Inventor · disambiguated record
Hatsuo Tajima
Also filed as: TAJIMA HATSUO
36 granted patents·742 citations·filing 1979–2000
98Inventor score
Files withCANON KK36
Top patents by PatentIndex Score
36 records- 0196US4538896AUnit for an image formation apparatus and image formation apparatus provided with the same unitCANON KK·Filed 1984·Granted Sep 3, 1985·56 cites·33 claims
- 0290US4887131ADeveloping apparatus using magnetic particles and toner particlesCANON KK·Filed 1988·Granted Dec 12, 1989·36 cites·15 claims
- 0390US4610531ADeveloping method and apparatusCANON KK·Filed 1984·Granted Sep 9, 1986·33 cites·18 claims
- 0490US4383497ADeveloping deviceCANON KK·Filed 1980·Granted May 17, 1983·35 cites·11 claims
- 0588US4542980AApparatus for fixing imagesCANON KK·Filed 1981·Granted Sep 24, 1985·32 cites·19 claims
- 0686US6201942B1Developer-carrying member, and developing device and image forming apparatus including the memberCANON KK·Filed 2000·Granted Mar 13, 2001·25 cites·26 claims
- 0786US4669852ADeveloping apparatusCANON KK·Filed 1984·Granted Jun 2, 1987·27 cites·45 claims
- 0885US4916492ADeveloper method and apparatusCANON KK·Filed 1988·Granted Apr 10, 1990·28 cites·30 claims
- 0985US4395110ADeveloping device with applicator contoured to stir developer applied to a developer supportCANON KK·Filed 1981·Granted Jul 26, 1983·26 cites·12 claims
- 1084US5030996AImage forming apparatus with AC bias voltages for preventing developer mixtureCANON KK·Filed 1990·Granted Jul 9, 1991·32 cites·13 claims
- 1184US4873551ADeveloping apparatus using magnetic carrier under AC fieldCANON KK·Filed 1988·Granted Oct 10, 1989·27 cites·14 claims
- 1283US5075728ADeveloping apparatus with developer leak preventionCANON KK·Filed 1990·Granted Dec 24, 1991·29 cites·71 claims
- 1383US4660958ADeveloping apparatusCANON KK·Filed 1984·Granted Apr 28, 1987·24 cites·18 claims
- 1483US4637706ADeveloper thin layer forming apparatusCANON KK·Filed 1984·Granted Jan 20, 1987·24 cites·29 claims
- 1583US4511778AImage fixing device utilizing a high frequency waveCANON KK·Filed 1981·Granted Apr 16, 1985·45 cites·36 claims
- 1682US4563978ADeveloping apparatusCANON KK·Filed 1984·Granted Jan 14, 1986·20 cites·20 claims
- 1780US5045420AColor image forming method and particulate developer for developing electrostatic latent imageCANON KK·Filed 1989·Granted Sep 3, 1991·22 cites·12 claims
- 1879US4876574ADeveloping apparatusCANON KK·Filed 1988·Granted Oct 24, 1989·21 cites·27 claims
- 1978US4559899AThin developer layer forming deviceCANON KK·Filed 1984·Granted Dec 24, 1985·20 cites·8 claims
- 2075US4933254AMethod and apparatus for transferring toner from carrying member to image bearing member using chains of magnetic particlesCANON KK·Filed 1988·Granted Jun 12, 1990·16 cites·65 claims
- 2172US4954404ADeveloping method and device and color image forming method and apparatus using sameCANON KK·Filed 1988·Granted Sep 4, 1990·17 cites·28 claims
- 2272US4607938AMethod and apparatus for forming a thin layer of developerCANON KK·Filed 1984·Granted Aug 26, 1986·16 cites·42 claims
- 2371US5239343ADeveloping apparatus with regulating member having magnetic and non-magnetic membersCANON KK·Filed 1991·Granted Aug 24, 1993·19 cites·30 claims
- 2469US4838200ADeveloping apparatusCANON KK·Filed 1986·Granted Jun 13, 1989·16 cites·29 claims
- 2568US4326795AImage forming process and apparatus thereforCANON KK·Filed 1979·Granted Apr 27, 1982·10 cites·19 claims
- 2665US5187535AImage forming apparatusCANON KK·Filed 1992·Granted Feb 16, 1993·15 cites·27 claims
- 2765US4590140AToner application method and treated magnetic particles for use thereinCANON KK·Filed 1984·Granted May 20, 1986·12 cites·10 claims
- 2861US4638760ADeveloping apparatusCANON KK·Filed 1985·Granted Jan 27, 1987·10 cites·35 claims
- 2960US4583490AThin developer layer forming apparatusCANON KK·Filed 1984·Granted Apr 22, 1986·10 cites·19 claims
- 3058US4484811AApparatus for forming an image on a recording memberCANON KK·Filed 1981·Granted Nov 27, 1984·8 cites·22 claims
- 3155US4936249ADeveloping apparatus having a two pole stationary magnetCANON KK·Filed 1988·Granted Jun 26, 1990·9 cites·27 claims
- 3251US5574545AMethod for transferring toner from developer carrying member to image bearing member using chains of magnetic particles formed on developer carrying member and contacting image bearing member, and alternating electric fieldCANON KK·Filed 1995·Granted Nov 12, 1996·8 cites·8 claims
- 3346US4297970ADeveloping apparatusCANON KK·Filed 1980·Granted Nov 3, 1981·6 cites·14 claims
- 3443US4895105ADeveloping apparatus with pressure regulating memberCANON KK·Filed 1988·Granted Jan 23, 1990·5 cites·12 claims
- 3533US5298961AImage forming apparatus with parallel exposure processingCANON KK·Filed 1992·Granted Mar 29, 1994·2 cites·7 claims
- 3632US4929981ADeveloping apparatusCANON KK·Filed 1988·Granted May 29, 1990·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →