Patents by Inventor Kouji Toishi

Kouji Toishi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7579497
    Abstract: The present invention provides a salt of the formula (I): wherein ring Y represents monocyclic or polycyclic hydrocarbon group having 3 to 30 carbon atoms, in which one —CH2— group is substituted with —COO— group, and at least one hydrogen atom in the monocyclic or polycyclic hydrocarbon group may optionally be substituted with alkyl group having 1 to 6 carbon atom, alkoxy group having 1 to 6 carbon atom, perfluoroalkyl group having 1 to 4 carbon atoms, hydroxyalkyl group having 1 to 6 carbon atoms, hydroxyl group or cyano group; Q1 and Q2 each independently represent fluorine atom or perfluoroalkyl group having 1 to 6 carbon atoms; A+ represents organic counter ion; and n shows an integer of 0 to 12. The present invention also provides a chemically amplified resist composition comprising the salt of the formula (I).
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: August 25, 2009
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yukako Harada, Ichiki Takemoto, Kouji Toishi
  • Patent number: 7304175
    Abstract: The present invention provides a salt of the formula (I) wherein X represents —OH or —Y—OH, n shows an integer of 1 to 9, A+ represents an organic counter ion, Y represents a divalent saturated aliphatic hydrocarbon group having 1 to 6 carbon atoms. The present invention also provides a chemically amplified resist composition comprising the salt of the formula (I).
    Type: Grant
    Filed: February 14, 2006
    Date of Patent: December 4, 2007
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yukako Harada, Ichiki Takemoto, Kouji Toishi
  • Publication number: 20070088131
    Abstract: The present invention provides a sulfonate of the formula (I): wherein Q1, Q2, Q3, Q4 and Q5 each independently represent hydrogen, alkyl having 1 to 16 carbon atoms, alkoxy having 1 to 16 carbon atoms, halogen, aryl having 6 to 12 carbon atoms, aralkyl having 7 to 12 carbon atoms, cyano, sulfide, hydroxy, nitro or a group of the formula (I?) —COO—X—Cy1 ??(I?) wherein X represents alkylene and at least one —CH2— in the alkylene may be substituted by —O— or —S—, and Cy1 represents alicyclic hydrocarbon having 3 to 20 carbon atoms, and A+ represents a counter ion, with the proviso that at least one of Q1, Q2, Q3, Q4 and Q5 is the group of the formula (I?).
    Type: Application
    Filed: December 14, 2006
    Publication date: April 19, 2007
    Inventors: Kouji Toishi, Yasunori Uetani
  • Publication number: 20070078269
    Abstract: The present invention provides a salt of the formula (I): wherein ring Y represents monocyclic or polycyclic hydrocarbon group having 3 to 30 carbon atoms, in which one —CH2— group is substituted with —COO— group, and at least one hydrogen atom in the monocyclic or polycyclic hydrocarbon group may optionally be substituted with alkyl group having 1 to 6 carbon atom, alkoxy group having 1 to 6 carbon atom, perfluoroalkyl group having 1 to 4 carbon atoms, hydroxyalkyl group having 1 to 6 carbon atoms, hydroxyl group or cyano group; Q1 and Q2 each independently represent fluorine atom or perfluoroalkyl group having 1 to 6 carbon atoms; A+ represents organic counter ion; and n shows an integer of 0 to 12. The present invention also provides a chemically amplified resist composition comprising the salt of the formula (I).
    Type: Application
    Filed: March 28, 2006
    Publication date: April 5, 2007
    Applicant: Sumitomo Chemical Company, Limited
    Inventors: Yukako Harada, Ichiki Takemoto, Kouji Toishi
  • Patent number: 7132218
    Abstract: The present invention provide a chemically amplified positive resist composition comprising a resin which contains a structural unit having an acid labile group and which itself is insoluble or poorly soluble in an alkali aqueous solution and becomes soluble in an alkali aqueous solution by the action of an acid; an acid generator; and a compound of the formula (C-1) wherein R1 and R2 each independently represents a hydrogen or an alkyl having 1 to 4 carbon atoms, R3, R4 and R5 each independently represents a hydrogen or a hydroxyl.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: November 7, 2006
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kouji Toishi, Yoshiyuki Takata, Satoshi Yamaguchi
  • Patent number: 7129014
    Abstract: The present invention provides a positive resist composition comprising a resin which itself is insoluble or poorly soluble in an alkali aqueous solution but becomes soluble in an alkali aqueous solution by the action of an acid, an acid generator, and multifunctional epoxy compound, wherein the content of halogen atoms in the resin is 40% by weight or more, at least one of structural units constituting the resin is a structural unit having an alicyclic hydrocarbon skeleton, and the structural unit having an alicyclic hydrocarbon skeleton contains therein at least one group rendering the resin soluble in an alkali aqueous solution by the action of an acid, and at least one halogen atom.
    Type: Grant
    Filed: April 2, 2003
    Date of Patent: October 31, 2006
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kouji Toishi, Yoshiko Miya, Yasunori Uetani
  • Publication number: 20060194982
    Abstract: The present invention provides a salt of the formula (I) wherein X represents —OH or —Y—OH, n shows an integer of 1 to 9, A+ represents an organic counter ion, Y represents a divalent saturated aliphatic hydrocarbon group having 1 to 6 carbon atoms. The present invention also provides a chemically amplified resist composition comprising the salt of the formula (I).
    Type: Application
    Filed: February 14, 2006
    Publication date: August 31, 2006
    Applicant: Sumitomo Chemical Company, Limited
    Inventors: Yukako Harada, Ichiki Takemoto, Kouji Toishi
  • Publication number: 20050214676
    Abstract: The present invention provide a chemically amplified positive resist composition comprising a resin which contains a structural unit having an acid labile group and which itself is insoluble or poorly soluble in an alkali aqueous solution and becomes soluble in an alkali aqueous solution by the action of an acid; an acid generator; and a compound of the formula (C-1) ?wherein R1 and R2 each independently represents a hydrogen or an alkyl having 1 to 4 carbon atoms, R3, R4 and R5 each independently represents a hydrogen or a hydroxyl.
    Type: Application
    Filed: March 18, 2005
    Publication date: September 29, 2005
    Inventors: Kouji Toishi, Yoshiyuki Takata, Satoshi Yamaguchi
  • Patent number: 6893792
    Abstract: The present invention provides a positive resist composition comprising a resin which itself is insoluble or poorly soluble in an alkali aqueous solution but becomes soluble in an alkali aqueous solution by the action of an acid, and an acid generator, wherein the content of halogen atoms in the resin is 40% by weight or more, at least one of structural units constituting the resin is a structural unit having an alicyclic hydrocarbon skeleton, and the structural unit having an alicyclic hydrocarbon skeleton contains therein at least one group rendering the resin soluble in an alkali aqueous solution by the action of an acid, and at least one halogen atom.
    Type: Grant
    Filed: February 14, 2003
    Date of Patent: May 17, 2005
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yoshiko Miya, Kouji Toishi, Kazuhiko Hashimoto
  • Publication number: 20040224251
    Abstract: The present invention provides a positive resist composition comprising
    Type: Application
    Filed: September 23, 2003
    Publication date: November 11, 2004
    Inventors: Kouji Toishi, Yasunori Uetani
  • Publication number: 20030236351
    Abstract: The present invention provides a positive resist composition comprising a resin which itself is insoluble or poorly soluble in an alkali aqueous solution but becomes soluble in an alkali aqueous solution by the action of an acid, an acid generator, and multifunctional epoxy compound, wherein the content of halogen atoms in the resin is 40% by weight or more, at least one of structural units constituting the resin is a structural unit having an alicyclic hydrocarbon skeleton, and the structural unit having an alicyclic hydrocarbon skeleton contains therein at least one group rendering the resin soluble in an alkali aqueous solution by the action of an acid, and at least one halogen atom.
    Type: Application
    Filed: April 2, 2003
    Publication date: December 25, 2003
    Inventors: Kouji Toishi, Yoshiko Miya, Yasunori Uetani
  • Publication number: 20030194639
    Abstract: The present invention provides a positive resist composition comprising a resin which itself is insoluble or poorly soluble in an alkali aqueous solution but becomes soluble in an alkali aqueous solution by the action of an acid, and an acid generator, wherein the content of halogen atoms in the resin is 40% by weight or more, at least one of structural units constituting the resin is a structural unit having an alicyclic hydrocarbon skeleton, and the structural unit having an alicyclic hydrocarbon skeleton contains therein at least one group rendering the resin soluble in an alkali aqueous solution by the action of an acid, and at least one halogen atom.
    Type: Application
    Filed: February 14, 2003
    Publication date: October 16, 2003
    Inventors: Yoshiko Miya, Kouji Toishi, Kazuhiko Hashimoto
  • Publication number: 20030175620
    Abstract: The present invention provides a chemical amplification type positive resist composition comprising a resin having structural units of the following general formulae (I) and (II) and insoluble or poorly soluble itself in an alkali aqueous solution but becoming soluble in an alkali aqueous solution by the action of an acid; an acid generating agent; and a multifunctional epoxy compound: 1
    Type: Application
    Filed: December 24, 2002
    Publication date: September 18, 2003
    Inventors: Kouji Toishi, Yoshiko Miya, Yasunori Uetani
  • Patent number: 6222023
    Abstract: A bisazo compound represented by the following general formula (1): wherein the variables are as defined in the specification, or a salt thereof is superior in various performance for dyeing and printing a fiber material.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: April 24, 2001
    Assignee: Sumitomo Chemical, Company, Limited
    Inventors: Kouji Toishi, Katsumi Agata, Toshiyuki Araki
  • Patent number: 6214977
    Abstract: A bisazo compound represented by the following general formula (1): wherein the variables are as defined in the specification and a method for dyeing or printing a fiber material using them are provided.
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: April 10, 2001
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kouji Toishi, Katsumi Agata, Toshiyuki Araki
  • Patent number: 5998591
    Abstract: There is provided a bisazo compound which is useful as a reactive dye for dyeing or printing a fiber material in an orange to scarlet or red color; the bisazo compound being represented by the following formula (1): ##STR1## wherein m and n represents 0 or 1; W represents a divalent connecting group represented by --NH-- or --NHCONH--;D.sup.1 and D.sup.2 represent a group represented by the following formula (2a), (2b), (2c) or (2d) ##STR2## wherein Y represents --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 L, in which L represents a group eliminatable by the action of an alkali.
    Type: Grant
    Filed: May 20, 1998
    Date of Patent: December 7, 1999
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kouji Toishi, Nobutaka Kunimi, Yoshiteru Ohta
  • Patent number: 5962655
    Abstract: There is provided a monoazo compound which is useful as a reactive dye for dyeing or printing a fiber material in an orange to scarlet color; and intermediate compounds for producing the compound is provided; the monoazo compound being represented by the following formula (1): ##STR1## wherein m represents 0 or 1; R.sup.1 represents a hydrogen atom or a lower alkyl group; D represents a specific diazo component of benzene type having substitution of a fiber reactive group; B.sup.1 represents a direct bond or connecting group; Z.sup.1 represents an alkylcarbonyl group, phenylcarbonyl group or a fiber-reactive group of vinylsulfone, triazine or pirimidine type; a group represented by --NR.sup.1 -- bonds to 6-position or 7-position of a naphthalene ring;and the intermediate compounds being represented by the following formulae (A) or (B): ##STR2## wherein U represents a connecting group such as alkylene and the like, Y represents vinyl or --CH.sub.2 CH.sub.
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: October 5, 1999
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Nobutaka Kunimi, Shigeru Sasaki, Kouji Toishi, Atsushi Inoue
  • Patent number: 5886159
    Abstract: A bisazo compound represented by the following general formula (I) or its salt is a useful fiber-reactive dye: ##STR1## where D is a phenyl or naphthyl group; B is a phenylene group, etc.; U is an aliphatic or aromatic linking group; Z is a vinyl group, etc.; and X and Y are a halogen atom, a pyridinio group, etc.
    Type: Grant
    Filed: August 18, 1997
    Date of Patent: March 23, 1999
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Nobutaka Kunimi, Kouji Toishi