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Inventor

Kenji Kameyama

Inventor
Kanagawa, JP

Overview

31→
Patents
1988–2021
Patent span
Physics
Primary field (CPC G)

Patents· 31 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Nprimary
H04NPictorial communication, e.g. television22%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
G09GArrangements or circuits for control of indicating devices using static means to present variable information7%
H05BElectric heating7%
A01NPreservation of bodies of humans or animals or plants or parts thereof4%
C23CCoating metallic material4%
F16HGearing4%
G01RMeasuring electric variables4%
G06FElectric digital data processing4%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications4%
PatentTitleYear
11,009,120Shift device202110,935,126Shift device202110,670,421Apparatus, system, and method of information sharing, and recording medium20209,500,683'Arbitration device, arbitration method, and computer program product'20169,207,268'Type determination apparatus, type determination method, and computer-readable storage medium'20159,089,644'Administration apparatus, operating method thereof and administration method'20158,223,171'Image processing apparatus and image display apparatus'20127,733,317'Image display apparatus and alternative current drive method'20107,551,805'Converting the resolution of an image using interpolation and displaying the converted image'20097,505,714'Image forming device'20097,345,733'Light deflection element, light deflection device and image display device'20087,322,700'Image display apparatus'20087,125,121'Image display apparatus'20067,057,700'Light deflection element, light deflection device and image display device'20066,497,488'Illumination system and projector'20026,320,571'Bistable liquid crystal display device'20016,295,140'Document reading apparatus having a white platen roller'20016,061,042'Liquid crystal display device'20005,983,054'Method and image forming apparatus for preventing the use of unsuitable process cartridges'19995,934,661'Friction paper-feed method and apparatus capable of preventing paper-feed failure caused by slippage'19995,835,232'Image forming apparatus having recording head support'19985,737,089'Image forming apparatus with a plotter cover which rotatably supports a platen roller'19985,707,339'Method of directly freezing porcine embryos'19985,708,517'Image forming apparatus'19985,543,945'Method of driving an LCD employing combining two voltages which change polarity at different times in a frame'19965,527,260'Method for freezing bovine embryos'19965,319,479'Deposited multi-layer device with a plastic substrate having an inorganic thin film layer'19945,142,192'Thin film electroluminescent element'19924,975,338'Thin film electroluminescence device'19904,914,348'Electroluminescence multi-color display device'19904,720,436'Electroluminescence devices and method of fabricating the same'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2010Patents assigned to RICOH KK (21)· patent assignee history
1988–1992Based in Yokohama, JP· patent location history
1994–2001Based in Sagamihara, JP· patent location history
1998–1999Based in Isehara, JP· patent location history
2002–2020Based in Kanagawa, JP· patent location history
2012–2020Patents assigned to KAMEYAMA KENJI (5)· patent assignee history
2012–2020Patents assigned to RICOH CO LTD (5)· patent assignee history
2015–2016Patents assigned to ARATANI HIDEAKI (2)· patent assignee history
2015–2016Patents assigned to FUJIWARA YUKIO (2)· patent assignee history
2021Based in Aichi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK211988–2010
KAMEYAMA KENJIself52012–2020
RICOH CO LTD52012–2020
ARATANI HIDEAKI22015–2016
FUJIWARA YUKIO22015–2016
Locations
LocationPatentsSpan
Kanagawa, JP122002–2020
Sagamihara, JP41994–2001
Isehara, JP41998–1999
Yokohama, JP41988–1992
Aichi, JP22021