Inventor

UJIRO TAKUMI

JP35 patents

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

UJIRO TAKUMI

KAWASAKI STEEL CO

Ferritic stainless steel plate excellent in deep drawability and anti-ridging property and production method thereof

Method of producing ferritic Cr-containing steel sheet having excellent ductility, formability, and anti-ridging properties

Ferritic stainless steel plate

Chromium steel sheets having an excellent press formability

Fe-Cr alloy exhibiting excellent ridging resistance and surface characteristics

Hot-rolled stainless steel strip and method for producing the same

Method of producing ferritic stainless steel strip with small intra-face anisotropy

Ferrite stainless steel sheet having less planar anisotropy and excellent anti-ridging characteristics and process for producing same

Method of manufacturing a ferritic stainless steel plate

Ferritic Cr-containing steel sheet having excellent ductility, formability, and anti-ridging properties

Ferritic stainless steel plate

Method for producing chromium-containing hot rolled steel strip

Method of making austenitic stainless steel sheet

Ferrite steel which excels in high-temperature strength and toughness

Fe-Cr alloy having excellent initial rust resistance, workability and weldability

JFE STEEL CORP

Martensitic stainless steel for disk brakes

Ferritic stainless steel sheet for raw material pipe for bellows pipe

Ferritic stainless steel plate

Martensitic stainless steel sheet and method for making the same

Stainless steel sheet for welded structural components and method for making the same

High-strength stainless steel material in the form of a wheel rim and method for manufacturing the same

Corrosion-resistant chromium steel for architectural and civil engineering structural elements

Ferritic stainless steel sheet for water heater excellent in corrosion resistance at welded part and steel sheet toughness

ISHII TOMOHIRO

Ferritic stainless steel excellent in corrosion resistance and conductivity and method for manufacturing the same, separator of proton-exchange membrane fuel cell and proton-exchange membrane fuel cell

Ferritic stainless steel sheet having superior sulfuric acid corrosion resistance and method for manufacturing the same

NAKAMURA TETSUYUKI

Ferritic stainless steel with excellent heat resistance

Ferritic stainless steel excellent in oxidation resistance

HIRASAWA JUNICHIRO

Stainless steel sheet with excellent heat and corrosion resistances for brake disk

Brake disk excellent in temper softening resistance and toughness

YAMAUCHI KATSUHISA

Low-carbon martensitic chromium-containing steel

Steel sheet for brake disc, and brake disc

IDE SHINSUKE

Stainless steel having good conductivity and ductility for use in fuel cell and method for producing the same

Stainless steel for fuel cell having good corrosion resistance and method for producing the same

KATO YASUSHI

Heat-resistance ferritic stainless steel

MIZUTANI AKITO

Stainless steel foil and catalyst carrier for exhaust gas purifying device using the foil