Inventor · disambiguated record
Tsuyoshi Takiguchi
Also filed as: TAKIGUCHI TSUYOSHI
49 granted patents·5 pending applications·1,177 citations·filing 1990–2015
99Inventor score
Top patents by PatentIndex Score
54 records- 0196US6800819B2Tactile switch unitJAPAN AVIATION ELECTRON·Filed 2003·Granted Oct 5, 2004·112 cites·12 claims
- 0295US6465144B2Magnetic toner, process for production thereof, and image forming method, apparatus and process cartridge using the tonerCANON KK·Filed 2001·Granted Oct 15, 2002·61 cites·109 claims
- 0394US5137796AMagnetic developer, comprising spherical particles magneticCANON KK·Filed 1990·Granted Aug 11, 1992·58 cites·12 claims
- 0493US5998080AElectrostatic image-developing toner and image-forming methodCANON KK·Filed 1998·Granted Dec 7, 1999·65 cites·112 claims
- 0593US5139914ADeveloper for developing electrostatic images and image forming apparatusCANON KK·Filed 1990·Granted Aug 18, 1992·47 cites·22 claims
- 0692US6596452B2Magnetic toner and image-forming method making use of the sameCANON KK·Filed 2001·Granted Jul 22, 2003·41 cites·57 claims
- 0790US6638674B2Magnetic tonerCANON KK·Filed 2001·Granted Oct 28, 2003·34 cites·63 claims
- 0890US5512402ACarrier for electrophotography, two-component type developer, and image forming methodCANON KK·Filed 1994·Granted Apr 30, 1996·36 cites·26 claims
- 0990US5307122AImage forming apparatus apparatus unit facsimile apparatus and developer comprising hydrophobic silica fine powder for developing electrostatic imagesCANON KK·Filed 1990·Granted Apr 26, 1994·33 cites·75 claims
- 1089US5437949AColor toner and process for its productionCANON KK·Filed 1994·Granted Aug 1, 1995·37 cites·12 claims
- 1189US5262267AMagnetic developer, image forming method and image forming apparatusCANON KK·Filed 1992·Granted Nov 16, 1993·40 cites·18 claims
- 1288US6447969B1Toner and image forming methodCANON KK·Filed 2000·Granted Sep 10, 2002·30 cites·35 claims
- 1388US5534981AImage forming apparatus and developer for developing electrostatic imagesCANON KK·Filed 1993·Granted Jul 9, 1996·29 cites·99 claims
- 1486US5851714AToner for developing electrostatic image and fixing methodCANON KK·Filed 1997·Granted Dec 22, 1998·38 cites·32 claims
- 1585US5250382AToner for developing electrostatic image, and image fixing methodCANON KK·Filed 1991·Granted Oct 5, 1993·31 cites·79 claims
- 1684US7150953B2DeveloperCANON KK·Filed 2003·Granted Dec 19, 2006·22 cites·13 claims
- 1782US5747209AToner for developing electrostatic images containing aromatic hydroxycarboxylic acid and metal compound of the aromatic hydroxycarboxylic acidCANON KK·Filed 1996·Granted May 5, 1998·31 cites·21 claims
- 1881US5700617AToner for developing electrostatic images and charge-controlling agentCANON KK·Filed 1996·Granted Dec 23, 1997·30 cites·43 claims
- 1980US5180649AToner having crosslinkages and method of fixing sameCANON KK·Filed 1990·Granted Jan 19, 1993·26 cites·58 claims
- 2079US6214509B1Toner and image forming methodCANON KK·Filed 1999·Granted Apr 10, 2001·28 cites·75 claims
- 2179US5670288ACarrier for electrophotography, two-component type developer, and image forming methodCANON KK·Filed 1996·Granted Sep 23, 1997·25 cites·75 claims
- 2277US5795693ACarrier for electrophotography, two component-type developer and image forming methodCANON KK·Filed 1997·Granted Aug 18, 1998·25 cites·130 claims
- 2374US6897001B2Toner and image forming methodCANON KK·Filed 2002·Granted May 24, 2005·13 cites·19 claims
- 2474US5733702AImage forming method employing toner with external additiveCANON KK·Filed 1995·Granted Mar 31, 1998·21 cites·145 claims
- 2574US5604071AToner for developing electrostatic imageCANON KK·Filed 1995·Granted Feb 18, 1997·27 cites·22 claims
- 2672US7043175B2Image forming method and apparatusCANON KK·Filed 2001·Granted May 9, 2006·28 cites·15 claims
- 2772US5210617ADeveloper for developing electrostatic images and image forming apparatusCANON KK·Filed 1992·Granted May 11, 1993·18 cites·83 claims
- 2870US6316156B1Carrier for electrophotography, two component type developer, and image forming methodCANON KK·Filed 1995·Granted Nov 13, 2001·16 cites·24 claims
- 2969US7211760B2Membrane switchJAPAN AVIATION ELECTRON·Filed 2005·Granted May 1, 2007·6 cites·18 claims
- 3069US5635326AElectrostatic image-developing toner, fine powdery titanium oxide, and hydrophobic fine powdery titanium oxideCANON KK·Filed 1995·Granted Jun 3, 1997·22 cites·43 claims
- 3168US5637432AToner for developing electrostatic image comprising titanium oxide particlesCANON KK·Filed 1995·Granted Jun 10, 1997·16 cites·45 claims
- 3265US6641967B2Carrier for electrophotography, two component type developer, and image forming methodCANON KK·Filed 2002·Granted Nov 4, 2003·7 cites·16 claims
- 3364US6781076B2Swing type multi-way switchJAPAN AVIATION ELECTRON·Filed 2003·Granted Aug 24, 2004·12 cites·4 claims
- 3461US5885742ACarrier for electrophotography, two-component type developer, and image forming methodCANON KK·Filed 1997·Granted Mar 23, 1999·14 cites·67 claims
- 3560US5529865AImage forming method using dry color toner and press-contact fixing methodCANON KK·Filed 1994·Granted Jun 25, 1996·12 cites·30 claims
- 3659US8766122B2Push type switchTAKIGUCHI TSUYOSHI·Filed 2005·Granted Jul 1, 2014·4 cites·4 claims
- 3758US5940662ACharging apparatus and electrophotographic apparatusCANON KK·Filed 1997·Granted Aug 17, 1999·13 cites·12 claims
- 3856US5217836AToner for developing electrostatic imagesCANON KK·Filed 1990·Granted Jun 8, 1993·15 cites·18 claims
- 3955US6610454B2Toner and image forming methodCANON KK·Filed 1998·Granted Aug 26, 2003·11 cites·44 claims
- 4053US5288579ADeveloper for developing electrostatic image, image forming apparatus, apparatus unit and facsimile apparatusCANON KK·Filed 1991·Granted Feb 22, 1994·9 cites·77 claims
- 4149US7241547B2Toner, method for forming image using the toner, and process cartridgeCANON KK·Filed 2006·Granted Jul 10, 2007·0 cites·6 claims
- 4249US6548218B1Magnetic particles for charging means, and electrophotographic apparatus, process cartridge and image forming method including sameCANON KK·Filed 1995·Granted Apr 15, 2003·15 cites·8 claims
- 4349US2007147886A1Toner, method for forming image using the toner, and process cartridgeCANON KK·Filed 2007·Application pending·0 cites
- 4444US5802428AImages forming apparatus and developer for developing electrostatic imagesCANON KK·Filed 1995·Granted Sep 1, 1998·5 cites·63 claims
- 4543US2015145813A1Touch panelJAPAN AVIATION ELECTRON·Filed 2012·Application pending·0 cites
- 4641US5665513AToner for developing electrostatic charged imageCANON KK·Filed 1996·Granted Sep 9, 1997·5 cites·16 claims
- 4740US2008078661A1Portable Information DeviceJAPAN AVIATION ELECTRON·Filed 2007·Application pending·0 cites
- 4839US5392103AImage forming method comprising electrostatic transfer of developed image and corresponding image forming apparatusCANON KK·Filed 1993·Granted Feb 21, 1995·3 cites·20 claims
- 4938US7141343B2Toner, method for forming image using the toner, and process cartridgeCANON KK·Filed 2003·Granted Nov 28, 2006·0 cites·12 claims
- 5037US2002037470A1Carrier for electrophotography, two component type developer, and image forming methodFiled 2001·Application pending·0 cites
Showing the top 50 of 54 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Tsuyoshi Takiguchi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →