713496B2Aug 1, 2023
Powder material, powder material for additive manufacturing, and method for producing powder material
PROTERIAL LTD0 citations61
US12539540B2Feb 3, 2026
Cemented carbide composite material, method for producing same, and cemented carbide tool
PROTERIAL LTD0 citations50
US11980964B2May 14, 2024
Member and method of manufacturing the same
PROTERIAL LTD0 citations47
MIYAGI MASANORI
2 patentsHITACHI GE NUCLEAR ENERGY LTD
2 patentsUS11946554B2Apr 2, 2024
Fluid contact member and method of manufacturing fluid contact member
HITACHI GE NUCLEAR ENERGY LTD0 citations58
US12502727B2Dec 23, 2025
Corrosion and wear resistant overlay, method for forming corrosion and wear resistant overlay, and corrosion and wear resistant valve
HITACHI GE NUCLEAR ENERGY LTD0 citations48