Inventor · disambiguated record
Tomohito Nakagawa
Also filed as: NAKAGAWA TOMOHITO
37 granted patents·5 pending applications·646 citations·filing 1993–2024
97Inventor score
Top patents by PatentIndex Score
42 records- 0197US5351112AOriginal feeding apparatus and image forming system with itCANON KK·Filed 1993·Granted Sep 27, 1994·69 cites·34 claims
- 0295US5621501AOpening-closing mechanism for an automatic original feeding apparatusCANON KK·Filed 1994·Granted Apr 15, 1997·64 cites·20 claims
- 0394US6131898AImage forming apparatusCANON KK·Filed 1997·Granted Oct 17, 2000·68 cites·33 claims
- 0493US9272857B2Sheet stacking apparatus, sheet feeding apparatus, and image forming apparatusCANON KK·Filed 2014·Granted Mar 1, 2016·9 cites·12 claims
- 0591US9193544B2Sheet stacking device, sheet feeding device and image forming apparatusCANON KK·Filed 2014·Granted Nov 24, 2015·6 cites·18 claims
- 0691US6038424ASheet conveying apparatus and image forming apparatus provided with the sameCANON KK·Filed 1998·Granted Mar 14, 2000·49 cites·17 claims
- 0790US9592973B2Sheet feeding apparatus and image forming apparatusCANON KK·Filed 2015·Granted Mar 14, 2017·5 cites·15 claims
- 0890US9434561B2Sheet stacking device, sheet feeding device and image forming apparatusCANON KK·Filed 2015·Granted Sep 6, 2016·4 cites·7 claims
- 0990US5455667ASheet handling apparatus with plural sheet storage unitsCANON KK·Filed 1993·Granted Oct 3, 1995·41 cites·24 claims
- 1089US11582359B2Image reading apparatus and image forming systemCANON KK·Filed 2022·Granted Feb 14, 2023·2 cites·13 claims
- 1188US5819151AOriginal feeding apparatus with rotary conveyor that releases original before readingCANON KK·Filed 1996·Granted Oct 6, 1998·35 cites·19 claims
- 1288US5579083AImage forming system with original feeding apparatusCANON KK·Filed 1995·Granted Nov 26, 1996·36 cites·7 claims
- 1387US5552859ASheet supplying apparatus with means for rocking sheet stacking plateCANON KK·Filed 1995·Granted Sep 3, 1996·47 cites·33 claims
- 1484US7628483B2Image forming apparatusCANON KK·Filed 2007·Granted Dec 8, 2009·7 cites·7 claims
- 1577US8874002B2Belt driving device and image forming apparatus including belt driving deviceCANON KK·Filed 2012·Granted Oct 28, 2014·2 cites·10 claims
- 1675US6021305ASheet original conveying apparatus for duplex copyingCANON KK·Filed 1997·Granted Feb 1, 2000·51 cites·11 claims
- 1774US5833230ASheet supplying apparatus with centrally disposed feeding forceCANON KK·Filed 1996·Granted Nov 10, 1998·22 cites·16 claims
- 1872US12216425B2Image forming systemCANON KK·Filed 2022·Granted Feb 4, 2025·0 cites·23 claims
- 1972US2025039315A1Image forming systemCANON KK·Filed 2024·Application pending·0 cites
- 2071US5799237AReading apparatus in which image reading means may be fixed to read and original being conveyedCANON KK·Filed 1997·Granted Aug 25, 1998·40 cites·56 claims
- 2169US7034925B2Original feeding device having original size indicatorCANON KK·Filed 2004·Granted Apr 25, 2006·10 cites·12 claims
- 2268US9079727B2Sheet feeding device and image forming apparatusCANON KK·Filed 2014·Granted Jul 14, 2015·2 cites·10 claims
- 2368US7627278B2Image heating apparatus with pads and urging means contacting the pads and a step between pad contacting surfacesCANON KK·Filed 2006·Granted Dec 1, 2009·3 cites·3 claims
- 2468US6098977ASheet original conveying apparatus having original travel reverse apparatus and image forming apparatusCANON KK·Filed 1997·Granted Aug 8, 2000·35 cites·22 claims
- 2567US12219106B2Image reading apparatus and image forming systemCANON KK·Filed 2024·Granted Feb 4, 2025·0 cites·9 claims
- 2667US12166934B2Image forming systemCANON KK·Filed 2022·Granted Dec 10, 2024·0 cites·25 claims
- 2767US10315868B2Sheet feeding apparatus and image forming apparatusCANON KK·Filed 2016·Granted Jun 11, 2019·1 cites·29 claims
- 2866US11758063B2Image reading apparatus and image forming apparatusCANON KK·Filed 2022·Granted Sep 12, 2023·0 cites·16 claims
- 2966US5645273ASheet original supply apparatus and image forming apparatus with itCANON KK·Filed 1995·Granted Jul 8, 1997·18 cites·13 claims
- 3062US11412100B2Image forming systemCANON KK·Filed 2021·Granted Aug 9, 2022·0 cites·12 claims
- 3161US11956391B2Image reading apparatus and image forming system to drive backing rollers relative to outlet conveyance rollersCANON KK·Filed 2022·Granted Apr 9, 2024·0 cites·15 claims
- 3261US5769411ASheet feeding apparatus with sheet separation featureCANON KK·Filed 1996·Granted Jun 23, 1998·13 cites·21 claims
- 3360US8326181B2Image forming apparatus having driving roller for automatic steering of intermediate image transfer beltNAKAGAWA TOMOHITO·Filed 2010·Granted Dec 4, 2012·1 cites·10 claims
- 3457US12170746B2Image reading apparatus having image reading unit supported by a support shaft and being connected to cables disposed on opposite sides of the support shaft and image forming system including the image reading apparatusCANON KK·Filed 2023·Granted Dec 17, 2024·0 cites·10 claims
- 3556US11520266B2Image forming systemCANON KK·Filed 2021·Granted Dec 6, 2022·0 cites·9 claims
- 3656US2025216809A1Image forming apparatus for adjusting position and size of imageCANON KK·Filed 2024·Application pending·0 cites
- 3754US9676571B2Coupling device, sheet conveyance device, and driving force transmitting deviceCANON KK·Filed 2014·Granted Jun 13, 2017·0 cites·18 claims
- 3854US2025055944A1Image reading apparatus and image forming systemCANON KK·Filed 2024·Application pending·0 cites
- 3950US2008273228A1Image reading apparatus and control method thereforCANON KK·Filed 2008·Application pending·0 cites
- 4044US10996590B2Image forming apparatus with belt cleaning deviceCANON KK·Filed 2020·Granted May 4, 2021·0 cites·11 claims
- 4144US2022082982A1Foil transfer device and image forming systemCANON KK·Filed 2021·Application pending·0 cites
- 4243US5812912AAutomatic original supplying apparatus having count modeCANON KK·Filed 1997·Granted Sep 22, 1998·6 cites·17 claims
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