Inventor · disambiguated record
Masanari Shirai
Also filed as: SHIRAI MASANARI
19 granted patents·376 citations·filing 1975–2006
95Inventor score
Files withCANON KK19
Top patents by PatentIndex Score
19 records- 0196US5502547ASealing device, process cartridge, image forming apparatus and assembling method of the process cartridgeCANON KK·Filed 1994·Granted Mar 26, 1996·77 cites·40 claims
- 0294US5187326ADeveloping apparatusCANON KK·Filed 1991·Granted Feb 16, 1993·60 cites·5 claims
- 0392US5205551AApparatus for transporting sheetCANON KK·Filed 1992·Granted Apr 27, 1993·44 cites·18 claims
- 0488US4995601AAnti-skew sheet feeding device for image forming apparatus and sheet storage device for use thereinCANON KK·Filed 1988·Granted Feb 26, 1991·33 cites·10 claims
- 0584US4341463AImage reproducing apparatusCANON KK·Filed 1981·Granted Jul 27, 1982·19 cites·13 claims
- 0680US5303004AApparatus for driving image bearing member via torque limiterCANON KK·Filed 1992·Granted Apr 12, 1994·26 cites·7 claims
- 0779US4627703AApparatus for forming images from positive and negative originalsCANON KK·Filed 1986·Granted Dec 9, 1986·21 cites·21 claims
- 0874US7509086B2Image forming apparatusCANON KK·Filed 2006·Granted Mar 24, 2009·4 cites·9 claims
- 0972US5329342AImage fixing apparatusCANON KK·Filed 1993·Granted Jul 12, 1994·19 cites·4 claims
- 1068US4037953ACassette loading apparatusCANON KK·Filed 1976·Granted Jul 26, 1977·14 cites·7 claims
- 1165US5455666ADeveloper extracting apparatus and image forming apparatus using itCANON KK·Filed 1994·Granted Oct 3, 1995·14 cites·18 claims
- 1265US4496117AWeb transport deviceCANON KK·Filed 1983·Granted Jan 29, 1985·14 cites·6 claims
- 1350US5023658AImage forming apparatusCANON KK·Filed 1990·Granted Jun 11, 1991·8 cites·15 claims
- 1447US5191377AOriginal scanning apparatus with electrical connecting memberCANON KK·Filed 1991·Granted Mar 2, 1993·10 cites·27 claims
- 1543US4113377AReader-printerCANON KK·Filed 1977·Granted Sep 12, 1978·4 cites·24 claims
- 1641US5628406ASeparating apparatus and image forming apparatusCANON KK·Filed 1994·Granted May 13, 1997·5 cites·44 claims
- 1737US4432509AApparatus for feeding filmCANON KK·Filed 1982·Granted Feb 21, 1984·2 cites·6 claims
- 1835US4054379AReader-printerCANON KK·Filed 1975·Granted Oct 18, 1977·2 cites·22 claims
- 1933US7199898B2Developing device and image forming apparatusCANON KK·Filed 2001·Granted Apr 3, 2007·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →