Inventor · disambiguated record
Etsuko Sugawa
Also filed as: SUGAWA ETSUKO
40 granted patents·3 pending applications·863 citations·filing 1985–2005
98Inventor score
Top patents by PatentIndex Score
43 records- 0195US7682765B2Toner for developing electrostatic imagesCANON KK·Filed 2005·Granted Mar 23, 2010·23 cites·7 claims
- 0295US6803444B2Polyhydroxyalkanoate polyester having vinyl phenyl structure in the side chain and its production methodCANON KK·Filed 2002·Granted Oct 12, 2004·45 cites·20 claims
- 0394US7408017B2Polyhydroxyalkanoate 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
- 0494US6908721B2Polyhydroxyalkanoate 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
- 0594US6908720B2Polyhydroxyalkanoate, its production method, charge control agent containing the polyhydroxyalkanoate, toner binder and toner, and image forming method and image forming apparatus using the tonerCANON KK·Filed 2002·Granted Jun 21, 2005·47 cites·32 claims
- 0694US6808854B2Polyhydroxyalkanoates having in its side chain phenylsulfinyl structure and/or phenyl sulfonyl structure and production process therefor; charge control agent, toner binder and toner containing same; and image forming method and image forming apparatus using the tonerCANON KK·Filed 2002·Granted Oct 26, 2004·42 cites·30 claims
- 0793US6861550B2Polyhydroxyalkanoate containing 3-hydroxybenzoylalkanoic acid as monomer unit, and method for producing the sameCANON KK·Filed 2001·Granted Mar 1, 2005·33 cites·24 claims
- 0893US6777153B2Polyhydroxyalkanoate containing unit with thienyl structure in the side chain, process for its production, charge control agent, toner binder and toner which contain this polyhydroxyalkanoate, and image-forming method and image-forming apparatus which make use of the tonerCANON KK·Filed 2002·Granted Aug 17, 2004·38 cites·40 claims
- 0992US6828074B2Binder resin containing polyhydroxyalkanoate, toner containing the binder resin, and image-forming method and image-forming apparatus which make use of the tonerCANON KK·Filed 2002·Granted Dec 7, 2004·37 cites·10 claims
- 1091US7045321B2Polyhydroxyalkanoate 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
- 1191US6869782B2Polyhydroxyalkanoate that comprises unit having (methylsulfanyl) phenoxy structure in side chain thereof and process for producing the sameCANON KK·Filed 2002·Granted Mar 22, 2005·31 cites·29 claims
- 1291US6858367B2Binder resin containing novel polyhydroxyalkanoate, toner containing the binder resin, and image-forming method and image-forming apparatus which make use of the tonerCANON KK·Filed 2002·Granted Feb 22, 2005·37 cites·10 claims
- 1390US6911520B2Polyhydroxyalkanoate, 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
- 1490US6855472B2Polyhydroxyalkanoate, producing method therefor, charge control agent containing such polyhydroxyalkanoate, toner containing such control agent and image forming method and image forming apparatus utilizing such tonerCANON KK·Filed 2002·Granted Feb 15, 2005·36 cites·30 claims
- 1590US6635782B2Polyhydroxyalkanoate and manufacturing method thereofCANON KK·Filed 2001·Granted Oct 21, 2003·26 cites·27 claims
- 1689US6645743B1Polyhydroxyalkanoate 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
- 1786US6911521B2Polyhydroxyalkanoate that comprises unit having substituted or unsubstituted (phenylmethyl) sulfanyl structure in side chain thereof and process for producing the sameCANON KK·Filed 2002·Granted Jun 28, 2005·12 cites·37 claims
- 1886US6808907B2Method and apparatus for producing polyhydroxyalkanoateCANON KK·Filed 2002·Granted Oct 26, 2004·28 cites·15 claims
- 1986US6686439B2Polyhydroxyalkanoate and method of producing same, and ω-(2-thienylsulfanyl) alkanoic acid and method of producing sameCANON KK·Filed 2002·Granted Feb 3, 2004·49 cites·21 claims
- 2085US6872788B2Production method of polyester containing epoxy group in side chain and production method of crosslinked polymerCANON KK·Filed 2003·Granted Mar 29, 2005·10 cites·18 claims
- 2184US6861496B2Polyhydroxyalkonoate and method of producing same, and ω-(2-thienylsulfanyl) alkanoic acid and method of producing sameCANON KK·Filed 2003·Granted Mar 1, 2005·43 cites·6 claims
- 2282US7078200B2Method for manufacturing a polyhydroxyalkanoateCANON KK·Filed 2003·Granted Jul 18, 2006·7 cites·19 claims
- 2381US7056708B2Method of producing polyhydroxyalkanoate from alkane having residue containing aromatic ring in its moleculeCANON KK·Filed 2003·Granted Jun 6, 2006·8 cites·20 claims
- 2475US7135540B2Polyhydroxyalkanoate 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
- 2567US6649380B1Method 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
- 2667US6319706B1Process and apparatus for remedying polluted mediaCANON KK·Filed 1998·Granted Nov 20, 2001·25 cites·8 claims
- 2763US6800257B1Process for preparing trichloracetic acid and apparatus for use in such processCANON KK·Filed 2000·Granted Oct 5, 2004·8 cites·12 claims
- 2860US6776886B2Method for treating colored liquid and apparatus for treating colored liquidCANON KK·Filed 2003·Granted Aug 17, 2004·5 cites·14 claims
- 2958US6716399B2Apparatus for decomposing halogenated aliphatic hydrocarbon compounds or aromatic compoundsCANON KK·Filed 2003·Granted Apr 6, 2004·1 cites·9 claims
- 3058US2005054063A1Method and apparatus for producing polyhydroxyalkanoateCANON KK·Filed 2004·Application pending·0 cites
- 3150US7425432B2Polyhydroxy 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
- 3249US2003164286A1Apparatus for decomposing halogenated aliphatic hydrocarbon compounds or aromatic compoundsCANON KK·Filed 2003·Application pending·0 cites
- 3348US6616815B2Method of decomposing halogenated aliphatic hydrocarbon compounds or aromatic compounds and apparatus to be used for the same as well as method of clarifying exhaust gas and apparatus to be used for the sameCANON KK·Filed 1999·Granted Sep 9, 2003·13 cites·22 claims
- 3448US5906932AProcess for soil remediation and apparatus used thereforCANON KABUSHIKI KAISHA & RAITO·Filed 1997·Granted May 25, 1999·15 cites·14 claims
- 3547US6610178B2Method for decomposing halogenated aliphatic hydrocarbon compounds or aromatic compounds, method for cleaning medium contaminated with at least one of these compounds, and apparatus for theseCANON KK·Filed 1999·Granted Aug 26, 2003·11 cites·5 claims
- 3647US6589396B2Method for treating colored liquid and apparatus for treating colored liquidCANON KK·Filed 1999·Granted Jul 8, 2003·11 cites·29 claims
- 3746US4785762AApparatus for forming filmCANON KK·Filed 1987·Granted Nov 22, 1988·8 cites·5 claims
- 3845US2002052444A1Production method of polyester containing epoxy group in side chain and production method of crosslinked polymerFiled 2001·Application pending·0 cites
- 3941US6368019B2Method for soil remediationCANON KK·Filed 1998·Granted Apr 9, 2002·8 cites·14 claims
- 4041US4674436AFilm forming apparatusCANON KK·Filed 1985·Granted Jun 23, 1987·7 cites·6 claims
- 4138US6395533B1Recovering microorganisms from soil by suspending soil in a citrate bufferCANON KK·Filed 1995·Granted May 28, 2002·6 cites·13 claims
- 4237US4873178AOptical recording medium and method for conducting recording on said mediumCANON KK·Filed 1988·Granted Oct 10, 1989·3 cites·8 claims
- 4336US5753003AMethod for bio-remedying polluted soilCANON KK·Filed 1997·Granted May 19, 1998·5 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →