Inventor · disambiguated record
Ryota Sekiguchi
Also filed as: SEKIGUCHI RYOTA
51 granted patents·10 pending applications·245 citations·filing 2005–2023
98Inventor score
Top patents by PatentIndex Score
61 records- 0195US9184697B2Oscillation deviceCANON KK·Filed 2014·Granted Nov 10, 2015·22 cites·13 claims
- 0295US7386024B2Quantum cascade laser deviceCANON KK·Filed 2005·Granted Jun 10, 2008·27 cites·10 claims
- 0393US7463104B2Frequency tunable oscillatorCANON KK·Filed 2006·Granted Dec 9, 2008·20 cites·8 claims
- 0492US7709797B2Detection device and image forming deviceCANON KK·Filed 2007·Granted May 4, 2010·16 cites·11 claims
- 0591US7693198B2Laser deviceCANON KK·Filed 2007·Granted Apr 6, 2010·15 cites·16 claims
- 0690US7924107B2Resonant tunneling structureCANON KK·Filed 2008·Granted Apr 12, 2011·18 cites·15 claims
- 0789US8779864B2Oscillator having negative resistance elementOUCHI TOSHIHIKO·Filed 2010·Granted Jul 15, 2014·9 cites·16 claims
- 0889US7933305B2Device for generating or detecting electromagnetic radiation, and fabrication method of the sameCANON KK·Filed 2006·Granted Apr 26, 2011·11 cites·12 claims
- 0988US7889015B2Oscillation deviceCANON KK·Filed 2007·Granted Feb 15, 2011·10 cites·5 claims
- 1088US7684455B2Oscillator and imaging apparatus utilizing resonant tunneling diode structureCANON KK·Filed 2007·Granted Mar 23, 2010·14 cites·14 claims
- 1185US7839910B2Laser deviceCANON KK·Filed 2008·Granted Nov 23, 2010·7 cites·11 claims
- 1285US7684044B2Sensor deviceCANON KK·Filed 2006·Granted Mar 23, 2010·10 cites·17 claims
- 1384US7511512B2Probe and near-field microscopeCANON KK·Filed 2007·Granted Mar 31, 2009·9 cites·8 claims
- 1482US7869036B2Analysis apparatus for analyzing a specimen by obtaining electromagnetic spectrum informationCANON KK·Filed 2008·Granted Jan 11, 2011·12 cites·10 claims
- 1580US8125281B2ResonatorSEKIGUCHI RYOTA·Filed 2010·Granted Feb 28, 2012·5 cites·19 claims
- 1678US8896389B2Oscillation circuit having negative resistance element and oscillator using the oscillation circuitKOYAMA YASUSHI·Filed 2010·Granted Nov 25, 2014·4 cites·14 claims
- 1777US11332063B2Vehicle lighting control apparatus, vehicle lighting control method, and computer readable mediumMITSUBISHI ELECTRIC CORP·Filed 2018·Granted May 17, 2022·2 cites·8 claims
- 1877US9437646B2Detecting device, detector, and imaging apparatus using the sameCANON KK·Filed 2013·Granted Sep 6, 2016·1 cites·20 claims
- 1977US9197156B2Oscillation element, oscillator, and imaging apparatus using the sameCANON KK·Filed 2013·Granted Nov 24, 2015·3 cites·25 claims
- 2077US8451069B2Oscillator having negative resistance device for generating electromagnetic waveSEKIGUCHI RYOTA·Filed 2010·Granted May 28, 2013·4 cites·6 claims
- 2170US7683325B2Image forming apparatusCANON KK·Filed 2009·Granted Mar 23, 2010·7 cites·7 claims
- 2268US11117511B2Vehicle lighting control apparatus, vehicle lighting control method, and computer readable mediumMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Sep 14, 2021·1 cites·9 claims
- 2368US7881352B2Laser deviceCANON KK·Filed 2008·Granted Feb 1, 2011·2 cites·9 claims
- 2467US8410860B2Oscillator with resonator generating terahertz waveKOYAMA YASUSHI·Filed 2010·Granted Apr 2, 2013·2 cites·12 claims
- 2567US7907024B2Resonant tunneling diode oscillation device and inspection apparatusCANON KK·Filed 2008·Granted Mar 15, 2011·4 cites·12 claims
- 2665US8319565B2Resonator tunnel deviceSEKIGUCHI RYOTA·Filed 2010·Granted Nov 27, 2012·2 cites·16 claims
- 2764US9961280B2Image forming apparatus and imaging systemCANON KK·Filed 2014·Granted May 1, 2018·2 cites·17 claims
- 2862US10277167B2Oscillation element and oscillator using the sameCANON KK·Filed 2015·Granted Apr 30, 2019·1 cites·21 claims
- 2961US9797778B2Active terahertz imagerCANON KK·Filed 2014·Granted Oct 24, 2017·1 cites·19 claims
- 3059US9018672B2Semiconductor device comprising a semiconductor element having two electrodesCANON KK·Filed 2013·Granted Apr 28, 2015·1 cites·13 claims
- 3159US8089997B2Laser deviceASADA MASAHIRO·Filed 2010·Granted Jan 3, 2012·1 cites·11 claims
- 3258US8816785B2OscillatorSEKIGUCHI RYOTA·Filed 2011·Granted Aug 26, 2014·1 cites·9 claims
- 3357US9349881B2Diode element and detecting deviceSEKIGUCHI RYOTA·Filed 2012·Granted May 24, 2016·1 cites·17 claims
- 3456US11804135B2Object recognition apparatus, object recognition method, and computer readable mediumMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Oct 31, 2023·0 cites·12 claims
- 3556US2023206600A1Information processing system, information processing device, non-transitory computer-readable medium, and information processing methodMITSUBISHI ELECTRIC CORP·Filed 2023·Application pending·0 cites
- 3655US2012236307A1Photoconductive elementSEKIGUCHI RYOTA·Filed 2012·Application pending·0 cites
- 3754US2021210846A1Radar deviceMITSUBISHI ELECTRIC CORP·Filed 2021·Application pending·0 cites
- 3853US12417612B2Rail detecting device and rail detection methodMITSUBISHI ELECTRIC CORP·Filed 2023·Granted Sep 16, 2025·0 cites·17 claims
- 3953US2016094183A1Electromagnetic wave generation device and detection deviceCANON KK·Filed 2015·Application pending·0 cites
- 4052US9236833B2Electromagnetic wave generation device and detection deviceCANON KK·Filed 2014·Granted Jan 12, 2016·0 cites·10 claims
- 4151US8982342B2Method and apparatus for calculating a refractive index, material for calculating a refractive index, and a tomography apparatusCANON KK·Filed 2013·Granted Mar 17, 2015·0 cites·18 claims
- 4251US8981859B2OscillatorCANON KK·Filed 2013·Granted Mar 17, 2015·0 cites·20 claims
- 4351US7957443B2Laser deviceCANON KK·Filed 2010·Granted Jun 7, 2011·0 cites·4 claims
- 4451US2016041091A1Oscillation element, oscillator, and imaging apparatus using the sameCANON KK·Filed 2015·Application pending·0 cites
- 4551US2021333387A1Measuring device, measuring method, and computer readable mediumMITSUBISHI ELECTRIC CORP·Filed 2021·Application pending·0 cites
- 4650US9231521B2OscillatorCANON KK·Filed 2014·Granted Jan 5, 2016·0 cites·12 claims
- 4750US7864828B2Laser deviceCANON KK·Filed 2009·Granted Jan 4, 2011·0 cites·7 claims
- 4848US9786806B2Semiconductor device and method for manufacturing the sameCANON KK·Filed 2014·Granted Oct 10, 2017·0 cites·16 claims
- 4947US9244331B2Electromagnetic wave generating device, electromagnetic wave detecting device, and time-domain spectroscopy apparatusSEKIGUCHI RYOTA·Filed 2011·Granted Jan 26, 2016·0 cites·18 claims
- 5047US9087935B2Detector having a Schottky barrier portion and a barrier portion having a rectifying propertySEKIGUCHI RYOTA·Filed 2009·Granted Jul 21, 2015·0 cites·11 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →