Inventor · disambiguated record
Nobuhiro Fujita
Also filed as: FUJITA NOBUHIRO
55 granted patents·4 pending applications·323 citations·filing 1993–2019
98Inventor score
Files withNIPPON STEEL & SUMITOMO METAL CORP18NIPPON STEEL CORP15NONAKA TOSHIKI4YOKOI TATSUO3FUJITA NOBUHIRO2
Top patents by PatentIndex Score
59 records- 0197US10060006B2High-strength cold-rolled steel sheet having excellent local deformabilityNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Aug 28, 2018·4 cites·6 claims
- 0297US6632296B2Steel pipe having high formability and method for producing the sameNIPPON STEEL CORP·Filed 2001·Granted Oct 14, 2003·52 cites·28 claims
- 0396US8951366B2High-strength cold-rolled steel sheet and method of manufacturing thereofSANO KOHICHI·Filed 2011·Granted Feb 10, 2015·19 cites·19 claims
- 0495US10066283B2High-strength cold-rolled steel sheet having excellent uniform elongation and hole expandabilityNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Sep 4, 2018·4 cites·6 claims
- 0595US9587319B2Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and methods of manufacturing the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Mar 7, 2017·3 cites·15 claims
- 0695US7842142B1High strength part and method for producing the sameNIPPON STEEL CORP·Filed 2005·Granted Nov 30, 2010·20 cites·32 claims
- 0795US7534312B2Steel plate exhibiting excellent workability and method for producing the sameNIPPON STEEL CORP·Filed 2002·Granted May 19, 2009·26 cites·11 claims
- 0894US10167539B2Hot-rolled steel sheet and method for producing sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Jan 1, 2019·2 cites·20 claims
- 0994US8888933B2High-strength steel sheet, hot-dipped steel sheet, and alloy hot-dipped steel sheet that have excellent fatigue, elongation, and collision characteristics, and manufacturing method for said steel sheetsHAYASHI KUNIO·Filed 2010·Granted Nov 18, 2014·11 cites·14 claims
- 1093US9797024B2Hot-rolled steel sheet for gas nitrocarburizing and manufacturing method thereofNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Oct 24, 2017·2 cites·6 claims
- 1193US9670569B2Cold-rolled steel sheet and production method thereofNOZAKI TAKAYUKI·Filed 2012·Granted Jun 6, 2017·7 cites·19 claims
- 1293US9109275B2High-strength galvanized steel sheet and method of manufacturing the sameMORIMOTO YASUHIDE·Filed 2010·Granted Aug 18, 2015·18 cites·6 claims
- 1393US8911567B2High-strength steel sheet having excellent processability and paint bake hardenability, and method for producing of high-strength steel sheetOGAWA TOSHIO·Filed 2010·Granted Dec 16, 2014·12 cites·27 claims
- 1492US9783878B2High-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet having excellent plating adhesion, formability, and hole expandability with tensile strength of 980 MPa or more and manufacturing method thereforNIPPON STEEL & SUMITOMO METAL CORP·Filed 2012·Granted Oct 10, 2017·5 cites·8 claims
- 1590US9546413B2Hot-rolled steel sheet and production method thereofNOZAKI TAKAYUKI·Filed 2012·Granted Jan 17, 2017·4 cites·20 claims
- 1689US10087499B2Hot-rolled steel sheet and manufacturing method thereofNIPPON STEEL & SUMITOMO METAL CORP·Filed 2012·Granted Oct 2, 2018·5 cites·12 claims
- 1788US10407760B2Hot-dip galvanized steel sheet and manufacturing method thereofNIPPON STEEL & SUMITOMO METAL CORP·Filed 2012·Granted Sep 10, 2019·4 cites·16 claims
- 1888US9567658B2Cold-rolled steel sheetTODA YURI·Filed 2012·Granted Feb 14, 2017·3 cites·12 claims
- 1987US10465272B2High-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet having excellent plating adhesion, formability, and hole expandability with tensile strength of 980 MPa or more and manufacturing method thereforNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Nov 5, 2019·1 cites·8 claims
- 2086US9273370B2Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and methods of manufacturing the sameFUJITA NOBUHIRO·Filed 2011·Granted Mar 1, 2016·3 cites·10 claims
- 2185US9970092B2Galvanized steel sheet and method of manufacturing the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2012·Granted May 15, 2018·3 cites·20 claims
- 2285US9752217B2Hot-rolled steel sheet and method of producing the sameYOKOI TATSUO·Filed 2012·Granted Sep 5, 2017·3 cites·20 claims
- 2385US9512508B2High-strength cold-rolled steel sheet having excellent stretch flangeability and precision punchability and manufacturing method thereofSHUTO HIROSHI·Filed 2012·Granted Dec 6, 2016·5 cites·15 claims
- 2485US7824509B2High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue resistance, corrosion resistance, ductility and plating adhesion, after severe deformation, and a method of producing the sameNIPPON STEEL CORP·Filed 2007·Granted Nov 2, 2010·5 cites·8 claims
- 2585US7762379B2Floating type disk brakeYUTAKA GIKEN CO LTD·Filed 2005·Granted Jul 27, 2010·13 cites·17 claims
- 2684US9631265B2Hot-rolled steel sheet and method for producing sameSANO KOHICHI·Filed 2012·Granted Apr 25, 2017·2 cites·10 claims
- 2784US8216397B2High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue resistance, corrosion resistance, ductility and plating adhesion, after severe deformation, and a method of producing the sameFUJITA NOBUHIRO·Filed 2009·Granted Jul 10, 2012·5 cites·12 claims
- 2884US7749343B2Method to produce steel sheet excellent in workabilityNIPPON STEEL CORP·Filed 2008·Granted Jul 6, 2010·3 cites·5 claims
- 2983US9988697B2High-strength hot-rolled steel sheet having excellent local deformability and manufacturing method thereofSUWA YOSHIHIRO·Filed 2012·Granted Jun 5, 2018·2 cites·10 claims
- 3083US9453269B2Hot-rolled steel sheet for gas nitrocarburizing and manufacturing method thereofYOKOI TATSUO·Filed 2012·Granted Sep 27, 2016·2 cites·7 claims
- 3181US9458520B2Manufacturing method of a high-strength cold-rolled steel sheet having excellent uniform elongation and hole expandabilityTODA YURI·Filed 2012·Granted Oct 4, 2016·2 cites·9 claims
- 3280US8353391B2Floating type brake discYUTAKA GIKEN CO LTD·Filed 2009·Granted Jan 15, 2013·7 cites·12 claims
- 3377US6866725B2Steel pipe excellent in formability and method of producing the sameNIPPON STEEL CORP·Filed 2001·Granted Mar 15, 2005·10 cites·34 claims
- 3476US10280475B2Hot-dip galvanized steel sheet and manufacturing method thereofNONAKA TOSHIKI·Filed 2011·Granted May 7, 2019·1 cites·8 claims
- 3574US10927428B2Hot-dip galvanized steel sheet and manufacturing method thereofNIPPON STEEL CORP·Filed 2019·Granted Feb 23, 2021·0 cites·8 claims
- 3674US10266928B2Method for producing a cold-rolled steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Apr 23, 2019·0 cites·13 claims
- 3774US9540720B2High-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet having excellent formability and small material anisotropy with ultimate tensile strength of 980 MPa or moreNIPPON STEEL & SUMITOMO METAL CORP·Filed 2012·Granted Jan 10, 2017·4 cites·6 claims
- 3874US7776161B2Cold-rolled steel sheet excellent in workabilityNIPPON STEEL CORP·Filed 2008·Granted Aug 17, 2010·1 cites·14 claims
- 3972US7267890B2High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue resistance corrosion resistance ductility and plating adhesion after servere deformation and a method of producing the sameNIPPON STEEL CORP·Filed 2002·Granted Sep 11, 2007·9 cites·32 claims
- 4071US10364478B2Bainite-containing-type high-strength hot-rolled steel sheet having excellent isotropic workability and manufacturing method thereofNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Jul 30, 2019·0 cites·4 claims
- 4168US9523134B2Method for producing a high strength hot-rolled steel plate exhibiting excellent acid pickling property, chemical conversion processability, fatigue property, stretch flangeability, and resistance to surface deterioration during molding, and having isotropic strength and ductilityNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted Dec 20, 2016·0 cites·2 claims
- 4265US2014311631A1High-strength steel sheet, hot-dipped steel sheet, and alloy hot-dipped steel sheet that have excellent fatigue, elongation, and collision characteristics, and manufacturing method for said steel sheetsNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Application pending·0 cites
- 4362US9347122B2Manufacturing method of a high-strength cold-rolled steel sheet having excellent local deformabilitySUWA YOSHIHIRO·Filed 2012·Granted May 24, 2016·0 cites·7 claims
- 4462US8052807B2Steel sheet excellent in workabilityNIPPON STEEL CORP·Filed 2008·Granted Nov 8, 2011·0 cites·2 claims
- 4561US5994435AFlame retardant and flame retardant resin composition formulated with the sameTOSOH CORP·Filed 1997·Granted Nov 30, 1999·15 cites·24 claims
- 4660US9587287B2Bainite-containing-type high-strength hot-rolled steel sheet having excellent isotropic workability and manufacturing method thereofYOKOI TATSUO·Filed 2012·Granted Mar 7, 2017·0 cites·6 claims
- 4759US10294551B2High-strength low-specific-gravity steel sheet having superior spot weldabilityNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted May 21, 2019·0 cites·2 claims
- 4856US10336037B2Galvanized steel sheet and method for producing the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted Jul 2, 2019·0 cites·4 claims
- 4956US8852360B2High strength hot-rolled steel plate exhibiting excellent acid pickling property, chemical conversion processability, fatigue property, stretch flangeability, and resistance to surface deterioration during molding, and having isotropic strength and ductilityTANAHASHI HIROYUKI·Filed 2010·Granted Oct 7, 2014·0 cites·6 claims
- 5055US2011120598A1High-strength steel sheets with excellent resistance to delayed fracture after forming, method for manufacturing the same, and high-strength automotive part manufactured of the sameNIPPON STEEL CORP·Filed 2010·Application pending·0 cites
Showing the top 50 of 59 patent records by PatentIndex Score.
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