Inventor · disambiguated record
Yasushi Koyama
Also filed as: KOYAMA YASUSHI
47 granted patents·15 pending applications·205 citations·filing 2004–2025
97Inventor score
Top patents by PatentIndex Score
62 records- 0198US11626839B2Device emitting or detecting terahertz waves, and manufacturing method for deviceCANON KK·Filed 2020·Granted Apr 11, 2023·5 cites·25 claims
- 0296US11831063B2Element having antenna array structureCANON KK·Filed 2022·Granted Nov 28, 2023·4 cites·17 claims
- 0395US9184697B2Oscillation deviceCANON KK·Filed 2014·Granted Nov 10, 2015·22 cites·13 claims
- 0491US7109494B2Deflector, method of manufacturing deflector, and charged particle beam exposure apparatus using deflectorHITACHI HIGH TECH CORP·Filed 2004·Granted Sep 19, 2006·45 cites·25 claims
- 0590US9391428B2Waveguide elementCANON KK·Filed 2014·Granted Jul 12, 2016·10 cites·22 claims
- 0690US7924107B2Resonant tunneling structureCANON KK·Filed 2008·Granted Apr 12, 2011·18 cites·15 claims
- 0789US12394882B2Antenna device and camera systemCANON KK·Filed 2023·Granted Aug 19, 2025·1 cites·30 claims
- 0889US7686746B2Training apparatusWORLD WING ENTPR CORP·Filed 2007·Granted Mar 30, 2010·41 cites·12 claims
- 0987US8481945B2Optical frequency converterKOYAMA YASUSHI·Filed 2011·Granted Jul 9, 2013·6 cites·14 claims
- 1082US8805147B2Waveguide, apparatus including the waveguide, and method of manufacturing the waveguideKOYAMA YASUSHI·Filed 2012·Granted Aug 12, 2014·5 cites·18 claims
- 1181US11621788B2Terahertz wave camera system, entry/exit management apparatus, and method for controlling terahertz wave camera systemCANON KK·Filed 2021·Granted Apr 4, 2023·1 cites·19 claims
- 1281US11011663B2Semiconductor element for oscillating or detecting terahertz wave and manufacturing method of semiconductor elementCANON KK·Filed 2019·Granted May 18, 2021·1 cites·12 claims
- 1380US8125281B2ResonatorSEKIGUCHI RYOTA·Filed 2010·Granted Feb 28, 2012·5 cites·19 claims
- 1479US11808699B2Imaging systemCANON KK·Filed 2021·Granted Nov 7, 2023·1 cites·20 claims
- 1578US9899959B2Element, and oscillator and information acquiring device including the elementCANON KK·Filed 2016·Granted Feb 20, 2018·4 cites·11 claims
- 1678US8896389B2Oscillation circuit having negative resistance element and oscillator using the oscillation circuitKOYAMA YASUSHI·Filed 2010·Granted Nov 25, 2014·4 cites·14 claims
- 1776US12313731B2Processing systemCANON KK·Filed 2023·Granted May 27, 2025·0 cites·21 claims
- 1876US9958330B2Sensor and information acquisition apparatus using sensorCANON KK·Filed 2015·Granted May 1, 2018·2 cites·20 claims
- 1975US12237811B2Device emitting or detecting terahertz waves, and manufacturing method for deviceCANON KK·Filed 2023·Granted Feb 25, 2025·0 cites·17 claims
- 2075US12218441B2Element having antenna array structureCANON KK·Filed 2023·Granted Feb 4, 2025·0 cites·17 claims
- 2174US9998074B2Element that oscillates or detects terahertz wavesCANON KK·Filed 2015·Granted Jun 12, 2018·2 cites·15 claims
- 2270US8127467B2Sole, and footwear provided with the sameKOYAMA YASUSHI·Filed 2007·Granted Mar 6, 2012·10 cites·20 claims
- 2369US9379665B2OscillatorCANON KK·Filed 2014·Granted Jun 28, 2016·2 cites·14 claims
- 2468US7622999B2Electromagnetic-wave oscillatorCANON KK·Filed 2007·Granted Nov 24, 2009·4 cites·9 claims
- 2567US8410860B2Oscillator with resonator generating terahertz waveKOYAMA YASUSHI·Filed 2010·Granted Apr 2, 2013·2 cites·12 claims
- 2666US12261380B2Semiconductor elementCANON KK·Filed 2023·Granted Mar 25, 2025·0 cites·20 claims
- 2765US8319565B2Resonator tunnel deviceSEKIGUCHI RYOTA·Filed 2010·Granted Nov 27, 2012·2 cites·16 claims
- 2865US7952441B2Electromagnetic-wave oscillatorCANON KK·Filed 2009·Granted May 31, 2011·3 cites·7 claims
- 2964US12388165B2Antenna apparatus, communication apparatus, and image capturing systemCANON KK·Filed 2023·Granted Aug 12, 2025·0 cites·23 claims
- 3064US2020296265A1Processing systemCANON KK·Filed 2020·Application pending·0 cites
- 3163US2023262312A1Movable bodyCANON KK·Filed 2023·Application pending·0 cites
- 3260US10594260B2Element that oscillates or detects terahertz wavesCANON KK·Filed 2018·Granted Mar 17, 2020·0 cites·11 claims
- 3359US9018672B2Semiconductor device comprising a semiconductor element having two electrodesCANON KK·Filed 2013·Granted Apr 28, 2015·1 cites·13 claims
- 3457US11496095B2OscillatorCANON KK·Filed 2021·Granted Nov 8, 2022·0 cites·18 claims
- 3557US7892153B2Training apparatusWORLD WING ENTPR CORP·Filed 2010·Granted Feb 22, 2011·1 cites·1 claims
- 3657US2024379591A1Semiconductor device, communication apparatus, and image capturing systemCANON KK·Filed 2024·Application pending·0 cites
- 3756US2023207500A1High-frequency circuit device and detection systemCANON KK·Filed 2022·Application pending·0 cites
- 3855US12420136B2Load transmission mechanism unit for training device, and training device using sameWORLD WING ENTPR CO LTD·Filed 2023·Granted Sep 23, 2025·0 cites·14 claims
- 3954US8460117B2Power transmission deviceOHTSUKA JUNJI·Filed 2008·Granted Jun 11, 2013·2 cites·2 claims
- 4054US7737402B2Distance adjusting apparatus and method, and object examining apparatus and methodCANON KK·Filed 2008·Granted Jun 15, 2010·1 cites·17 claims
- 4154US2024387573A1Photoelectric conversion apparatus and photoelectric conversion systemCANON KK·Filed 2024·Application pending·0 cites
- 4253US9553211B2Schottky barrier diode and apparatus using the sameCANON KK·Filed 2013·Granted Jan 24, 2017·0 cites·22 claims
- 4353US2024387453A1Photoelectric conversion apparatus and photoelectric conversion systemCANON KK·Filed 2024·Application pending·0 cites
- 4453US2024387571A1Photoelectric conversion device and equipmentCANON KK·Filed 2024·Application pending·0 cites
- 4553US2025030148A1Antenna apparatus, communication apparatus, and image capturing systemCANON KK·Filed 2024·Application pending·0 cites
- 4653US2025030426A1Antenna apparatus, communication apparatus, and image capturing systemCANON KK·Filed 2024·Application pending·0 cites
- 4752US12355147B2Element, and terahertz camera system using elementCANON KK·Filed 2023·Granted Jul 8, 2025·0 cites·36 claims
- 4852US2020296266A1Movable bodyCANON KK·Filed 2020·Application pending·0 cites
- 4951US8981859B2OscillatorCANON KK·Filed 2013·Granted Mar 17, 2015·0 cites·20 claims
- 5050US11258156B2Element used for an oscillation or detection of a terahertz waveCANON KK·Filed 2020·Granted Feb 22, 2022·0 cites·32 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Yasushi Koyama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →