Inventor
Yasushi Koyama
Inventor
Kamakura, JP
Overview
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Bprimary
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner22%
H01QAntennas, i.e. radio aerials10%
B82YSpecific uses or applications of nanostructures6%
H01LSemiconductor devices6%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light6%
H10DInorganic electric semiconductor devices6%
G02BOptical elements, systems or apparatus4%
H01PWaveguides4%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
PatentTitleYear
11,011,663Semiconductor element for oscillating or detecting terahertz wave and manufacturing method of semiconductor element202110,951,167Semiconductor device202110,833,389Element used for an oscillation or detection of a terahertz wave202010,594,260Element that oscillates or detects terahertz waves20209,998,074Element that oscillates or detects terahertz waves20189,958,330Sensor and information acquisition apparatus using sensor20189,899,959'Element, and oscillator and information acquiring device including the element'20189,553,211'Schottky barrier diode and apparatus using the same'20179,391,428'Waveguide element'20169,379,665'Oscillator'20169,231,521'Oscillator'20169,184,697'Oscillation device'20159,041,415'Waveguide, method of manufacturing the same, and electromagnetic wave analysis apparatus'20159,018,672'Semiconductor device comprising a semiconductor element having two electrodes'20159,008,983'Waveguide, apparatus including the waveguide, and method of manufacturing the waveguide'20158,981,859'Oscillator'20158,896,389'Oscillation circuit having negative resistance element and oscillator using the oscillation circuit'20148,805,147'Waveguide, apparatus including the waveguide, and method of manufacturing the waveguide'20148,779,866'Oscillator'20148,481,945'Optical frequency converter'20138,460,117'Power transmission device'20138,436,382'Oscillation device'20138,410,860'Oscillator with resonator generating terahertz wave'20138,319,565'Resonator tunnel device'20128,127,467'Sole, and footwear provided with the same'20128,125,281'Resonator'20127,952,441'Electromagnetic-wave oscillator'20117,924,107'Resonant tunneling structure'20117,892,153'Training apparatus'20117,737,402'Distance adjusting apparatus and method, and object examining apparatus and method'20107,686,746'Training apparatus'20107,622,999'Electromagnetic-wave oscillator'20097,109,494'Deflector, method of manufacturing deflector, and charged particle beam exposure apparatus using deflector'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006Patents assigned to HITACHI HIGH TECH CORP (1)· patent assignee history
2009–2021Patents assigned to CANON KK (28)· patent assignee history
2009–2011Based in Yokohama, JP· patent location history
2010–2011Patents assigned to WORLD WING ENTPR CORP (2)· patent assignee history
2010–2012Based in Tottori, JP· patent location history
2011Based in Yokahama, JP· patent location history
2012–2015Patents assigned to KOYAMA YASUSHI (12)· patent assignee history
2012–2014Patents assigned to SEKIGUCHI RYOTA (5)· patent assignee history
2012–2021Based in Kamakura, JP· patent location history
2013Based in Minato-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 28 | 2009–2021 |
| KOYAMA YASUSHIself | 12 | 2012–2015 |
| SEKIGUCHI RYOTA | 5 | 2012–2014 |
| WORLD WING ENTPR CORP | 2 | 2010–2011 |
| HITACHI HIGH TECH CORP | 1 | 2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kamakura, JP | 24 | 2012–2021 |
| Tottori, JP | 3 | 2010–2012 |
| Yokohama, JP | 3 | 2009–2011 |
| Minato-ku, JP | 1 | 2013 |
| Yokahama, JP | 1 | 2011 |