Inventor · disambiguated record
Eiji Nakazawa
Also filed as: NAKAZAWA EIJI
28 granted patents·12 pending applications·481 citations·filing 1979–2025
96Inventor score
Top patents by PatentIndex Score
40 records- 0190US4742369AElectronic still cameraCASIO COMPUTER CO LTD·Filed 1987·Granted May 3, 1988·103 cites·14 claims
- 0289US10615455B2Non-aqueous electrolytic solution and non-aqueous electrolyte secondary battery using the sameMITSUBISHI CHEM CORP·Filed 2017·Granted Apr 7, 2020·4 cites·13 claims
- 0388US6813605B2Methods and systems for selling voice dataCASIO COMPUTER CO LTD·Filed 2001·Granted Nov 2, 2004·49 cites·8 claims
- 0487US6249303B1Recording deviceNISCA CORP·Filed 1999·Granted Jun 19, 2001·51 cites·26 claims
- 0586US11296357B2Non-aqueous electrolytic solution and non-aqueous electrolyte secondary battery using the sameMITSUBISHI CHEM CORP·Filed 2019·Granted Apr 5, 2022·2 cites·15 claims
- 0686US2024128511A1Nonaqueous electrolyte solution and nonaqueous electrolyte battery using sameMITSUBISHI CHEM CORP·Filed 2023·Application pending·0 cites
- 0785US10424812B2Non-aqueous electrolytic solution and non-aqueous electrolyte secondary battery using the sameMITSUBISHI CHEM CORP·Filed 2017·Granted Sep 24, 2019·2 cites·10 claims
- 0885US5014317ARecording/reproducing apparatus with voice recognition functionCASIO COMPUTER CO LTD·Filed 1990·Granted May 7, 1991·67 cites·7 claims
- 0983US2025260058A1Nonaqueous electrolyte solution and nonaqueous-electrolytic-solution batteryMITSUBISHI CHEM CORP·Filed 2025·Application pending·0 cites
- 1083US2024154170A1Nonaqueous electrolyte, nonaqueous electrolyte secondary battery, and energy deviceMITSUBISHI CHEM CORP·Filed 2024·Application pending·0 cites
- 1180US11942601B2Nonaqueous electrolyte solution and nonaqueous electrolyte battery using sameMITSUBISHI CHEM CORP·Filed 2022·Granted Mar 26, 2024·0 cites·10 claims
- 1277US12418046B2Nonaqueous electrolyte solutionMITSUBISHI CHEM CORP·Filed 2022·Granted Sep 16, 2025·0 cites·19 claims
- 1373US11424482B2Nonaqueous electrolyte solution and nonaqueous electrolyte battery using sameMITSUBISHI CHEM CORP·Filed 2019·Granted Aug 23, 2022·0 cites·7 claims
- 1472USD351378SLight radiation reader for a light permeable documentNISCA CORP·Filed 1993·Granted Oct 11, 1994·16 cites·1 claims
- 1571US9947965B2Nonaqueous electrolyte solution and nonaqueous electrolyte battery using sameMITSUBISHI CHEM CORP·Filed 2015·Granted Apr 17, 2018·1 cites·10 claims
- 1670US4956664AImage processing apparatus having an overhead projectorRISO KAGAKU CORP·Filed 1989·Granted Sep 11, 1990·11 cites·14 claims
- 1768US2023125746A1Nonaqueous Electrolytic Solution and Nonaqueous Electrolytic Solution BatteryMITSUBISHI CHEM CORP·Filed 2022·Application pending·0 cites
- 1868US2023387464A1Nonaqueous Electrolytic Solution and Nonaqueous Electrolytic Solution BatteryMU IONIC SOLUTIONS CORP·Filed 2023·Application pending·0 cites
- 1965US12438598B1System, communication device, program, and control methodSOFTBANK CORP·Filed 2022·Granted Oct 7, 2025·0 cites·20 claims
- 2064US4652140AMulti alarm timepieceCASIO COMPUTER CO LTD·Filed 1986·Granted Mar 24, 1987·20 cites·8 claims
- 2163US12063526B2System, information-providing device, program, and information-providing methodSOFTBANK CORP·Filed 2023·Granted Aug 13, 2024·0 cites·19 claims
- 2261US11902008B2Control device, program, system, and control methodHAPSMOBILE INC·Filed 2023·Granted Feb 13, 2024·0 cites·18 claims
- 2361US2022209300A1Non-aqueous electrolyte solution, and non-aqueous electrolyte secondary batteryMITSUBISHI CHEM CORP·Filed 2022·Application pending·0 cites
- 2460USD350343SImage processing machine for inputting recording medium into a personal computerNISCA CORP·Filed 1992·Granted Sep 6, 1994·11 cites·1 claims
- 2560US5212636ARadio receiver capable of confirming gambling resultsCASIO COMPUTER CO LTD·Filed 1989·Granted May 18, 1993·84 cites·35 claims
- 2660US2015364794A1Nonaqueous electrolyte solution and nonaqueous electrolyte battery using sameMITSUBISHI CHEM CORP·Filed 2015·Application pending·0 cites
- 2759US12482366B2Data processing apparatus, computer readable storage medium, and data processing methodSOFTBANK CORP·Filed 2023·Granted Nov 25, 2025·0 cites·20 claims
- 2859US2020220222A1Nonaqueous electrolyte, nonaqueous electrolyte secondary battery, and energy deviceMITSUBISHI CHEM CORP·Filed 2020·Application pending·0 cites
- 2957USRE40269ERecording deviceNISCA CORP·Filed 2003·Granted Apr 29, 2008·4 cites·51 claims
- 3057US2023127105A1Nonaqueous Electrolytic Solution and Nonaqueous Electrolytic Solution BatteryMITSUBISHI CHEM CORP·Filed 2022·Application pending·0 cites
- 3154US2002165772A1Settlement system and server apparatusFiled 2001·Application pending·0 cites
- 3252US4657405AStop watch capable of indicating a plurality of split timesCASIO COMPUTER CO LTD·Filed 1986·Granted Apr 14, 1987·12 cites·13 claims
- 3349US5010420AImage processing apparatusRISO KAGAKU CORP·Filed 1989·Granted Apr 23, 1991·10 cites·7 claims
- 3445US2021020991A1Nonaqueous electrolyte solution and nonaqueous electrolyte batteryMITSUBISHI CHEM CORP·Filed 2020·Application pending·0 cites
- 3539US4384790AAlarm device for electronic watchesCASIO COMPUTER CO LTD·Filed 1981·Granted May 24, 1983·6 cites·5 claims
- 3639US2001011025A1Receiver wearable on user's wristFiled 2001·Application pending·0 cites
- 3737US5274798AElectronic apparatus with communication function having power source system with two voltage output levelsCASIO COMPUTER CO LTD·Filed 1990·Granted Dec 28, 1993·10 cites·13 claims
- 3834US5438679AData storage apparatus having volatile memory and nonvolatile memory and data indication means for indicating memory storing dataCASIO COMPUTER CO LTD·Filed 1991·Granted Aug 1, 1995·14 cites·28 claims
- 3932US5729359AImage reading apparatusNISCA CORP·Filed 1995·Granted Mar 17, 1998·4 cites·20 claims
- 4031US4322830AElectronic timepiece having an alarm unitCASIO COMPUTER CO LTD·Filed 1979·Granted Mar 30, 1982·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →