Inventor · disambiguated record
Takayuki Tsuboi
Also filed as: TSUBOI TAKAYUKI
47 granted patents·1 pending application·1,019 citations·filing 1982–2019
98Inventor score
Top patents by PatentIndex Score
48 records- 0197US5223873AMagnification change-over device for a cameraCANON KK·Filed 1992·Granted Jun 29, 1993·80 cites·35 claims
- 0296US4410253ACamera having lens protection coverCANON KK·Filed 1982·Granted Oct 18, 1983·45 cites·19 claims
- 0395US6702483B2Optical elementCANON KK·Filed 2001·Granted Mar 9, 2004·97 cites·25 claims
- 0494US5610678ACamera including camera body and independent optical viewfinderCANON KK·Filed 1994·Granted Mar 11, 1997·154 cites·36 claims
- 0592US7465107B2Photographing apparatus and control method thereforCANON KK·Filed 2005·Granted Dec 16, 2008·19 cites·22 claims
- 0692US4457604ACamera having lens protection coverCANON KK·Filed 1982·Granted Jul 3, 1984·30 cites·7 claims
- 0788US7821561B2Display apparatus with camera and communication apparatusCANON KK·Filed 2004·Granted Oct 26, 2010·33 cites·7 claims
- 0888US5136324ACamera apparatus for adjusting the optical system at different speedsCANON KK·Filed 1991·Granted Aug 4, 1992·84 cites·231 claims
- 0985US6443634B1Optical apparatusCANON KK·Filed 2000·Granted Sep 3, 2002·20 cites·17 claims
- 1085US5945753AMotorCANON KK·Filed 1998·Granted Aug 31, 1999·61 cites·26 claims
- 1185USD311016SCameraCANON KK·Filed 1987·Granted Oct 2, 1990·23 cites·1 claims
- 1285US4595268ACamera having lens protection coverCANON KK·Filed 1985·Granted Jun 17, 1986·21 cites·2 claims
- 1383US4827303ADistance measuring deviceCANON KK·Filed 1988·Granted May 2, 1989·48 cites·7 claims
- 1480USD291579SCameraCANON KK·Filed 1985·Granted Aug 25, 1987·18 cites·1 claims
- 1576US6317564B1Camera featuring a single drive source and a plurality of selectable drive transmission mechanismsCANON KK·Filed 2000·Granted Nov 13, 2001·8 cites·42 claims
- 1672US5134435ACameraCANON KK·Filed 1991·Granted Jul 28, 1992·15 cites·7 claims
- 1771USD291090SCameraCANON KK·Filed 1985·Granted Jul 28, 1987·13 cites·1 claims
- 1870US7053952B2Image pickup apparatusCANON KK·Filed 2002·Granted May 30, 2006·9 cites·9 claims
- 1970US6096969AApparatus adapted to use solar batteryCANON KK·Filed 1995·Granted Aug 1, 2000·37 cites·49 claims
- 2069USD336310SCameraCANON KK·Filed 1991·Granted Jun 8, 1993·13 cites·1 claims
- 2168US4870439AFocal length varying device for cameraCANON KK·Filed 1989·Granted Sep 26, 1989·21 cites·24 claims
- 2267US5023647AAutomatic status discriminatorCANON KK·Filed 1989·Granted Jun 11, 1991·10 cites·31 claims
- 2366US6040880ADisplay deviceCANON KK·Filed 1997·Granted Mar 21, 2000·34 cites·17 claims
- 2465US4982218ACameraCANON KK·Filed 1988·Granted Jan 1, 1991·19 cites·69 claims
- 2560US5682564AViewfinder device with light deflecting feature for changing the field of viewCANON KK·Filed 1995·Granted Oct 28, 1997·6 cites·14 claims
- 2658US11078054B2CraneSUMITOMO HEAVY IND CONSTRUCTION CRANES CO LTD·Filed 2019·Granted Aug 3, 2021·0 cites·11 claims
- 2756US5752096ACamera featuring a single drive source and a plurality of selectable drive transmission mechanismsCANON KK·Filed 1996·Granted May 12, 1998·11 cites·80 claims
- 2855US6041190AImage display apparatusCANON KK·Filed 1997·Granted Mar 21, 2000·5 cites·26 claims
- 2954US5940632AMagnification change-over device for cameraCANON KK·Filed 1995·Granted Aug 17, 1999·3 cites·58 claims
- 3049US6074107ACamera systemCANON KK·Filed 1996·Granted Jun 13, 2000·4 cites·11 claims
- 3147US6044230AApparatus having a battery-saving featureCANON KK·Filed 1996·Granted Mar 28, 2000·3 cites·35 claims
- 3247US5239331ABrake device for motor in cameraCANON KK·Filed 1992·Granted Aug 24, 1993·14 cites·6 claims
- 3344US6215958B1Power transmission apparatus including plural selectable drive transmission mechanisms usable with single drive source, and camera using sameCANON KK·Filed 1999·Granted Apr 10, 2001·6 cites·34 claims
- 3444US5083148ADriving power transmitting device for cameraCANON KK·Filed 1991·Granted Jan 21, 1992·4 cites·67 claims
- 3543US2002140967A1Printer and printer adapter used by the sameFiled 2001·Application pending·0 cites
- 3641US6175694B1Camera featuring a single drive source and a plurality of selectable drive transmission mechanismsCANON KK·Filed 1999·Granted Jan 16, 2001·5 cites·35 claims
- 3741US5792279AEquipment adapted to use solar cell or device adapted to the equipmentCANON KK·Filed 1997·Granted Aug 11, 1998·15 cites·176 claims
- 3839US6167198ACamera featuring a single drive source and a plurality of selectable drive transmission mechanismsCANON KK·Filed 1998·Granted Dec 26, 2000·4 cites·9 claims
- 3938US6366739B1Equipment using solar batteryCANON KK·Filed 1997·Granted Apr 2, 2002·13 cites·59 claims
- 4036US4610523AOperation control mechanism for cameraCANON KK·Filed 1985·Granted Sep 9, 1986·5 cites·30 claims
- 4134US5774749ACamera having a magnification change-over deviceCANON KK·Filed 1995·Granted Jun 30, 1998·0 cites·83 claims
- 4234US4862202AMagnification change-over device for cameraCANON KK·Filed 1988·Granted Aug 29, 1989·1 cites·45 claims
- 4334US4811041AMagnification change-over device for cameraCANON KK·Filed 1988·Granted Mar 7, 1989·1 cites·30 claims
- 4433US5819121AMagnification change-over device for cameraCANON KK·Filed 1995·Granted Oct 6, 1998·2 cites·111 claims
- 4533US5752095AMagnification change-over device for cameraCANON KK·Filed 1995·Granted May 12, 1998·2 cites·127 claims
- 4633US4970537ACamera permitting close-up photographyCANON KK·Filed 1989·Granted Nov 13, 1990·3 cites·234 claims
- 4730US5623142AOptical encoding detecting coarse and fine positionCANON KK·Filed 1995·Granted Apr 22, 1997·0 cites·21 claims
- 4824US4935764AStepping drive unit for cameraCANON KK·Filed 1988·Granted Jun 19, 1990·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →