Inventor · disambiguated record
Keiichiro Oishi
Also filed as: OISHI KEIICHIRO
52 granted patents·24 pending applications·162 citations·filing 1994–2023
98Inventor score
Files withMITSUBISHI SHINDO KK35MITSUBISHI MATERIALS CORP16OISHI KEIICHIRO14SAMBO COPPER ALLOY CO LTD3NAT INST MATERIALS SCIENCE2
Top patents by PatentIndex Score
76 records- 0195US11479834B2Free-cutting copper alloy and method for manufacturing free-cutting copper alloyMITSUBISHI MATERIALS CORP·Filed 2019·Granted Oct 25, 2022·3 cites·9 claims
- 0294US7883589B2Free-cutting copper alloy containing very low leadMITSUBISHI SHINDO KK·Filed 2006·Granted Feb 8, 2011·12 cites·16 claims
- 0394US6413330B1Lead-free free-cutting copper alloysSAMBO COPPER ALLOY CO LTD·Filed 2001·Granted Jul 2, 2002·43 cites·12 claims
- 0493US10557185B2Free-cutting copper alloy, and method for producing free-cutting copper alloyMITSUBISHI SHINDO KK·Filed 2019·Granted Feb 11, 2020·1 cites·6 claims
- 0593US9512506B2High strength and high conductivity copper alloy rod or wireOISHI KEIICHIRO·Filed 2009·Granted Dec 6, 2016·11 cites·17 claims
- 0691US11788173B2Free-cutting copper alloy, and manufacturing method of free-cutting copper alloyMITSUBISHI MATERIALS CORP·Filed 2019·Granted Oct 17, 2023·1 cites·9 claims
- 0791US7909946B2Copper alloyMITSUBISHI SHINDO KK·Filed 2005·Granted Mar 22, 2011·11 cites·140 claims
- 0889US8992706B2Copper alloy sheet, and method of producing copper alloy sheetMITSUBISHI SHINDO KK·Filed 2013·Granted Mar 31, 2015·3 cites·6 claims
- 0989US8171886B2Structure used in seawater, copper alloy wire or bar forming the structure, and method for manufacturing the copper alloy wire or barOISHI KEIICHIRO·Filed 2005·Granted May 8, 2012·8 cites·113 claims
- 1088US9039964B2Copper alloy sheet, and method of producing copper alloy sheetOISHI KEIICHIRO·Filed 2012·Granted May 26, 2015·3 cites·10 claims
- 1188US8986471B2High strength and high thermal conductivity copper alloy tube and method for producing the sameOISHI KEIICHIRO·Filed 2008·Granted Mar 24, 2015·5 cites·22 claims
- 1288US7608157B2Heat resistance copper alloy materialsMITSUBISHI SHINDO KK·Filed 2003·Granted Oct 27, 2009·18 cites·18 claims
- 1387US8956474B2Pressure resistant and corrosion resistant copper alloy, brazed structure, and method of manufacturing brazed structureMITSUBISHI SHINDO KK·Filed 2013·Granted Feb 17, 2015·5 cites·8 claims
- 1485US12071693B2Surface treatment method for copper or copper alloy, surface treatment liquid for sterilizing copper or copper alloy, and sterilization method using copper or copper alloy treated by said methodNAT INST MATERIALS SCIENCE·Filed 2022·Granted Aug 27, 2024·0 cites·12 claims
- 1583US11512370B2Free-cutting copper alloy and method for producing free-cutting copper alloyMITSUBISHI MATERIALS CORP·Filed 2019·Granted Nov 29, 2022·0 cites·5 claims
- 1683US9455058B2High-strength and high-electrical conductivity copper alloy rolled sheet and method of manufacturing the sameOISHI KEIICHIRO·Filed 2009·Granted Sep 27, 2016·5 cites·13 claims
- 1781US9303300B2Melt-solidified substance, copper alloy for melt-solidification and method of manufacturing the sameOISHI KEIICHIRO·Filed 2005·Granted Apr 5, 2016·3 cites·115 claims
- 1880US11434548B2Free-cutting copper alloy and method for producing free-cutting copper alloyMITSUBISHI MATERIALS CORP·Filed 2018·Granted Sep 6, 2022·0 cites·13 claims
- 1980US11421302B2Free-cutting copper alloy and method for producing free-cutting copper alloyMITSUBISHI MATERIALS CORP·Filed 2018·Granted Aug 23, 2022·0 cites·12 claims
- 2080US9163300B2High strength and high conductivity copper alloy pipe, rod, or wireOISHI KEIICHIRO·Filed 2009·Granted Oct 20, 2015·8 cites·32 claims
- 2179US11131009B2High-strength free-cutting copper alloy and method for producing high-strength free-cutting copper alloyMITSUBISHI MATERIALS CORP·Filed 2018·Granted Sep 28, 2021·0 cites·10 claims
- 2278US10538828B2Free-cutting copper alloy, and method for producing free-cutting copper alloyMITSUBISHI SHINDO KK·Filed 2017·Granted Jan 21, 2020·0 cites·10 claims
- 2378US7056396B2Copper/zinc alloys having low levels of lead and good machinabilitySAMBO COPPER ALLOY CO LTD·Filed 2001·Granted Jun 6, 2006·9 cites·14 claims
- 2477US11421301B2Free-cutting copper alloy casting and method for producing free-cutting copper alloy castingMITSUBISHI MATERIALS CORP·Filed 2017·Granted Aug 23, 2022·0 cites·12 claims
- 2577US11313013B2Free-cutting copper alloy and method for producing free-cutting copper alloyMITSUBISHI MATERIALS CORP·Filed 2017·Granted Apr 26, 2022·0 cites·9 claims
- 2677US11136648B2Free-cutting copper alloy, and method for producing free-cutting copper alloyMITSUBISHI MATERIALS CORP·Filed 2017·Granted Oct 5, 2021·0 cites·16 claims
- 2777US10538827B2Free-cutting copper alloy casting, and method for producing free-cutting copper alloy castingMITSUBISHI SHINDO KK·Filed 2017·Granted Jan 21, 2020·0 cites·18 claims
- 2877US2020190630A1Master alloy for casting a modified copper alloy and casting method using the sameMITSUBISHI SHINDO KK·Filed 2020·Application pending·0 cites
- 2976US11814712B2Free-cutting copper alloy and method for producing free-cutting copper alloyMITSUBISHI MATERIALS CORP·Filed 2020·Granted Nov 14, 2023·0 cites·21 claims
- 3076US9017491B2Hot-forged copper alloy partMITSUBISHI SHINDO KK·Filed 2012·Granted Apr 28, 2015·5 cites·36 claims
- 3176US2018155807A1Copper alloyMITSUBISHI SHINDO KK·Filed 2017·Application pending·0 cites
- 3275US2020308675A1Copper alloyMITSUBISHI SHINDO KK·Filed 2020·Application pending·0 cites
- 3375US2020308674A1Copper alloyMITSUBISHI SHINDO KK·Filed 2020·Application pending·0 cites
- 3473US8147751B2Silver-white copper alloy and process for producing the sameOISHI KEIICHIRO·Filed 2009·Granted Apr 3, 2012·1 cites·16 claims
- 3571US9873927B2Copper alloyMITSUBISHI SHINDO KK·Filed 2016·Granted Jan 23, 2018·0 cites·14 claims
- 3671US2016201164A1Copper alloyMITSUBISHI SHINDO KK·Filed 2014·Application pending·0 cites
- 3770US10570483B2Copper-based alloy casting in which grains are refinedMITSUBISHI SHINDO KK·Filed 2018·Granted Feb 25, 2020·0 cites·7 claims
- 3870US2015044089A1Copper/zinc alloys having low levels of lead and good machinabilityMITSUBISHI SHINDO KK·Filed 2014·Application pending·0 cites
- 3967US2015132179A1Master alloy for casting a modified copper alloy and casting method using the sameMITSUBISHI SHINDO KK·Filed 2014·Application pending·0 cites
- 4065US10266917B2Heat resistance copper alloy materialsOISHI KEIICHIRO·Filed 2009·Granted Apr 23, 2019·0 cites·21 claims
- 4165US10163539B2High strength and high conductivity copper alloy rod or wireMITSUBISHI SHINDO KK·Filed 2016·Granted Dec 25, 2018·0 cites·16 claims
- 4265US9970081B2Copper alloy and copper alloy sheetMITSUBISHI SHINDO KK·Filed 2014·Granted May 15, 2018·0 cites·9 claims
- 4365US2015122380A1Copper-alloy plate for terminal/connector material, and method for producing copper-alloy plate for terminal/connector materialMITSUBISHI SHINDO KK·Filed 2014·Application pending·0 cites
- 4465US2009294087A1Brass alloy as raw materials for semi solid metal castingMITSUBISHI SHINDO KK·Filed 2009·Application pending·0 cites
- 4564US11535939B2Surface treatment method for copper or copper alloy, surface treatment liquid for sterilizing copper or copper alloy, and sterilization method using copper or copper alloy treated by said methodNAT INST MATERIALS SCIENCE·Filed 2018·Granted Dec 27, 2022·0 cites·10 claims
- 4664US10020088B2Copper-alloy plate for terminal/connector material, and method for producing copper-alloy plate for terminal/connector materialMITSUBISHI SHINDO KK·Filed 2015·Granted Jul 10, 2018·0 cites·10 claims
- 4764US9121086B2Copper alloy sheet and method for manufacturing copper alloy sheetMITSUBISHI SHINDO KK·Filed 2014·Granted Sep 1, 2015·0 cites·8 claims
- 4864US9080228B2Copper alloy sheet and method for manufacturing copper alloy sheetOISHI KEIICHIRO·Filed 2012·Granted Jul 14, 2015·0 cites·8 claims
- 4964US2013276938A1Copper/zinc alloys having low levels of lead and good machinabilityMITSUBISHI SHINDO KK·Filed 2013·Application pending·0 cites
- 5063US10879538B2Oxygen evolution catalystTOYOTA CHUO KENKYUSHO KK·Filed 2019·Granted Dec 29, 2020·0 cites·4 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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