Inventor · disambiguated record
So Tanaka
Also filed as: TANAKA SO
43 granted patents·9 pending applications·1,014 citations·filing 1988–2025
98Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES34YAMAHA CORP8FUJI KIKO KK2APPLE INC1CORNELL RES FOUNDATION INC1
Top patents by PatentIndex Score
52 records- 0197US5430011ACrystal compensated superconducting thin film formed of oxide superconductor materialSUMITOMI ELECTRIC IND LTD·Filed 1992·Granted Jul 4, 1995·538 cites·7 claims
- 0289US9263527B2Silicon carbide semiconductor device and method of manufacturing sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Feb 16, 2016·10 cites·4 claims
- 0387US9944309B2Steering column deviceFUJI KIKO KK·Filed 2016·Granted Apr 17, 2018·7 cites·6 claims
- 0486US5501175AProcess for preparing high crystallinity oxide thin filmSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Mar 26, 1996·57 cites·16 claims
- 0583US7926351B2Pressure sensor and data input apparatusYAMAHA CORP·Filed 2008·Granted Apr 19, 2011·14 cites·30 claims
- 0683US6002080AElectronic wind instrument capable of diversified performance expressionYAHAMA CORP·Filed 1998·Granted Dec 14, 1999·63 cites·26 claims
- 0779US6031176AElectronic percussion instrument with tone color controlling system using a pad sensor and a rim sensorYAMAHA CORP·Filed 1997·Granted Feb 29, 2000·50 cites·22 claims
- 0877US6753467B2Simple electronic musical instrument, player's console and signal processing system incorporated thereinYAMAHA CORP·Filed 2002·Granted Jun 22, 2004·19 cites·29 claims
- 0975US9966249B2Silicon carbide semiconductor substrate and method for manufacturing sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted May 8, 2018·3 cites·18 claims
- 1073US7737043B2Inspection method of compound semiconductor substrate, compound semiconductor substrate, surface treatment method of compound semiconductor substrate, and method of producing compound semiconductor crystalSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted Jun 15, 2010·5 cites·13 claims
- 1172US5929361AWoodwind-styled electronic musical instrument with bite indicatorYAMAHA CORP·Filed 1998·Granted Jul 27, 1999·62 cites·5 claims
- 1270US10014258B2Silicon carbide semiconductor device having gate electrodeSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Jul 3, 2018·2 cites·15 claims
- 1370US6150677AMethod of crystal growth of compound semiconductor, compound semiconductor device and method of manufacturing the deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Nov 21, 2000·47 cites·8 claims
- 1470US2025347552A1Hit Detection Device and Musical InstrumentYAMAHA CORP·Filed 2025·Application pending·0 cites
- 1569US11393733B2Semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Jul 19, 2022·2 cites·5 claims
- 1666US10183689B2Steering column apparatusFUJI KIKO KK·Filed 2016·Granted Jan 22, 2019·2 cites·8 claims
- 1766US2025130707A1Devices, methods, and graphical user interfaces for content applicationsAPPLE INC·Filed 2024·Application pending·0 cites
- 1864US9691608B2Silicon carbide substrate, silicon carbide semiconductor device, and methods for manufacturing silicon carbide substrate and silicon carbide semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Jun 27, 2017·1 cites·16 claims
- 1963US5480861ALayered structure comprising insulator thin film and oxide superconductor thin filmSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Jan 2, 1996·16 cites·10 claims
- 2059US5446016AMethod for forming a patterned oxide superconductor thin filmSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Aug 29, 1995·19 cites·17 claims
- 2158US9831080B2Method for manufacturing semiconductor device including a heat treatment stepSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Nov 28, 2017·1 cites·9 claims
- 2258US2025296671A1Propulsion device control apparatusHONDA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 2353US10340344B2Silicon carbide semiconductor device and method for manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Jul 2, 2019·0 cites·16 claims
- 2453US9905653B2Silicon carbide semiconductor device and method for manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Feb 27, 2018·0 cites·4 claims
- 2553US4909116AElectronic musical instrument generating background musical toneYAMAHA CORP·Filed 1988·Granted Mar 20, 1990·15 cites·11 claims
- 2652US5113744AAutomatic performance apparatus having plural memory areasYAMAHA CORP·Filed 1991·Granted May 19, 1992·12 cites·8 claims
- 2750US2025069986A1Semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Application pending·0 cites
- 2850US2022250173A1Cutting tool with replaceable cutting head, cutting head, and tool main bodyMOLDINO TOOL ENGINEERING LTD·Filed 2020·Application pending·0 cites
- 2948USRE47779ESimple electronic musical instrument, player's console and signal processing system incorporated thereinYAMAHA CORP·Filed 2015·Granted Dec 24, 2019·0 cites·45 claims
- 3047US11417591B2Semiconductor moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Aug 16, 2022·0 cites·9 claims
- 3147US9887101B2Method for manufacturing semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Feb 6, 2018·0 cites·14 claims
- 3246US11325636B2Steering column deviceJTEKT CORP·Filed 2021·Granted May 10, 2022·0 cites·8 claims
- 3345US11387156B2Silicon carbide semiconductor device including a resin covering a silicon carbide semiconductor chipSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Jul 12, 2022·0 cites·5 claims
- 3444US5439875AProcess for preparing Josephson junction device having weak link of artificial grain boundarySUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Aug 8, 1995·9 cites·4 claims
- 3543US5629268AProcess for preparing a layered superconducting structureSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted May 13, 1997·10 cites·18 claims
- 3643US5354734AMethod for manufacturing an artificial grain boundary type Josephson junction deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Oct 11, 1994·9 cites·7 claims
- 3742US10608107B2Silicon carbide semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Mar 31, 2020·0 cites·7 claims
- 3842US2011049542A1AlxGa(1-x)As Substrate, Epitaxial Wafer for Infrared LEDs, Infrared LED, Method of Manufacturing AlxGa(1-x)As Substrate, Method of Manufacturing Epitaxial Wafer for Infrared LEDs, and Method of Manufacturing Infrared LEDsSUMITOMO ELECTRIC INDUSTRIES·Filed 2009·Application pending·0 cites
- 3942US2011062466A1AlxGa(1-x)As Substrate, Epitaxial Wafer for Infrared LEDs, Infrared LED, Method of Manufacturing AlxGa(1-x)As Substrate, Method of Manufacturing Epitaxial Wafer for Infrared LEDs, and Method of Manufacturing Infrared LEDsSUMITOMO ELECTRIC INDUSTRIES·Filed 2009·Application pending·0 cites
- 4042US2011042706A1AlxGa(1-x)As Substrate, Epitaxial Wafer for Infrared LEDs, Infrared LED, Method of Manufacturing AlxGa(1-x)As Substrate, Method of Manufacturing Epitaxial Wafer for Infrared LEDs, and Method of Manufacturing Infrared LEDsSUMITOMO ELECTRIC INDUSTRIES·Filed 2009·Application pending·0 cites
- 4141US2016056040A1Method for manufacturing silicon carbide semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Application pending·0 cites
- 4240US10381453B2Method for manufacturing silicon carbide semiconductor device and silicon carbide semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Aug 13, 2019·0 cites·13 claims
- 4340US5438037AMethod for depositing another thin film on an oxide thin film having perovskite crystal structureSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Aug 1, 1995·4 cites·18 claims
- 4439US7341786B2Indium-containing wafer and method of its manufactureSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Mar 11, 2008·0 cites·3 claims
- 4539US5413982AField effect transistor having c-axis channel layerSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted May 9, 1995·5 cites·15 claims
- 4638US5840204AMethod for patterning a layer on oxide superconductor thin film and superconducting device manufactured therebySUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Nov 24, 1998·5 cites·6 claims
- 4737US5910339AFabrication of atomic step-free surfacesCORNELL RES FOUNDATION INC·Filed 1996·Granted Jun 8, 1999·11 cites·8 claims
- 4837US5571777ASuperconducting thin film having at least one isolated superconducting region formed of oxide superconductor material and method for manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Nov 5, 1996·6 cites·10 claims
- 4936US8113894B2Outboard engine unitKURODA TATSUYA·Filed 2010·Granted Feb 14, 2012·0 cites·3 claims
- 5035US5552374AOxide superconducting a transistor in crank-shaped configurationSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Sep 3, 1996·3 cites·9 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →