Inventor · disambiguated record
Shiro Torizuka
Also filed as: TORIZUKA SHIRO
11 granted patents·13 pending applications·62 citations·filing 1989–2014
87Inventor score
Files withTORIZUKA SHIRO7NAT INST FOR MATERIALS SCIENCE4NAKAJIMA HIROSHI2NAT RES INST METALS2JP NAT RES INST FOR METALS1
Top patents by PatentIndex Score
24 records- 0173US6221178B1Ultra-fine grain steel and method for producing itNAT RES INST METALS·Filed 1998·Granted Apr 24, 2001·18 cites·22 claims
- 0265US6129791AOxides dispersion steel and making process thereofJP NATIONAL RESEARCH INST FOR·Filed 1999·Granted Oct 10, 2000·19 cites·10 claims
- 0363US8070888B2High strength formed article comprising hyperfine grain structure steel and manufacturing method of the sameTORIZUKA SHIRO·Filed 2006·Granted Dec 6, 2011·5 cites·4 claims
- 0461US2007119527A1Heavy wall steel material having superior weldability and method for producing the sameNAKAJIMA HIROSHI·Filed 2007·Application pending·0 cites
- 0560US2010173716A1Formed product and method for production thereofTORIZUKA SHIRO·Filed 2009·Application pending·0 cites
- 0660US2011083775A1Heavy wall steel material having superior weldability and method for producing the sameNAKAJIMA HIROSHI·Filed 2010·Application pending·0 cites
- 0759US10100383B2Martensitic steel and method for producing sameNAT INST MATERIALS SCIENCE·Filed 2014·Granted Oct 16, 2018·0 cites·2 claims
- 0857US2005178482A1Heavy wall steel material having superior weldability and method for producing the sameFiled 2005·Application pending·0 cites
- 0957US2008210351A1Formed product and method for production thereofTORIZUKA SHIRO·Filed 2008·Application pending·0 cites
- 1055US7647804B2Large strain-introducing working method and caliber rolling deviceNAT INST FOR MATERIALS SCIENCE·Filed 2004·Granted Jan 19, 2010·3 cites·4 claims
- 1154US6464807B1Production method of ultra fine grain steelJP NAT RES INST FOR METALS·Filed 2000·Granted Oct 15, 2002·3 cites·2 claims
- 1253US4933308AHigh strength high toughness TiB2 ceramicsNIPPON KOKAN KK·Filed 1989·Granted Jun 12, 1990·11 cites·9 claims
- 1353US2010051144A1Excellent cold-workability exhibiting high-strength steel, wire or steel bar or high-strength shaped article, and process for producing themTORIZUKA SHIRO·Filed 2009·Application pending·0 cites
- 1449US2003145917A1Heavy wall steel material having superior weldability and method for producing the sameFiled 2003·Application pending·0 cites
- 1547US2005271496A1Formed product and method for production thereofNAT INST FOR MATERIALS SCIENCE·Filed 2003·Application pending·0 cites
- 1647US2002026969A1Heavy wall steel material having superior weldability and method for producing the sameFiled 2001·Application pending·0 cites
- 1744US2008041503A1Excellent Cold-Workability Exhibiting High-Strength Steel Wire or Steel Bar or High-Strength Shaped Article, and Process for Producing ThemTORIZUKA SHIRO·Filed 2005·Application pending·0 cites
- 1841US9366211B2Orifice plate and manufacturing method of the orifice plateTORIZUKA SHIRO·Filed 2010·Granted Jun 14, 2016·0 cites·11 claims
- 1940US2005241733A1Superfine grain steel having nitrided layerNAT INST FOR MATERIALS SCIENCE·Filed 2003·Application pending·0 cites
- 2039US7727343B2Controlled warm-rolling methodNAT INST FOR MATERIALS SCIENCE·Filed 2004·Granted Jun 1, 2010·0 cites·20 claims
- 2136US6572716B2Fine ferrite-based structure steel production methodNAT RES INST METALS·Filed 1998·Granted Jun 3, 2003·3 cites·5 claims
- 2233US2006191613A1Warm rolling methodTORIZUKA SHIRO·Filed 2004·Application pending·0 cites
- 2332US2004250923A1Method for producing oxidation-resistant high cr ferritic heat resistant steelFiled 2003·Application pending·0 cites
- 2425US6287397B1High strength phosphorus-containing steel and method for producing the sameJP NAT RES INST OF METALS·Filed 1999·Granted Sep 11, 2001·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →