Inventor

TORIZUKA SHIRO

JP11 patents

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

NAT RES INST METALS

2 patents

US6221178B1Apr 24, 2001

Ultra-fine grain steel and method for producing it

NAT RES INST METALS18 citations89

US6572716B2Jun 3, 2003

Fine ferrite-based structure steel production method

NAT RES INST METALS3 citations60

NAT INST FOR MATERIALS SCIENCE

2 patents

US7647804B2Jan 19, 2010

Large strain-introducing working method and caliber rolling device

NAT INST FOR MATERIALS SCIENCE3 citations58

US7727343B2Jun 1, 2010

Controlled warm-rolling method

NAT INST FOR MATERIALS SCIENCE0 citations40

TORIZUKA SHIRO

2 patents

US8070888B2Dec 6, 2011

High strength formed article comprising hyperfine grain structure steel and manufacturing method of the same

TORIZUKA SHIRO5 citations52

US9366211B2Jun 14, 2016

Orifice plate and manufacturing method of the orifice plate

TORIZUKA SHIRO0 citations42

JP NATIONAL RESEARCH INST FOR

1 patent

US6129791AOct 10, 2000

Oxides dispersion steel and making process thereof

JP NATIONAL RESEARCH INST FOR19 citations88

NIPPON KOKAN KK

1 patent

US4933308AJun 12, 1990

High strength high toughness TiB2 ceramics

NIPPON KOKAN KK11 citations73

JP NAT RES INST FOR METALS

1 patent

US6464807B1Oct 15, 2002

Production method of ultra fine grain steel

JP NAT RES INST FOR METALS3 citations59

NAT INST MATERIALS SCIENCE

1 patent

US10100383B2Oct 16, 2018

Martensitic steel and method for producing same

NAT INST MATERIALS SCIENCE0 citations51

JP NAT RES INST OF METALS

1 patent

US6287397B1Sep 11, 2001

High strength phosphorus-containing steel and method for producing the same

JP NAT RES INST OF METALS0 citations46