Inventor · disambiguated record
Takaaki Kohtaki
Also filed as: KOHTAKI TAKAAKI
21 granted patents·1 pending application·501 citations·filing 1983–2013
96Inventor score
Top patents by PatentIndex Score
22 records- 0198US7300733B2Black toner with defined loss tangentCANON KK·Filed 2005·Granted Nov 27, 2007·38 cites·7 claims
- 0293US6586147B2Toner and full-color image forming methodCANON KK·Filed 2001·Granted Jul 1, 2003·65 cites·33 claims
- 0393US6528222B2TonerCANON KK·Filed 2001·Granted Mar 4, 2003·49 cites·57 claims
- 0489US5483327AToner for developing electrostatic image, forming apparatus and process cartridgeCANON KK·Filed 1995·Granted Jan 9, 1996·45 cites·48 claims
- 0585US5250382AToner for developing electrostatic image, and image fixing methodCANON KK·Filed 1991·Granted Oct 5, 1993·31 cites·79 claims
- 0682US5439770AToner for developing electrostatic image, image forming apparatus and process cartridgeCANON KK·Filed 1994·Granted Aug 8, 1995·24 cites·24 claims
- 0781US5346792AColor tonerCANON KK·Filed 1992·Granted Sep 13, 1994·26 cites·17 claims
- 0879US7022449B2Black toner with defined loss tangentCANON KK·Filed 2003·Granted Apr 4, 2006·15 cites·2 claims
- 0979US5578408AToner for developing electrostatic imageCANON KK·Filed 1994·Granted Nov 26, 1996·24 cites·27 claims
- 1079US4510293AProcess for hydrogenating conjugated diene polymersNIPPON ZEON CO·Filed 1983·Granted Apr 9, 1985·23 cites·7 claims
- 1178US4904562AProcess for producing encapsulated tonerCANON KK·Filed 1987·Granted Feb 27, 1990·20 cites·58 claims
- 1276US5547796ADeveloper containing insulating magnetic toner flowability-improving agent and inorganic fine powderCANON KK·Filed 1994·Granted Aug 20, 1996·39 cites·22 claims
- 1373US5660963AToner for developing electrostatic imageCANON KK·Filed 1995·Granted Aug 26, 1997·23 cites·50 claims
- 1470US6187490B1Resin-coated carrier, two-component developer and image forming methodCANON KK·Filed 2000·Granted Feb 13, 2001·11 cites·61 claims
- 1567US5391450AToner image heat-fixing methodCANON KK·Filed 1994·Granted Feb 21, 1995·16 cites·50 claims
- 1667US5102761AColor toner for electrophotography containing a phenolic compoundCANON KK·Filed 1990·Granted Apr 7, 1992·16 cites·43 claims
- 1758US6090515AToner for developing electrostatic image, image forming method and process cartridgeCANON KK·Filed 1997·Granted Jul 18, 2000·11 cites·38 claims
- 1858US5858597AToner for developing electrostatic image containing specified double oxide particlesCANON KK·Filed 1996·Granted Jan 12, 1999·13 cites·28 claims
- 1952US6783910B2Toner for developing electrostatic imageCANON KK·Filed 2002·Granted Aug 31, 2004·4 cites·11 claims
- 2046US6365314B1Toner for developing electrostatic image, image forming method and process cartridgeCANON KK·Filed 1999·Granted Apr 2, 2002·6 cites·35 claims
- 2142US2014029972A1Electrophotographic magnetic sealing member and electrophotographic cartridgeCANON KASEI KK·Filed 2013·Application pending·0 cites
- 2234US6623901B1Toner for developing electrostatic imageCANON KK·Filed 1997·Granted Sep 23, 2003·2 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →