Inventor · disambiguated record
Seiji Sagara
Also filed as: HATTORI HIROYUKI · SAGARA SEIJI · TOHYAMA YOSHIKUNI · UMEZAWA KAZUMI
33 granted patents·734 citations·filing 1976–2000
98Inventor score
Files withCANON KK33
Top patents by PatentIndex Score
33 records- 0198US5418606AImage forming apparatus with sideways U-shaped sheet pathCANON KK·Filed 1993·Granted May 23, 1995·117 cites·26 claims
- 0297US5002266ASheet feed apparatus for image forming systemCANON KK·Filed 1988·Granted Mar 26, 1991·54 cites·14 claims
- 0394US5708926AImage heating apparatus with first and second elastic membersCANON KK·Filed 1996·Granted Jan 13, 1998·69 cites·17 claims
- 0493US4129377AVariable magnification copying apparatusCANON KK·Filed 1976·Granted Dec 12, 1978·37 cites·16 claims
- 0592US5280224AProcess cartridge drive mechanism and image forming apparatusCANON KK·Filed 1992·Granted Jan 18, 1994·44 cites·30 claims
- 0692US4295186ASlit illuminating deviceCANON KK·Filed 1978·Granted Oct 13, 1981·22 cites·3 claims
- 0792US4124296AOriginal urging deviceCANON KK·Filed 1977·Granted Nov 7, 1978·26 cites·5 claims
- 0891US5537195ASheet-accommodating cassette with main container and sub containerCANON KK·Filed 1993·Granted Jul 16, 1996·46 cites·18 claims
- 0991US5085422AImage forming apparatusCANON KK·Filed 1990·Granted Feb 4, 1992·43 cites·12 claims
- 1089US4521100AVariable magnification image forming apparatusCANON KK·Filed 1983·Granted Jun 4, 1985·24 cites·20 claims
- 1185US4421401AImage recording apparatusCANON KK·Filed 1981·Granted Dec 20, 1983·28 cites·23 claims
- 1285US4154524ACopying apparatus for thick and sheet originalsCANON KK·Filed 1977·Granted May 15, 1979·14 cites·3 claims
- 1384US4234305ATransfer sheet guiding deviceCANON KK·Filed 1978·Granted Nov 18, 1980·23 cites·10 claims
- 1484US4155641AApparatus for scanning an original in a copying machineCANON KK·Filed 1978·Granted May 22, 1979·14 cites·18 claims
- 1574US7031020B1Image processing method, apparatus and controllerCANON KK·Filed 2000·Granted Apr 18, 2006·12 cites·5 claims
- 1673US4158499ABuffer device for the scanning mechanism of an electrostatic copierCANON KK·Filed 1978·Granted Jun 19, 1979·8 cites·6 claims
- 1772US5333039AImage forming apparatus with control for variably setting the amount of blank space on a recording mediumCANON KK·Filed 1992·Granted Jul 26, 1994·18 cites·5 claims
- 1870USRE35341ESheet feed apparatus for image forming systemCANON KK·Filed 1993·Granted Oct 1, 1996·22 cites·17 claims
- 1968US4799662ASheet feeding deviceCANON KK·Filed 1988·Granted Jan 24, 1989·16 cites·12 claims
- 2067US4205622AElectrophotographic developing apparatus having developer and refreshing rollers for liquid developersCANON KK·Filed 1978·Granted Jun 3, 1980·11 cites·14 claims
- 2160US4312587AImage forming apparatusCANON KK·Filed 1978·Granted Jan 26, 1982·12 cites·6 claims
- 2258US4163549ASeparator device for transfer mediumCANON KK·Filed 1977·Granted Aug 7, 1979·10 cites·11 claims
- 2357US4872035AImage forming apparatusCANON KK·Filed 1988·Granted Oct 3, 1989·10 cites·36 claims
- 2456US4193483ALatch operated coil spring clutchCANON KK·Filed 1977·Granted Mar 18, 1980·9 cites·2 claims
- 2554US4552447AVariable magnification copying apparatus with margin eraseCANON KK·Filed 1983·Granted Nov 12, 1985·9 cites·22 claims
- 2652US4870448AOriginal scanning apparatusCANON KK·Filed 1989·Granted Sep 26, 1989·6 cites·12 claims
- 2752US4453824AVariable magnification copying apparatusCANON KK·Filed 1982·Granted Jun 12, 1984·8 cites·9 claims
- 2852US4179116ASeparating mechanismCANON KK·Filed 1978·Granted Dec 18, 1979·6 cites·9 claims
- 2945US4763164AImage forming apparatusCANON KK·Filed 1984·Granted Aug 9, 1988·5 cites·5 claims
- 3042US6111664AImage processing method, apparatus and controllerCANON KK·Filed 1997·Granted Aug 29, 2000·8 cites·22 claims
- 3133US5420666AImage forming apparatus having start and stop keys integrally connected in the same matrix circuitCANON KK·Filed 1993·Granted May 30, 1995·1 cites·13 claims
- 3233US5117260AImage forming apparatus having streamlined input for control signalsCANON KK·Filed 1989·Granted May 26, 1992·2 cites·10 claims
- 3330US5223899AImage forming apparatus having stationary exposure mode and dynamic exposure modeCANON KK·Filed 1991·Granted Jun 29, 1993·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →