Inventor
Keisuke Matsumoto
Inventor
Tokyo, JP
Overview
Patents· 48 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Sprimary
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light13%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
G06FElectric digital data processing6%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
G03CPhotosensitive materials for photographic purposes5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
G02BOptical elements, systems or apparatus4%
H04NPictorial communication, e.g. television4%
B82YSpecific uses or applications of nanostructures3%
PatentTitleYear
10,977,834Semiconductor device and method for image processing and image compression using the semiconductor device202110,770,746Method for producing a lithium ion secondary battery202010,769,052Application arrangement method and system202010,725,512Signal processing system, signal processing circuit, and reset control method202010,719,440Semiconductor device and memory access method202010,645,420Data processing device and data processing method202010,514,947Container management apparatus, container management method, and nonvolatile recording medium201910,468,651Non-aqueous electrolyte secondary battery201910,229,063Semiconductor device, data processing system, and semiconductor device control method201910,221,868Intermittent air discharge apparatus201910,141,819Actuator device and device for controlling opening/closing body of vehicle201810,044,071Nonaqueous electrolyte secondary battery and method for manufacturing same20189,966,605Non-aqueous electrolyte secondary battery20189,906,805'Image processing device and semiconductor device'20189,899,649'Non-aqueous electrolyte secondary battery'20189,847,516Non-aqueous electrolyte secondary battery20179,484,714'Method for manufacturing optical semiconductor device having modulator with hollowed regions between waveguides'20169,422,989'Electromagnetic clutch device, actuator device and controller for controlling opening and closing body for vehicle'20169,256,372'Storage device and method of controlling storage device'20169,147,997'Optical semiconductor device'20159,042,008'Optical semiconductor device'20158,789,861'Vehicle door operating mechanism'20148,772,618'Mixing automatic accompaniment input and musical device input during a loop recording'20148,697,464'Method of manufacturing optical semiconductor device'20148,655,116'Optical modulator'20148,613,160'Door opening and closing apparatus for vehicle'20138,526,478'Semiconductor optical integrated element'20138,442,333'Parallel processing image encoding device with variable length coding'20138,319,916'Method of producing organic nanoparticles, organic nanoparticles thus obtained, inkjet ink for color filter, colored photosensitive resin composition and photosensitive resin transfer material, containing the same, and color filter, liquid crystal display device and CCD device, prepared using the same'20127,926,463'Cylinder injection type spark ignition internal combustion engine'20117,815,229'Door opening and closing apparatus for vehicle'20107,773,652'Gain-coupled distributed feedback semiconductor laser having an improved diffraction grating'20107,365,904'Optical wavelength converter'20087,266,266'Optical functional device based on Mach-Zehnder interferometer'20077,147,922'Vinylidene fluoride copolymer resin film'20066,955,871'Lightsensitive material package'20056,606,336'Photonic semiconductor device'20036,599,689'Silver halide color negative photographic lightsensitive material and image processing method using the same'20036,542,525'Light modulator and integrated semiconductor laser-light modulator'20036,516,017'Multiwavelength semiconductor laser device with single modulator and drive method therefor'20036,337,176'Silver halide color photographic lightsensitive material'20026,277,663'Method of producing semiconductor laser diode'20016,184,386'Compound for photography'20016,021,148'Semiconductor laser device'20005,978,402'Semiconductor laser device'19995,665,528'Silver halide photographic material containing dye'19975,609,999'Silver halide color photographic material'19975,568,311'Wavelength tunable semiconductor laser device'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2016Patents assigned to MITSUBISHI ELECTRIC CORP (16)· patent assignee history
1997–2005Patents assigned to FUJI PHOTO FILM CO LTD (6)· patent assignee history
1997–2020Based in Kanagawa, JP· patent location history
1997–2005Based in Minami-ashigara, JP· patent location history
1999–2021Based in Tokyo, JP· patent location history
2010–2018Patents assigned to AISIN SEIKI (5)· patent assignee history
2010–2018Based in Anjo, JP· patent location history
2012–2014Patents assigned to MATSUMOTO KEISUKE (8)· patent assignee history
2013–2021Patents assigned to RENESAS ELECTRONICS CORP (7)· patent assignee history
2017–2018Based in Zama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 16 | 1996–2016 |
| MATSUMOTO KEISUKEself | 8 | 2012–2014 |
| RENESAS ELECTRONICS CORP | 7 | 2013–2021 |
| FUJI PHOTO FILM CO LTD | 6 | 1997–2005 |
| AISIN SEIKI | 5 | 2010–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 23 | 1999–2021 |
| Anjo, JP | 5 | 2010–2018 |
| Kanagawa, JP | 4 | 1997–2020 |
| Zama, JP | 4 | 2017–2018 |
| Minami-ashigara, JP | 4 | 1997–2005 |