Inventor
Ryota Sekiguchi
Inventor
Kawasaki, JP
Overview
Patents· 47 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 manner15%
B82YSpecific uses or applications of nanostructures11%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light9%
H10DInorganic electric semiconductor devices6%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation6%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light5%
H01LSemiconductor devices5%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
H01QAntennas, i.e. radio aerials4%
PatentTitleYear
11,117,511Vehicle lighting control apparatus, vehicle lighting control method, and computer readable medium202110,277,167Oscillation element and oscillator using the same20199,961,280Image forming apparatus and imaging system20189,797,778'Active terahertz imager'20179,786,806'Semiconductor device and method for manufacturing the same'20179,437,646'Detecting device, detector, and imaging apparatus using the same'20169,349,881'Diode element and detecting device'20169,244,331'Electromagnetic wave generating device, electromagnetic wave detecting device, and time-domain spectroscopy apparatus'20169,236,833'Electromagnetic wave generation device and detection device'20169,231,521'Oscillator'20169,197,156'Oscillation element, oscillator, and imaging apparatus using the same'20159,184,697'Oscillation device'20159,087,935'Detector having a Schottky barrier portion and a barrier portion having a rectifying property'20159,018,672'Semiconductor device comprising a semiconductor element having two electrodes'20159,019,025'Oscillator'20158,981,859'Oscillator'20158,982,342'Method and apparatus for calculating a refractive index, material for calculating a refractive index, and a tomography apparatus'20158,896,389'Oscillation circuit having negative resistance element and oscillator using the oscillation circuit'20148,816,785'Oscillator'20148,779,864'Oscillator having negative resistance element'20148,759,779'Terahertz wave generation element, terahertz wave detection element, and terahertz time domain spectral device'20148,451,069'Oscillator having negative resistance device for generating electromagnetic wave'20138,436,382'Oscillation device'20138,410,860'Oscillator with resonator generating terahertz wave'20138,319,565'Resonator tunnel device'20128,125,281'Resonator'20128,089,997'Laser device'20128,053,731'Image forming apparatus and image forming method'20117,957,443'Laser device'20117,933,305'Device for generating or detecting electromagnetic radiation, and fabrication method of the same'20117,924,107'Resonant tunneling structure'20117,907,024'Resonant tunneling diode oscillation device and inspection apparatus'20117,889,015'Oscillation device'20117,881,352'Laser device'20117,869,036'Analysis apparatus for analyzing a specimen by obtaining electromagnetic spectrum information'20117,864,828'Laser device'20117,839,910'Laser device'20107,709,797'Detection device and image forming device'20107,693,198'Laser device'20107,684,044'Sensor device'20107,684,455'Oscillator and imaging apparatus utilizing resonant tunneling diode structure'20107,683,325'Image forming apparatus'20107,511,512'Probe and near-field microscope'20097,504,629'Image forming apparatus'20097,463,104'Frequency tunable oscillator'20087,403,671'Photonic-crystal electromagnetic-wave device including electromagnetic-wave absorptive portion and method for producing the same'20087,386,024'Quantum cascade laser device'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2019Patents assigned to CANON KK (46)· patent assignee history
2008–2016Based in Kawasaki, JP· patent location history
2008Based in Atsugi, JP· patent location history
2012–2016Patents assigned to SEKIGUCHI RYOTA (13)· patent assignee history
2012–2014Patents assigned to KOYAMA YASUSHI (5)· patent assignee history
2013–2014Patents assigned to ITSUJI TAKEAKI (2)· patent assignee history
2014–2016Patents assigned to KAJIKI KOUSUKE (2)· patent assignee history
2015–2021Based in Tokyo, JP· patent location history
2018Based in Hiratsuka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 46 | 2008–2019 |
| SEKIGUCHI RYOTAself | 13 | 2012–2016 |
| KOYAMA YASUSHI | 5 | 2012–2014 |
| ITSUJI TAKEAKI | 2 | 2013–2014 |
| KAJIKI KOUSUKE | 2 | 2014–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 36 | 2008–2016 |
| Tokyo, JP | 9 | 2015–2021 |
| Hiratsuka, JP | 1 | 2018 |
| Atsugi, JP | 1 | 2008 |