Inventor · disambiguated record
Masakazu Yamagiwa
Also filed as: YAMAGIWA MASAKAZU
45 granted patents·31 pending applications·66 citations·filing 2008–2025
96Inventor score
Top patents by PatentIndex Score
76 records- 0197US10961632B2Carbon dioxide electrolytic device and method of electrolyzing carbon dioxideTOSHIBA KK·Filed 2018·Granted Mar 30, 2021·12 cites·15 claims
- 0296US11130723B2Carbon dioxide electrolytic deviceTOSHIBA KK·Filed 2020·Granted Sep 28, 2021·3 cites·7 claims
- 0396US10865490B2Carbon dioxide electrolytic deviceTOSHIBA KK·Filed 2019·Granted Dec 15, 2020·7 cites·15 claims
- 0496US10208385B2Carbon dioxide electrolytic device and carbon dioxide electrolytic methodTOSHIBA KK·Filed 2017·Granted Feb 19, 2019·9 cites·13 claims
- 0593US11255020B2Carbon dioxide electrolytic systemTOSHIBA KK·Filed 2019·Granted Feb 22, 2022·4 cites·11 claims
- 0692US10883180B2Electrochemical reaction deviceTOSHIBA KK·Filed 2018·Granted Jan 5, 2021·4 cites·15 claims
- 0791US10981848B2Carbon dioxide electrolytic device and method of electrolyzing carbon dioxideTOSHIBA KK·Filed 2019·Granted Apr 20, 2021·3 cites·14 claims
- 0890US10344388B2CO2 reduction catalyst, CO2 reduction electrode, CO2 reduction reaction apparatus, and process for producing CO2 reduction catalystTOSHIBA KK·Filed 2016·Granted Jul 9, 2019·2 cites·9 claims
- 0989US11293109B2Carbon dioxide electrolytic deviceTOSHIBA KK·Filed 2020·Granted Apr 5, 2022·2 cites·16 claims
- 1088US11339482B2Reduction catalyst body for carbon dioxide and manufacturing method thereof, reduction electrode, and reduction reaction deviceTOSHIBA KK·Filed 2018·Granted May 24, 2022·2 cites·6 claims
- 1186US12247304B2Electrochemical reaction deviceTOSHIBA KK·Filed 2023·Granted Mar 11, 2025·0 cites·17 claims
- 1284US2024124995A1Electrochemical reaction device and valuable material manufacturing systemTOSHIBA KK·Filed 2023·Application pending·0 cites
- 1383US11230772B2Carbon dioxide electrolytic device and method of electrolyzing carbon dioxideTOSHIBA KK·Filed 2019·Granted Jan 25, 2022·1 cites·15 claims
- 1483US10494725B2Electrochemical reaction deviceTOSHIBA KK·Filed 2017·Granted Dec 3, 2019·1 cites·9 claims
- 1582US7738752B2Optical waveguide systemTOSHIBA KK·Filed 2009·Granted Jun 15, 2010·7 cites·6 claims
- 1681US2023243052A1Oxidation electrode and electrochemical reaction device using the sameTOSHIBA KK·Filed 2023·Application pending·0 cites
- 1780US2025341009A1Electrode catalyst layer for carbon dioxide electrolysis cell, electrolysis cell and carbon dioxide electrolysis apparatus comprising the sameTOSHIBA KK·Filed 2025·Application pending·0 cites
- 1878US11946150B2Electrochemical reaction deviceTOSHIBA KK·Filed 2022·Granted Apr 2, 2024·0 cites·10 claims
- 1978US11085124B2Electrochemical reaction deviceTOSHIBA KK·Filed 2019·Granted Aug 10, 2021·1 cites·11 claims
- 2076US10550488B2Reduction catalyst, reduction reactor and reduction methodTOSHIBA KK·Filed 2017·Granted Feb 4, 2020·1 cites·14 claims
- 2174US11434575B2Reduction electrode and manufacturing method thereof, and electrolytic deviceTOSHIBA KK·Filed 2019·Granted Sep 6, 2022·0 cites·10 claims
- 2274US2025043449A1Electrolysis device simulator, simulation method, and electrolysis deviceTOSHIBA KK·Filed 2024·Application pending·0 cites
- 2373US10465303B2Producing system of reduction productTOSHIBA KK·Filed 2016·Granted Nov 5, 2019·1 cites·12 claims
- 2473US2025092549A1Electrolysis device, electrolysis system, and method of operating electrolysis deviceTOSHIBA KK·Filed 2024·Application pending·0 cites
- 2573US2024110299A1Support, electrode, membrane electrode assembly, electrochemical cell, stack, and electrolyzerTOSHIBA KK·Filed 2023·Application pending·0 cites
- 2672US12098470B2Electrochemical reaction deviceTOSHIBA KK·Filed 2021·Granted Sep 24, 2024·0 cites·19 claims
- 2772US2024110298A1Electrode, membrane electrode assembly, electrochemical cell, stack, and electrolyzerTOSHIBA KK·Filed 2023·Application pending·0 cites
- 2871US9378962B2Nonvolatile semiconductor storage device having a charge storage layer that includes metal grainsHATTORI SHIGEKI·Filed 2012·Granted Jun 28, 2016·3 cites·18 claims
- 2971US2020002827A1Oxidation electrode and electrochemical reaction device using the sameTOSHIBA KK·Filed 2019·Application pending·0 cites
- 3070US11795557B2Electrochemical reaction deviceTOSHIBA KK·Filed 2020·Granted Oct 24, 2023·0 cites·19 claims
- 3169US12012663B2Carbon dioxide electrolysis deviceTOSHIBA KK·Filed 2021·Granted Jun 18, 2024·0 cites·14 claims
- 3269US2020087803A1Electrochemical reaction deviceTOSHIBA KK·Filed 2019·Application pending·0 cites
- 3368US12241170B2Carbon dioxide electrolytic deviceTOSHIBA KK·Filed 2022·Granted Mar 4, 2025·0 cites·17 claims
- 3468US2019010617A1Photoelectrode, method of manufacturing the same, and photoelectrochemical reaction device including the sameTOSHIBA KK·Filed 2018·Application pending·0 cites
- 3568US2021079542A1Electrochemical reaction device and valuable material manufacturing systemTOSHIBA KK·Filed 2020·Application pending·0 cites
- 3666US7972539B2Process for producing metallic-nanoparticle inorganic composite and metallic-nanoparticle inorganic compositeTOSHIBA KK·Filed 2008·Granted Jul 5, 2011·2 cites·11 claims
- 3765US11098409B2Electrolytic cell and electrolytic device for carbon dioxideTOSHIBA KK·Filed 2019·Granted Aug 24, 2021·0 cites·12 claims
- 3865US2021292921A1Electrode catalyst layer for carbon dioxide electrolysis cell, electrolysis cell and carbon dioxide electrolysis apparatus comprising the sameTOSHIBA KK·Filed 2020·Application pending·0 cites
- 3964US2018274114A1Electrochemical reaction deviceTOSHIBA KK·Filed 2017·Application pending·0 cites
- 4064US2023304171A1Electrolytic device and method of driving electrolytic deviceTOSHIBA KK·Filed 2022·Application pending·0 cites
- 4164US2018265440A1Carbon dioxide electrolytic deviceTOSHIBA KK·Filed 2017·Application pending·0 cites
- 4262US11781231B2Carbon dioxide electrolytic device and method of electrolyzing carbon dioxideTOSHIBA KK·Filed 2021·Granted Oct 10, 2023·0 cites·20 claims
- 4362US10544513B2Electrochemical reaction deviceTOSHIBA KK·Filed 2019·Granted Jan 28, 2020·0 cites·8 claims
- 4462US2017130343A1Photoelectrode, method of manufacturing the same, and photoelectrochemical reaction device including the sameTOSHIBA KK·Filed 2017·Application pending·0 cites
- 4562US2022298652A1Carbon dioxide electrolysis device and method of operating carbon dioxide electrolysis deviceTOSHIBA KK·Filed 2021·Application pending·0 cites
- 4661US2017073824A1Reduction electrode and manufacturing method thereof, and electrolytic deviceTOSHIBA KK·Filed 2016·Application pending·0 cites
- 4760US12454764B2Electrode catalyst layer for carbon dioxide electrolysis cell, electrolysis cell and carbon dioxide electrolysis apparatus comprising the sameTOSHIBA KK·Filed 2019·Granted Oct 28, 2025·0 cites·19 claims
- 4860US10829861B2Reduction catalyst, and chemical reactor, reduction method and reduction product-producing system employing the catalystTOSHIBA KK·Filed 2017·Granted Nov 10, 2020·0 cites·14 claims
- 4959US2023083090A1Carbon dioxide electrolytic device, method of electrolyzing carbon dioxide, and valuable material manufacturing systemTOSHIBA KK·Filed 2022·Application pending·0 cites
- 5058US12354321B2Data processing device, data processing method, and data processing program for evaluation an object based on a persistence diagram from time-series image dataTOSHIBA KK·Filed 2022·Granted Jul 8, 2025·0 cites·14 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →