Inventor
Hideaki Yamagata
Inventor
Kanagawa, JP
Overview
Patents· 30 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television12%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein9%
G06VImage or video recognition or understanding9%
G02BOptical elements, systems or apparatus8%
G03GElectrography8%
G07DHandling of coins or valuable papers, e.g. testing, sorting by denominations, counting, dispensing, changing or depositing7%
C02FTreatment of water, waste water, sewage, or sludge5%
G06TImage data processing or generation, in general5%
Y02ATechnologies for adaptation to climate change5%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management5%
PatentTitleYear
11,109,810Information display device, biological signal measurement system, and computer program product202110,711,906Valve and fuel cell system202010,679,394Information processing device, information processing method, computer program product, and biosignal measurement system20209,932,250Membrane filtration system20189,145,310'Seawater desalination apparatus'20159,120,688'Seawater desalination plant system'20158,702,978'Seawater desalination apparatus and chemical injection apparatus'20148,421,962'Color filter and method for manufacturing color filter'20138,238,599'Image processing device and image processing method for identifying a selected one or more embedding methods used for embedding target information'20127,508,988'Method, program and apparatus for image processing capable of effectively performing image transmission, and a medium storing the program'20097,312,006'Pigment dispersion composition for color filter, production method thereof, and color filter for display'20077,305,664'Apparatus, method, software and medium storage for performing the tasks of detecting specified marks'20077,166,394'Pigment dispersion composition for color filter, production method thereof, and color filter for display'20077,140,534'Data recording medium, reading device, recording device, and methods thereof'20067,038,228'Image forming apparatus with specific document determining module and abnormality detection means'20066,949,757'Specific document determining apparatus including a microwave sensor'20056,862,370'Image detecting method, image detecting system, program, and recording medium for image detection'20056,696,696'Image forming apparatus with specific document module having a microwave sensor'20046,600,532'Color filter and liquid crystal display subject to impurity extraction treatment for voltage holding ratio of 80% or more'20036,514,644'Pigment dispersion composition for color filter, production method thereof, and color filter for display'20036,413,686'Resin composition for color filter'20026,414,733'Color liquid crystal display with a shielding member being arranged between sealing member and display zone'20026,226,417'Method and system for recognizing a rotated image pattern with reduced processing time and memory space'20016,064,773'Image processing system for processing a multi-tone-level image'20006,025,603'Specific document determining apparatus, image reading apparatus, specific document determining method, and a computer-readable recording medium with a program for execution of the method stored therein image reading apparatus having a specific document'20006,021,222'System and method for the detection of a circle image for pattern recognition'20006,018,593'Method and system for correcting image position based upon predetermined pattern portions'20005,920,658'Efficient image position correction system and method'19995,917,619'Image forming apparatus'19995,048,113'Character recognition post-processing method'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2009Patents assigned to RICOH KK (15)· patent assignee history
1991–2009Based in Yokohama, JP· patent location history
2000–2021Based in Kanagawa, JP· patent location history
2002–2013Patents assigned to DAINIPPON PRINTING CO LTD (7)· patent assignee history
2002–2007Based in Tokyo, JP· patent location history
2012–2021Patents assigned to YAMAGATA HIDEAKI (7)· patent assignee history
2014–2018Patents assigned to TOSHIBA KK (4)· patent assignee history
2014–2015Patents assigned to KUROKAWA FUTOSHI (3)· patent assignee history
2014–2018Based in Urayasu, JP· patent location history
2020Based in Nagaokakyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 15 | 1991–2009 |
| DAINIPPON PRINTING CO LTD | 7 | 2002–2013 |
| YAMAGATA HIDEAKIself | 7 | 2012–2021 |
| TOSHIBA KK | 4 | 2014–2018 |
| KUROKAWA FUTOSHI | 3 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 11 | 2000–2021 |
| Yokohama, JP | 6 | 1991–2009 |
| Tokyo, JP | 6 | 2002–2007 |
| Urayasu, JP | 3 | 2014–2018 |
| Nagaokakyo, JP | 1 | 2020 |