Inventor · disambiguated record
Junko Imamura
Also filed as: IMAMURA JUNKO
10 granted patents·9 pending applications·53 citations·filing 1997–2019
81Inventor score
Files withNIPPON STEEL & SUMITOMO METAL CORP11KAMINAKA HIDEYA3FUJITSU LTD2NIPPON STEEL CORP2NIPPON STEEL STAINLESS STEEL CORP1
Top patents by PatentIndex Score
19 records- 0183US5995343AMagnetic headwith specified tapered pole tip width ratioFUJITSU LTD·Filed 1997·Granted Nov 30, 1999·49 cites·12 claims
- 0279US9680162B2Stainless steel sheet for a separator for a solid polymer fuel cell and a solid polymer fuel cell employing the separatorKAMINAKA HIDEYA·Filed 2011·Granted Jun 13, 2017·3 cites·11 claims
- 0371US8603263B2Duplex stainless steel having excellent alkali resistanceKAMINAKA HIDEYA·Filed 2012·Granted Dec 10, 2013·1 cites·10 claims
- 0455US10505205B2Titanium product, separator, and proton exchange membrane fuel cell, and method for producing titanium productNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Dec 10, 2019·0 cites·10 claims
- 0547US10230115B2Metallic material, and conductive component including the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Mar 12, 2019·0 cites·8 claims
- 0645US11764368B2Titanium material, separator, cell, and polymer electrolyte fuel cell stackNIPPON STEEL CORP·Filed 2017·Granted Sep 19, 2023·0 cites·6 claims
- 0745US11326224B2Stainless steel sheet and method of manufacturing the same, separator for solid polymer fuel cell, solid polymer fuel cell, and solid polymer fuel cell batteryNIPPON STEEL STAINLESS STEEL CORP·Filed 2017·Granted May 10, 2022·0 cites·5 claims
- 0845US10305119B2Titanium material or titanium alloy material having surface electrical conductivity and method for producing the same, and fuel cell separator and fuel cell using the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted May 28, 2019·0 cites·6 claims
- 0945US2021066729A1Titanium material, separator, fuel cell, and fuel cell stackNIPPON STEEL CORP·Filed 2019·Application pending·0 cites
- 1044US10033052B2Titanium material or titanium alloy material having surface electrical conductivity, and fuel cell separator and fuel cell using the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Jul 24, 2018·0 cites·3 claims
- 1143US9312546B2Stainless steel material for a separator of a solid polymer fuel cell and a solid polymer fuel cell using the separatorKAMINAKA HIDEYA·Filed 2010·Granted Apr 12, 2016·0 cites·8 claims
- 1241US2018323447A1Titanium product, separator and polymer electrolyte fuel cellNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Application pending·0 cites
- 1341US2017327915A1Duplex stainless steel and method for producing the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Application pending·0 cites
- 1441US2018034070A1Stainless steel sheet for polymer electrolyte fuel cell separatorNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Application pending·0 cites
- 1540US2016336600A1Composite metal foil for fuel cell separator, fuel cell separator, fuel cell, and method for producing composite metal foil for fuel cell separatorNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Application pending·0 cites
- 1639US2018191000A1Titanium productNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Application pending·0 cites
- 1739US2017298488A1Ferritic stainless steel material, and, separator for solid polymer fuel cell and solid polymer fuel cell which uses the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Application pending·0 cites
- 1835US2017077527A1Titanium material for separator of solid polymer fuel cell, separator using same, and solid polymer fuel cell comprising sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Application pending·0 cites
- 1927US2001012174A1Recording disk appartusFUJITSU LTD·Filed 1998·Application pending·0 cites
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