Inventor · disambiguated record
Masafumi Ishii
Also filed as: ISHII MASAFUMI
3 granted patents·9 pending applications·11 citations·filing 2006–2019
61Inventor score
Top patents by PatentIndex Score
12 records- 0190US9955583B2Surface-treated copper foil, copper foil with carrier, substrate, resin substrate, printed wiring board, copper clad laminate and method for producing printed wiring boardJX NIPPON MINING & METALS CORP·Filed 2014·Granted Apr 24, 2018·10 cites·11 claims
- 0268US2020095699A1Copper sulfate, copper sulfate solution, plating solution, method for producing copper sulfate, method for producing semiconductor circuit board, and method for producing electronic apparatusJX NIPPON MINING & METALS CORP·Filed 2019·Application pending·0 cites
- 0367US10519558B2Copper sulfate, copper sulfate solution, plating solution, method for producing copper sulfate, method for producing semiconductor circuit board, and method for producing electronic apparatusJX NIPPON MINING & METALS CORP·Filed 2018·Granted Dec 31, 2019·0 cites·9 claims
- 0467US2020036010A1Negative electrode current collector for secondary batteryJX NIPPON MINING & METALS CORP·Filed 2019·Application pending·0 cites
- 0562US10178775B2Copper foil provided with carrier, laminate, printed wiring board, and method for fabricating printed wiring boardJX NIPPON MINING & METALS CORP·Filed 2016·Granted Jan 8, 2019·1 cites·21 claims
- 0659US2018279482A1Surface-treated copper foil, copper foil with carrier, substrate, resin substrate, printed wiring board, copper clad laminate and method for producing printed wiring boardJX NIPPON MINING & METALS CORP·Filed 2018·Application pending·0 cites
- 0756US2014346048A1Electrolytic Copper Foil, and Negative Electrode Current Collector for Secondary BatteryJX NIPPON MINING & METALS CORP·Filed 2013·Application pending·0 cites
- 0842US2018264783A1Metal Foil, Metal Foil Having Release Layer, Laminated Material, Printed Wiring Board, Semiconductor Package, Electronic Device, And Method For Producing Printed Wiring BoardJX NIPPON MINING & METALS CORP·Filed 2016·Application pending·0 cites
- 0937US2012262361A1Remote Monitoring and Control System, Approach, and ProgramKITAGAWA KATSUHIDE·Filed 2012·Application pending·0 cites
- 1035US2018282891A1Copper sulfate, copper sulfate solution, plating solution, method for producing copper sulfate, method for producing semiconductor circuit board, and method for producing electronic apparatusJX NIPPON MINING & METALS CORP·Filed 2018·Application pending·0 cites
- 1133US2014030591A1Electrolytic copper foil for an anode of a negative electrode collector in a secondary battery and method of producing the sameKOHIKI MICHIYA·Filed 2012·Application pending·0 cites
- 1228US2009025464A1Surface-roughness/contour measuring apparatusISHII MASAFUMI·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →