Inventor · disambiguated record
Tatsuki Fukui
Also filed as: FUKUI TATSUKI
40 granted patents·19 pending applications·557 citations·filing 2002–2017
98Inventor score
Top patents by PatentIndex Score
59 records- 0198US8383312B2Resin for toner and tonerCANON KK·Filed 2012·Granted Feb 26, 2013·30 cites·10 claims
- 0296US8093342B2Polymer, charge control agent, and toner for developing electrostatic latent imagesMINAMI MASATO·Filed 2010·Granted Jan 10, 2012·30 cites·6 claims
- 0396US7795363B2Polymer having a sulfonic group or a sulfonate group and an amide group and method of producing sameCANON KK·Filed 2005·Granted Sep 14, 2010·21 cites·16 claims
- 0496US7399568B2Carrier for electrophotographic developerCANON KK·Filed 2005·Granted Jul 15, 2008·26 cites·8 claims
- 0596US7393912B2Polyhydroxyalkanoate containing amide group, sulfonic group, and sulfonate ester group, method for producing the same, and charge control agent, toner, image forming method, and image forming apparatusCANON KK·Filed 2005·Granted Jul 1, 2008·27 cites·26 claims
- 0695US7935771B2Polymer having sulfonic acid group or sulfonic acid ester group and amide group, and toner for developing electrostatic latent image having the polymerCANON KK·Filed 2006·Granted May 3, 2011·30 cites·4 claims
- 0795US7682765B2Toner for developing electrostatic imagesCANON KK·Filed 2005·Granted Mar 23, 2010·23 cites·7 claims
- 0895US7638590B2Polyhydroxyalkanoate having amide, sulfonic acid or sulfonate ester group, charge control agent and tonerCANON KK·Filed 2005·Granted Dec 29, 2009·23 cites·15 claims
- 0994US8178271B2Polymer having a sulfonic group or a sulfonate group and an amide group and method of producing sameFUKUI TATSUKI·Filed 2010·Granted May 15, 2012·18 cites·9 claims
- 1094US8067136B2Charge control agent, toner, image forming method, and image forming apparatusYANO TETSUYA·Filed 2005·Granted Nov 29, 2011·19 cites·9 claims
- 1194US7638194B2Developer carrying member, and developing assemblyCANON KK·Filed 2005·Granted Dec 29, 2009·24 cites·7 claims
- 1294US7510813B2Resin-coated carrier for electrophotographic developerCANON KK·Filed 2005·Granted Mar 31, 2009·21 cites·6 claims
- 1394US7408017B2Polyhydroxyalkanoate containing unit with phenylsulfanyl structure in the side chain, process for its production, charge control agent, toner binder and toner which contain novel polyhydroxyalkanoate, and image forming method and image-forming apparatus which make use of the tonerCANON KK·Filed 2005·Granted Aug 5, 2008·23 cites·10 claims
- 1494US6908721B2Polyhydroxyalkanoate having amide group and sulfonic group, method of producing the same, charge controlling agent containing novel polyhydroxyalaknaote, toner binder, toner, and image forming apparatus using the tonerCANON KK·Filed 2003·Granted Jun 21, 2005·38 cites·27 claims
- 1592US8110329B2Charge controlling agent and tonerTOMINAGA AKIKO·Filed 2006·Granted Feb 7, 2012·27 cites·1 claims
- 1691US7045321B2Polyhydroxyalkanoate containing unit with phenylsulfanyl structure in the side chain, process for its production, charge control agent, toner binder and toner which contain novel polyhydroxyalkanoate, and image-forming method and image-forming apparatus which make use of the tonerCANON KK·Filed 2002·Granted May 16, 2006·32 cites·33 claims
- 1790US6911520B2Polyhydroxyalkanoate, method of producing the same, charge controlling agent containing polyhydroxyalkanoate, toner binder and toner, and image formation method and image forming apparatus using tonerCANON KK·Filed 2003·Granted Jun 28, 2005·34 cites·61 claims
- 1889US9138492B2Particle containing hydrophobic dye having cyanine structure, and contrast agent containing the particleCANON KK·Filed 2013·Granted Sep 22, 2015·9 cites·6 claims
- 1989US6645743B1Polyhydroxyalkanoate copolymer containing in molecule unit with vinylphenyl structure in its side chain and method of manufacturing the sameCANON KK·Filed 2003·Granted Nov 11, 2003·32 cites·16 claims
- 2084US7465779B2Polyhydroxyalkanoate having vinyl group, ester group, carboxyl group and sulfonic acid group, and production method thereofCANON KK·Filed 2005·Granted Dec 16, 2008·5 cites·4 claims
- 2183US7452960B2Polyhydroxyalkanoate copolymer, resin composition, molded product, toner, image forming method and image forming apparatusCANON KK·Filed 2003·Granted Nov 18, 2008·23 cites·3 claims
- 2280US9592307B2Compound and photoacoustic imaging contrast medium containing the compoundCANON KK·Filed 2013·Granted Mar 14, 2017·3 cites·14 claims
- 2375US7135540B2Polyhydroxyalkanoate copolymer including unit having bromo group in side chain and method for producing the sameCANON KK·Filed 2003·Granted Nov 14, 2006·4 cites·16 claims
- 2474US8652441B2Contrast agent for photoacoustic imaging and photoacoustic imaging methodFUKUI TATSUKI·Filed 2010·Granted Feb 18, 2014·3 cites·17 claims
- 2574US7589156B2Polyhydroxyalkanoic acid having ester, carboxyl or sulfonic acid group, and producing method thereforCANON KK·Filed 2005·Granted Sep 15, 2009·2 cites·4 claims
- 2670US7557176B2Polyhydroxyalkanoic acid having vinyl, ester, carboxyl or sulfonic acid group and producing method thereforCANON KK·Filed 2005·Granted Jul 7, 2009·1 cites·4 claims
- 2770US7470768B2Polyhydroxyalkanoate having vinyl group, ester group, carboxyl group, and sulfonic group, and method of producing the sameCANON KK·Filed 2005·Granted Dec 30, 2008·1 cites·11 claims
- 2869US9416276B2Method for producing contrast agentCANON KK·Filed 2014·Granted Aug 16, 2016·1 cites·10 claims
- 2967US6649380B1Method for controlling molecular weight of polyhydroxyalkanote constituted on units containing residue of pheynyl-, thienyl-, or cyclohexyl-structure in side chain of moleculeCANON KK·Filed 2003·Granted Nov 18, 2003·22 cites·12 claims
- 3059US2007275317A1Resin for toner and tonerCANON KK·Filed 2007·Application pending·0 cites
- 3159US2014023584A1Contrast agent for photoacoustic imaging and photoacoustic imaging method using the sameCANON KK·Filed 2013·Application pending·0 cites
- 3256US8974830B2Particles and contrast agent including the same for optical imagingCANON KK·Filed 2013·Granted Mar 10, 2015·0 cites·11 claims
- 3355US7459517B2Polyhydroxyalkanoate, process for preparing the same, and resin composition containing the polyhydroxyalkanoateCANON KK·Filed 2003·Granted Dec 2, 2008·5 cites·34 claims
- 3454US10828380B2Conjugate of polysarcosine and NIR contrast agent for photoacoustic imagingCANON KK·Filed 2016·Granted Nov 10, 2020·0 cites·6 claims
- 3553US2010121023A1Polymer having a sulfonic group or a sulfonate group and an amide group and method of producing sameCANON KK·Filed 2009·Application pending·0 cites
- 3652US2015037254A1Contrast agent for photoacoustic imagingCANON KK·Filed 2014·Application pending·0 cites
- 3752US2014377180A1Photoacoustic contrast agent having lipid particle containing silicon naphthalocyanine analogCANON KK·Filed 2014·Application pending·0 cites
- 3852US2015037255A1Phthalocyanine dye-containing contrast agent for photoacoustic imagingCANON KK·Filed 2014·Application pending·0 cites
- 3951US10271734B2Photoacoustic apparatusCANON KK·Filed 2016·Granted Apr 30, 2019·0 cites·18 claims
- 4050US7425432B2Polyhydroxy alkanoate copolymer including within molecule unit having vinyl group or carboxyl group in side chain, and producing method thereforCANON KK·Filed 2003·Granted Sep 16, 2008·0 cites·3 claims
- 4150US2012027679A1Contrast agent for photoacoustic imaging and photoacoustic imaging method using the sameYAMAUCHI FUMIO·Filed 2011·Application pending·0 cites
- 4249US10172964B2Compound or salt thereof and contrast agent for optical imagingCANON KK·Filed 2017·Granted Jan 8, 2019·0 cites·11 claims
- 4349US9610367B2Particle and contrast agent having the particleITO SHINZABURO·Filed 2011·Granted Apr 4, 2017·0 cites·20 claims
- 4448US7553922B2Polyhydroxyalkanoate having ester group, carboxyl group, and sulfonic group, and method of producing the sameCANON KK·Filed 2005·Granted Jun 30, 2009·0 cites·6 claims
- 4548US2007117945A1Novel polymer, charge control agent, and toner for developing electrostatic latent imagesCANON KK·Filed 2006·Application pending·0 cites
- 4646US2012052017A1Method for producing contrast agent for optical imagingKATO KOUICHI·Filed 2011·Application pending·0 cites
- 4745US2013095038A1Particles, and photoacoustic imaging contrast agent and sln contrast agent including the particlesCANON KK·Filed 2012·Application pending·0 cites
- 4844US10743770B2Photoacoustic deviceCANON KK·Filed 2016·Granted Aug 18, 2020·0 cites·22 claims
- 4944US2012052011A1Composition and a method for producing contrast agent using the compositionFUKUI TATSUKI·Filed 2011·Application pending·0 cites
- 5044US2011117023A1Contrast agent for photoacoustic imaging and photoacoustic imaging method using the sameCANON KK·Filed 2011·Application pending·0 cites
Showing the top 50 of 59 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Tatsuki Fukui 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 →