Inventor

DOI HIROYUKI

JP66 patents

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

DOI HIROYUKI

HITACHI LTD

Welding material, gas turbine blade or nozzle and a method of repairing a gas turbine blade or nozzle

Gas turbine combustor and gas turbine

Gas turbine and gas turbine nozzle

Gas turbine and gas turbine nozzle

Boiler tube

Ni-based superalloy having high oxidation resistance and gas turbine part

High-strength Ni-base superalloy and gas turbine blades

Method of making steam turbine blade

Steam turbine blade, method of manufacturing the same, steam turbine power generating plant and low pressure steam turbine

High-temperature piping product and method for producing same

Nickel based forged alloy, gas turbine member using said alloy and gas turbine using said member

Steam turbine rotor shaft

Method of using a structural member of anti-sulfur-attack cr-ni-al-si alloy steel for coal gasification system

Ni-Fe based super alloy, process of producing the same and gas turbine

Ni-based alloy member, method of producing the alloy member, turbine engine part, welding material, and method of producing the welding material

Deposition apparatus and profile-following device suitable for apparatuses such as those for deposition

Steam turbine rotor and steam turbine plant

Ni-based alloy for welding material and welding wire, rod and power

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Method of fabricating semiconductor device

Nonvolatile semiconductor memory device and method for driving the same

Semiconductor devices constitute constant voltage devices used to raise internal voltage

Method for fabricating nonvolatile-semiconductor memory device

Method of manufacturing semiconductor device

Semiconductor device and method for driving the same

PANASONIC CORP

Solid-state imaging device and driving method of solid-state imaging device

Semiconductor device and manufacturing method thereof

Solid state imaging device including a semiconductor substrate on which a plurality of pixel cells have been formed

Solid-state image pickup device

MATSUSHITA ELECTRONICS CORP

Nonvolatile semiconductor memory device comprising a memory transistor, a select transistor, and an intermediate diffusion layer

Nonvolatile semiconductor memory device and method for driving the same

Semiconductor device with a diffused resistor

SATO JUN

Ni-based heat resistant alloy, gas turbine component and gas turbine

Ni-base alloy, high-temperature member for steam turbine and welded rotor for turbine using the same, and method for manufacturing the same

Nickel base wrought alloy

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

NARITA KENJIRO

Seals in steam turbine

Seals in steam turbine

JMS CO LTD

Fluid passage change-over apparatus for medical treatment

DOI HIROYUKI

Grease pump unit

MITSUI TOATSU CHEMICALS

Process for injection molding polyolefin resin compositions

DACC DOCUMENT UPDATE

Method for fabricating semiconductor device using a CVD insulator film

KOJIMA YOSHITAKA

High-reliability turbine metal sealing material

NIPPON STEEL CORP

Structural member for car and car body fabricated using the member

IMANO SHINYA

Ni—Fe based forging superalloy excellent in high-temperature strength and high-temperature ductility, method of manufacturing the same, and steam turbine rotor

HARISON TOSHIBA LIGHTING CORP

Induction heating roller device for use in image forming apparatus

TOSHIBA LIGHTING & TECHNOLOGY

Electrodeless discharge lamp system

CHUGAI PHARMACEUTICAL CO LTD

Process of production with controlled copper ions

NUVOTON TECHNOLOGY CORP JAPAN

Semiconductor device for power amplification