Inventor · disambiguated record
Kazuhiko Higai
Also filed as: HIGAI KAZUHIKO
20 granted patents·10 pending applications·52 citations·filing 1999–2023
92Inventor score
Top patents by PatentIndex Score
30 records- 0195US10160031B2Method of forming a closed cross-sectional structureJFE STEEL CORP·Filed 2017·Granted Dec 25, 2018·5 cites·7 claims
- 0288US9327327B2Method 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
- 0387US10160018B2Method of manufacturing closed-structure part and apparatus for the sameHIGAI KAZUHIKO·Filed 2012·Granted Dec 25, 2018·5 cites·7 claims
- 0487US9333549B2Press-forming mold designing method and press-forming moldJFE STEEL CORP·Filed 2012·Granted May 10, 2016·5 cites·8 claims
- 0586US8844581B2Closed structure parts, method and press forming apparatus for manufacturing the sameHIGAI KAZUHIKO·Filed 2009·Granted Sep 30, 2014·11 cites·10 claims
- 0680US9862017B2Method and apparatus that forms a closed cross-sectional structureJFE STEEL CORP·Filed 2013·Granted Jan 9, 2018·3 cites·6 claims
- 0779US9162272B2Closed structure parts, method and press forming apparatus for manufacturing the sameHIGAI KAZUHIKO·Filed 2009·Granted Oct 20, 2015·6 cites·5 claims
- 0868US11975762B2Crashworthiness energy absorption parts for automotiveJFE STEEL CORP·Filed 2019·Granted May 7, 2024·2 cites·2 claims
- 0968US10828683B2Apparatus that manufactures closed-structure partJFE STEEL CORP·Filed 2018·Granted Nov 10, 2020·0 cites·3 claims
- 1068US9009970B2Curvilineal closed structure parts and method for manufacturing the sameHIGAI KAZUHIKO·Filed 2010·Granted Apr 21, 2015·3 cites·3 claims
- 1168US2025323365A1Battery caseJFE STEEL CORP·Filed 2023·Application pending·0 cites
- 1263US11975764B2Automotive frame partJFE STEEL CORP·Filed 2019·Granted May 7, 2024·1 cites·3 claims
- 1360US2023407511A1Method of manufacturing automotive body including automotive crashworthiness energy absorption partJFE STEEL CORP·Filed 2021·Application pending·0 cites
- 1459US11235645B2Stiffening structure and stiffening method for automotive door panel partJFE STEEL CORP·Filed 2018·Granted Feb 1, 2022·0 cites·12 claims
- 1558US2015375288A1Closed structure parts, method and press forming apparatus for manufacturing the sameJFE STEEL CORP·Filed 2015·Application pending·0 cites
- 1652US2025010918A1Lower structure of automotive body and side sill structure of automobileJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 1751US12358563B2Automotive crashworthiness energy absorptive partJFE STEEL CORP·Filed 2021·Granted Jul 15, 2025·0 cites·10 claims
- 1850US2024092425A1Crash energy absorption part for automobile, and method of manufacturing crash energy absorption part for automobileJFE STEEL CORP·Filed 2021·Application pending·0 cites
- 1948US9260774B2Method for manufacturing hot dip galvanized steel sheetHOSHINO KATSUYA·Filed 2011·Granted Feb 16, 2016·0 cites·5 claims
- 2047US12054113B2Automotive crashworthiness energy absorption part and method for manufacturing the sameJFE STEEL CORP·Filed 2019·Granted Aug 6, 2024·0 cites·5 claims
- 2146US9669444B2Method of manufacturing curvilineal closed structure parts without flange and apparatus for the sameHIGAI KAZUHIKO·Filed 2012·Granted Jun 6, 2017·0 cites·6 claims
- 2246US9630238B2Method and apparatus that forms a closed cross-sectional structureJFE STEEL CORP·Filed 2013·Granted Apr 25, 2017·0 cites·3 claims
- 2345US11993311B2Automotive crashworthiness energy absorptive part and method for manufacturing sameJFE STEEL CORP·Filed 2019·Granted May 28, 2024·0 cites·5 claims
- 2445US11235812B2Automotive frame partJFE STEEL CORP·Filed 2018·Granted Feb 1, 2022·0 cites·4 claims
- 2544US2012171506A1Curved parts and method for manufacturing the sameFUTATSUKA TAKAYUKI·Filed 2010·Application pending·0 cites
- 2643US2022258804A1Automotive crashworthiness energy absorption part and production method of automotive crashworthiness energy absorption partJFE STEEL CORP·Filed 2020·Application pending·0 cites
- 2742US2015082855A1Method of preparing forming limit diagram in press forming, method for predicting crack and method of producing press partsFUJII YUSUKE·Filed 2012·Application pending·0 cites
- 2841US2004249036A1Coating material and surface treated metal plateFiled 2003·Application pending·0 cites
- 2941US2005221108A1Surface-treated zinc based metal plated steel plate and method for production thereofHIGAI KAZUHIKO·Filed 2003·Application pending·0 cites
- 3036US6548460B1Coating composition and lubricated metal sheetsKAWASAKI STEEL CO·Filed 1999·Granted Apr 15, 2003·6 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →