Inventor · disambiguated record
Yuji Yamasaki
Also filed as: YAMASAKI YUJI
69 granted patents·25 pending applications·438 citations·filing 1992–2023
98Inventor score
Files withJFE STEEL CORP49MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13NIPPON KOKAN KK10HIGAI KAZUHIKO5SUMITOMO RUBBER IND4
Top patents by PatentIndex Score
94 records- 0195US10160031B2Method of forming a closed cross-sectional structureJFE STEEL CORP·Filed 2017·Granted Dec 25, 2018·5 cites·7 claims
- 0294US12275053B2Shearing die and press-forming methodJFE STEEL CORP·Filed 2020·Granted Apr 15, 2025·2 cites·11 claims
- 0391US11590591B2Press die designing method using an index value obtained from two stress gradients in sheet thickness direction and gradient of surface stress distribution in directionJFE STEEL CORP·Filed 2018·Granted Feb 28, 2023·5 cites·7 claims
- 0490US6741118B2Semiconductor integrated circuit device and method of manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 25, 2004·65 cites·29 claims
- 0589US10639695B2Press forming method, method for manufacturing press-formed component and method for determining preform shape used in these methodsJFE STEEL CORP·Filed 2015·Granted May 5, 2020·3 cites·8 claims
- 0688US11731185B2Method for manufacturing pressed componentJFE STEEL CORP·Filed 2019·Granted Aug 22, 2023·2 cites·18 claims
- 0788US9327327B2Method of manufacturing pipe with different diameter along a longitudinal direction and die for formingJFE STEEL CORP·Filed 2013·Granted May 3, 2016·5 cites·5 claims
- 0887US10160018B2Method of manufacturing closed-structure part and apparatus for the sameHIGAI KAZUHIKO·Filed 2012·Granted Dec 25, 2018·5 cites·7 claims
- 0987US9333549B2Press-forming mold designing method and press-forming moldJFE STEEL CORP·Filed 2012·Granted May 10, 2016·5 cites·8 claims
- 1086US8844581B2Closed structure parts, method and press forming apparatus for manufacturing the sameHIGAI KAZUHIKO·Filed 2009·Granted Sep 30, 2014·11 cites·10 claims
- 1186US6743306B2Steel sheet and method for manufacturing the sameNIPPON KOKAN KK·Filed 2002·Granted Jun 1, 2004·17 cites·16 claims
- 1285US8419202B2Display device and backlight deviceOGURA TAKESHI·Filed 2010·Granted Apr 16, 2013·8 cites·4 claims
- 1384US10413956B2Press forming method and method of manufacturing press formed productJFE STEEL CORP·Filed 2015·Granted Sep 17, 2019·2 cites·3 claims
- 1483US10500625B2Method for manufacturing metal component with three-dimensional edge and die sets for manufacturing the sameJFE STEEL CORP·Filed 2018·Granted Dec 10, 2019·1 cites·3 claims
- 1582US7252722B2Steel sheetNIPPON KOKAN KK·Filed 2004·Granted Aug 7, 2007·12 cites·18 claims
- 1680US9862017B2Method and apparatus that forms a closed cross-sectional structureJFE STEEL CORP·Filed 2013·Granted Jan 9, 2018·3 cites·6 claims
- 1780US6837093B2Methods for making an easy-opening can endNIPPON KOKAN KK·Filed 2002·Granted Jan 4, 2005·27 cites·20 claims
- 1879US9162272B2Closed structure parts, method and press forming apparatus for manufacturing the sameHIGAI KAZUHIKO·Filed 2009·Granted Oct 20, 2015·6 cites·5 claims
- 1977US6797411B2Galvanized steel sheet, method for manufacturing the same, and method for manufacturing press-formed productNIPPON KOKAN KK·Filed 2003·Granted Sep 28, 2004·15 cites·34 claims
- 2077US5755129APress-forming method of a sheet and apparatus thereforNIPPON KOKAN KK·Filed 1996·Granted May 26, 1998·24 cites·21 claims
- 2175US6435368B1Easy opening can end and method for fabricating the sameNIPPON KOKAN KK·Filed 2000·Granted Aug 20, 2002·12 cites·8 claims
- 2272US10226807B2Press forming method and method of manufacturing pressed product as well as press forming apparatusJFE STEEL CORP·Filed 2015·Granted Mar 12, 2019·1 cites·5 claims
- 2370US8791749B2Semicondcutor integrated circuit including power generation block and power supply control blockPANASONIC CORP·Filed 2013·Granted Jul 29, 2014·4 cites·19 claims
- 2470US7035128B2Semiconductor memory device and semiconductor integrated circuit deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Apr 25, 2006·17 cites·32 claims
- 2569US6570802B2Semiconductor memory deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 27, 2003·18 cites·11 claims
- 2668US12115571B2Press-forming method, blank member for sheet-shaped material, intermediate formed product, method for manufacturing press-formed product, and press-formed productJFE STEEL CORP·Filed 2019·Granted Oct 15, 2024·0 cites·18 claims
- 2768US10828683B2Apparatus that manufactures closed-structure partJFE STEEL CORP·Filed 2018·Granted Nov 10, 2020·0 cites·3 claims
- 2868US10029293B2Method for manufacturing metal component with three-dimensional edge and die sets for manufacturing the sameJFE STEEL CORP·Filed 2014·Granted Jul 24, 2018·1 cites·6 claims
- 2968US9009970B2Curvilineal closed structure parts and method for manufacturing the sameHIGAI KAZUHIKO·Filed 2010·Granted Apr 21, 2015·3 cites·3 claims
- 3068US6628162B2Semiconductor integrated circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Sep 30, 2003·17 cites·18 claims
- 3167US6507529B2Semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 14, 2003·13 cites·16 claims
- 3267US6493282B2Semiconductor integrated circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Dec 10, 2002·17 cites·19 claims
- 3365US10730090B2Method for forming blank and method for determining preforming shapeJFE STEEL CORP·Filed 2014·Granted Aug 4, 2020·1 cites·10 claims
- 3465US10022766B2Press forming method and method of manufacturing press-formed partJFE STEEL CORP·Filed 2014·Granted Jul 17, 2018·1 cites·20 claims
- 3564US9981298B2Method of producing polygonal closed cross-section structural component with a curved form and polygonal closed cross-section structural component produced by the methodJFE STEEL CORP·Filed 2014·Granted May 29, 2018·1 cites·2 claims
- 3663US8511129B2Press forming method for metal sheet and frame part for automotive body manufactured therebyTAMAI YOSHIKIYO·Filed 2007·Granted Aug 20, 2013·3 cites·12 claims
- 3763US2025362213A1Method for assessing delayed fracture characteristics of formed component, and method for manufacturing formed componentJFE STEEL CORP·Filed 2023·Application pending·0 cites
- 3863US2025305919A1Method for assessing delayed fracture characteristics of sheared end surface, program, and method for producing automotive componentsJFE STEEL CORP·Filed 2023·Application pending·0 cites
- 3962US8195816B2Security management device, communication system, and access control methodYAMASAKI YUJI·Filed 2006·Granted Jun 5, 2012·7 cites·20 claims
- 4061US11052444B2Method for manufacturing press formed productJFE STEEL CORP·Filed 2018·Granted Jul 6, 2021·0 cites·20 claims
- 4161US6494969B1High strength cold rolled steel sheet and method for manufacturing the sameNIPPON KOKAN KK·Filed 2000·Granted Dec 17, 2002·2 cites·15 claims
- 4260US12017265B2Method for evaluating bending crack, system for evaluating bending crack, and method for manufacturing press-formed componentJFE STEEL CORP·Filed 2019·Granted Jun 25, 2024·0 cites·20 claims
- 4360US6175529B1Semiconductor integrated circuit device and method for manufacturing the sameMATUSHITA ELECTRIC IND CO LTD·Filed 1999·Granted Jan 16, 2001·21 cites·22 claims
- 4460US5863626AElectric conductive rollerSUMITOMO RUBBER IND·Filed 1997·Granted Jan 26, 1999·20 cites·5 claims
- 4559US11511330B2Method for manufacturing press formed productJFE STEEL CORP·Filed 2018·Granted Nov 29, 2022·0 cites·4 claims
- 4659US7072241B2Semiconductor memory device and multi-chip module comprising the semiconductor memory deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jul 4, 2006·1 cites·8 claims
- 4758US2015375288A1Closed structure parts, method and press forming apparatus for manufacturing the sameJFE STEEL CORP·Filed 2015·Application pending·0 cites
- 4858US2025044082A1Press forming analysis method, press forming analysis apparatus, and press forming analysis programJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 4957US12275052B2Pressed component manufacturing methodJFE STEEL CORP·Filed 2020·Granted Apr 15, 2025·0 cites·7 claims
- 5057US11731187B2Press forming method, rigidity-improvement-position specifying method, press forming system, and press-formed productJFE STEEL CORP·Filed 2019·Granted Aug 22, 2023·0 cites·7 claims
Showing the top 50 of 94 patent records by PatentIndex Score.
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