Inventor

ARAI MASAHIKO

JP21 patents

⚠️ This page may combine multiple inventors who share the name “ARAI MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ARAI MASAHIKO

HITACHI LTD

Steam turbine blade, and steam turbine and steam turbine power plant using the same

Steam turbine blade, and steam turbine and steam turbine power plant using the same

Steam turbine rotor shaft

Precipitation hardening type single crystal austenitic steel

Microcomputer with built-in EPROM and test mode

Precipitation hardening type single crystal austenitic steel, and usage the same

Heat resisting steel, steam turbine rotor shaft using the steel, steam turbine, and steam turbine power plant

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

Precipitation hardening martensitic stainless steel, and steam turbine long blade, steam turbine, and power plant using the same

Turbine casing

OIKAWA SHINJI

Precipitation hardening martensitic stainless steel and steam turbine component made thereof

Precipitate hardening stainless steel and long blade using same for steam turbine

Precipitation hardenable martensitic stainless steel and steam turbine blade using the same

MITSUBISHI HITACHI POWER SYS

Steam turbine rotor blade and method for manufacturing steam turbine rotor blade

Steam turbine rotor

Steam turbine rotor

SAKUMA SHOGO

P2X4 receptor antagonist

FUJIKURA LTD

Flexible printed circuit board

ARIKAWA HIDEYUKI

Rotor for steam turbine and method of manufacturing the same

ARAI MASAHIKO

Method for assessing remaining lifespan of bolt used at high temperatures

NISHIOKA EIJI

Turbine rotor