Inventor · disambiguated record
Tadashi Doujo
Also filed as: DOUJO TADASHI
17 granted patents·362 citations·filing 1994–2003
95Inventor score
Technology areasG03G
Files withCANON KK17
Top patents by PatentIndex Score
17 records- 0191US5976752AToner and image forming methodCANON KK·Filed 1998·Granted Nov 2, 1999·58 cites·152 claims
- 0289US5483327AToner for developing electrostatic image, forming apparatus and process cartridgeCANON KK·Filed 1995·Granted Jan 9, 1996·45 cites·48 claims
- 0386US5955234AToner for developing electrostatic image, and image forming methodCANON KK·Filed 1997·Granted Sep 21, 1999·39 cites·68 claims
- 0483US6953646B2Toner particles including a sulfur-containing resinCANON KK·Filed 2003·Granted Oct 11, 2005·22 cites·14 claims
- 0582US5439770AToner for developing electrostatic image, image forming apparatus and process cartridgeCANON KK·Filed 1994·Granted Aug 8, 1995·24 cites·24 claims
- 0679US6232027B1Toner having negative triboelectric chargeability and image forming methodCANON KK·Filed 1999·Granted May 15, 2001·30 cites·129 claims
- 0779US5578408AToner for developing electrostatic imageCANON KK·Filed 1994·Granted Nov 26, 1996·24 cites·27 claims
- 0873US5695902AToner for developing electrostatic image, image forming method and process-cartridgeCANON KK·Filed 1996·Granted Dec 9, 1997·23 cites·59 claims
- 0973US5660963AToner for developing electrostatic imageCANON KK·Filed 1995·Granted Aug 26, 1997·23 cites·50 claims
- 1063US6040103AToner for developing electrostatic image and image forming methodCANON KK·Filed 1997·Granted Mar 21, 2000·16 cites·62 claims
- 1161US5773183AToner for developing electrostatic imagesCANON KK·Filed 1996·Granted Jun 30, 1998·15 cites·22 claims
- 1258US6090515AToner for developing electrostatic image, image forming method and process cartridgeCANON KK·Filed 1997·Granted Jul 18, 2000·11 cites·38 claims
- 1358US5858597AToner for developing electrostatic image containing specified double oxide particlesCANON KK·Filed 1996·Granted Jan 12, 1999·13 cites·28 claims
- 1452US6783910B2Toner for developing electrostatic imageCANON KK·Filed 2002·Granted Aug 31, 2004·4 cites·11 claims
- 1546US6365314B1Toner for developing electrostatic image, image forming method and process cartridgeCANON KK·Filed 1999·Granted Apr 2, 2002·6 cites·35 claims
- 1644US6017669AToner for developing an electrostatic imageCANON KK·Filed 1996·Granted Jan 25, 2000·7 cites·11 claims
- 1734US6623901B1Toner for developing electrostatic imageCANON KK·Filed 1997·Granted Sep 23, 2003·2 cites·10 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →