Inventor · disambiguated record
Kenji Kameyama
Also filed as: KAMEYAMA KENJI
37 granted patents·10 pending applications·517 citations·filing 1986–2022
97Inventor score
Top patents by PatentIndex Score
47 records- 0196US7322700B2Image display apparatusRICOH KK·Filed 2006·Granted Jan 29, 2008·41 cites·13 claims
- 0295US6497488B1Illumination system and projectorRICOH KK·Filed 2000·Granted Dec 24, 2002·80 cites·37 claims
- 0385US4975338AThin film electroluminescence deviceRICOH KK·Filed 1989·Granted Dec 4, 1990·48 cites·21 claims
- 0482US7505714B2Image forming deviceRICOH KK·Filed 2005·Granted Mar 17, 2009·8 cites·10 claims
- 0579US7125121B2Image display apparatusRICOH KK·Filed 2003·Granted Oct 24, 2006·15 cites·36 claims
- 0676US5319479ADeposited multi-layer device with a plastic substrate having an inorganic thin film layerRICOH KK·Filed 1991·Granted Jun 7, 1994·45 cites·11 claims
- 0775US9207268B2Type determination apparatus, type determination method, and computer-readable storage mediumFUJIWARA YUKIO·Filed 2013·Granted Dec 8, 2015·3 cites·8 claims
- 0872US7733317B2Image display apparatus and alternative current drive methodRICOH KK·Filed 2005·Granted Jun 8, 2010·2 cites·1 claims
- 0971US6061042ALiquid crystal display deviceRICOH KK·Filed 1998·Granted May 9, 2000·40 cites·71 claims
- 1070US5983054AMethod and image forming apparatus for preventing the use of unsuitable process cartridgesRICOH KK·Filed 1999·Granted Nov 9, 1999·19 cites·20 claims
- 1170US4914348AElectroluminescence multi-color display deviceRICOH KK·Filed 1988·Granted Apr 3, 1990·25 cites·3 claims
- 1269US6295140B1Document reading apparatus having a white platen rollerRICOH KK·Filed 1998·Granted Sep 25, 2001·35 cites·53 claims
- 1369US5142192AThin film electroluminescent elementRICOH KK·Filed 1991·Granted Aug 25, 1992·28 cites·8 claims
- 1468US9500683B2Arbitration device, arbitration method, and computer program productFUJIWARA YUKIO·Filed 2014·Granted Nov 22, 2016·3 cites·6 claims
- 1568US7345733B2Light deflection element, light deflection device and image display deviceRICOH COMAPNY LTD·Filed 2006·Granted Mar 18, 2008·2 cites·19 claims
- 1666US6320571B1Bistable liquid crystal display deviceRICOH KK·Filed 1998·Granted Nov 20, 2001·29 cites·29 claims
- 1765US8223171B2Image processing apparatus and image display apparatusNAMIE KENJI·Filed 2007·Granted Jul 17, 2012·2 cites·5 claims
- 1862US5527260AMethod for freezing bovine embryosNAT FEDERATION AGRIC COOP ASS·Filed 1994·Granted Jun 18, 1996·10 cites·21 claims
- 1962US4720436AElectroluminescence devices and method of fabricating the sameRICOH KK·Filed 1986·Granted Jan 19, 1988·17 cites·4 claims
- 2059US7551805B2Converting the resolution of an image using interpolation and displaying the converted imageRICOH KK·Filed 2005·Granted Jun 23, 2009·2 cites·42 claims
- 2159US5543945AMethod of driving an LCD employing combining two voltages which change polarity at different times in a frameRICOH KK·Filed 1994·Granted Aug 6, 1996·21 cites·6 claims
- 2258US7057700B2Light deflection element, light deflection device and image display deviceRICOH KK·Filed 2002·Granted Jun 6, 2006·5 cites·5 claims
- 2358US5934661AFriction paper-feed method and apparatus capable of preventing paper-feed failure caused by slippageRICOH KK·Filed 1997·Granted Aug 10, 1999·13 cites·30 claims
- 2456US12265225B2Light guide member and display deviceNAKAMURA NAOKI·Filed 2021·Granted Apr 1, 2025·0 cites·19 claims
- 2555US5707339AMethod of directly freezing porcine embryosJAPANESE RESEARCH ASS FOR ANIM·Filed 1996·Granted Jan 13, 1998·9 cites·9 claims
- 2652US12449582B2Light guide and virtual-image display deviceNAKAMURA NAOKI·Filed 2021·Granted Oct 21, 2025·0 cites·11 claims
- 2749US12181673B2Propagation optical system and virtual image display deviceSUDOH YOSHIFUMI·Filed 2021·Granted Dec 31, 2024·0 cites·20 claims
- 2849US11143870B2Display apparatus and display methodRICOH CO LTD·Filed 2018·Granted Oct 12, 2021·0 cites·6 claims
- 2948US12099207B2Virtual image display deviceNAKAMURA NAOKI·Filed 2020·Granted Sep 24, 2024·0 cites·20 claims
- 3048US11656461B2Head-mounted display device with adjusterRICOH CO LTD·Filed 2020·Granted May 23, 2023·0 cites·20 claims
- 3148US5835232AImage forming apparatus having recording head supportRICOH KK·Filed 1994·Granted Nov 10, 1998·8 cites·17 claims
- 3246US11960096B2Head-mounted display device containing relay optical system between image display unit and light guide member and display systemRICOH CO LTD·Filed 2018·Granted Apr 16, 2024·0 cites·18 claims
- 3343US10942354B2Monocular image display deviceRICOH CO LTD·Filed 2017·Granted Mar 9, 2021·0 cites·15 claims
- 3443US2002135729A1Light deflection element, light deflection device and image display deviceFiled 2002·Application pending·0 cites
- 3543US2014114493A1Environment control system, method for performing the same and computer readable mediumTSUKAMOTO TAKEO·Filed 2013·Application pending·0 cites
- 3643US2022252838A1Lens unit, optical system, and electronic apparatusSUDOH YOSHIFUMI·Filed 2022·Application pending·0 cites
- 3742US2016290806A1Information processing device, information processing method, and computer program productKONISHI KEISUKE·Filed 2014·Application pending·0 cites
- 3842US2016273920A1Direction estimating device, direction estimating system, and method of estimating directionMATSUSHITA YUSUKE·Filed 2014·Application pending·0 cites
- 3940US2012123336A1Pump module and infusion pump systemKAMEYAMA KENJI·Filed 2011·Application pending·0 cites
- 4040US2012123325A1Solution sending systemKAMEYAMA KENJI·Filed 2011·Application pending·0 cites
- 4140US2012073673A1Solution sending system and solution sending methodKAMEYAMA KENJI·Filed 2011·Application pending·0 cites
- 4238US5737089AImage forming apparatus with a plotter cover which rotatably supports a platen rollerRICOH KK·Filed 1996·Granted Apr 7, 1998·4 cites·13 claims
- 4336US2017322286A1Positioning system and programYOSHIZAWA FUMIO·Filed 2014·Application pending·0 cites
- 4436US2020400954A1Image display system, image display method, and wearable display deviceTANAKA SATOMI·Filed 2020·Application pending·0 cites
- 4535US10670421B2Apparatus, system, and method of information sharing, and recording mediumGOTOH YUUTO·Filed 2017·Granted Jun 2, 2020·0 cites·18 claims
- 4635US5708517AImage forming apparatusRICOH KK·Filed 1996·Granted Jan 13, 1998·3 cites·14 claims
- 4729US9089644B2Administration apparatus, operating method thereof and administration methodKITAOKA YUKI·Filed 2011·Granted Jul 28, 2015·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →