Patents by Inventor Koji Ichikawa

Koji Ichikawa 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).

  • Publication number: 20160200702
    Abstract: A salt represented by the formula (I): wherein R1 represents a C1 to C12 alkyl group in which a methylene group can be replaced by an oxygen atom or a carbonyl group; Q1 and Q2 each independently represent a fluorine atom or a C1 to C6 perfluoroalkyl group; A1 represents a lactone ring-containing group which has 4 to 24 carbon atoms; R2 represents an acid-labile group; and “m” represents an integer of 0 to 3.
    Type: Application
    Filed: January 5, 2016
    Publication date: July 14, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Hiromu SAKAMOTO, Koji ICHIKAWA
  • Patent number: 9387564
    Abstract: A glass sheet processing apparatus processes an edge surface of a glass sheet using a processing tool. The glass sheet processing apparatus includes a pressing force generation element and a buffering element. The pressing force generation element generates a pressing force that the processing tool exerts on the edge surface of the glass sheet. The buffering element buffers an impact force that the edge surface of the glass sheet exerts on the processing tool.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: July 12, 2016
    Assignee: Nippon Electric Glass Co., Ltd.
    Inventors: Tetsuya Matsushita, Koji Ichikawa
  • Publication number: 20160195809
    Abstract: A photoresist composition comprising a resin having an acid-labile group; a salt represented by the formula (I); and a salt represented by the formula (B1).
    Type: Application
    Filed: January 4, 2016
    Publication date: July 7, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Mitsuyoshi OCHIAI, Koji ICHIKAWA
  • Patent number: 9375434
    Abstract: An antitumor effect potentiator for potentiating one or more other antitumor agents, comprising, as an active ingredient, an imidazooxazine compound represented by Formula (I), or a pharmaceutically acceptable salt thereof, wherein A, B, C, and D represent C—R1a, C—R1b, C—R1c, and C—R1d, respectively, or one or two of A, B, C, and D represent an N atom; at least two of R1a, R1b, R1c, and R1d represent hydrogen, and the other(s) represent(s) halogen; cyano; C1-6 alkyl that may have hydroxyl group(s) as substituent(s); C1-6 alkoxy; carbonyl having, as a substituent, hydroxyl, amino, optionally substituted mono- or di-(C1-6 alkyl)amino, or mono- or di-(C1-6 alkoxy)amino; or an unsaturated heterocyclic group; R2 represents phenyl, pyridyl, or thienyl; R3 represents hydrogen, methyl, ethyl, or cyclopropyl; and R4 represents hydrogen or hydroxy.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: June 28, 2016
    Assignee: Taiho Pharmaceutical Co., Ltd.
    Inventors: Koji Ichikawa, Megumu Okada
  • Publication number: 20160170298
    Abstract: A salt represented by the formula (I): wherein Q1 and Q2 each independently represent a fluorine atom or a C1 to C6 perfluoroalkyl group; R1 represents a C1 to C12 alkyl group in which a methylene group may be replaced by an oxygen atom or a carbonyl group; A1 represents a C2 to C8 alkanediyl group; and R2 represents a C5 to C18 alicyclic hydrocarbon group in which a hydrogen atom may be replaced by a hydroxy group, and in which a methylene group may be replaced by an oxygen atom or a carbonyl group, and which alicyclic hydrocarbon group may have a cyclic ketal structure optionally having a fluorine atom; and “m” represents an integer of 0, 1, 2 or 3.
    Type: Application
    Filed: December 10, 2015
    Publication date: June 16, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yukako ANRYU, Koji ICHIKAWA
  • Publication number: 20160168115
    Abstract: A salt represented by formula (I): wherein R1 and R2 independently represent a hydrogen atom, a hydroxy group or a C1 to C12 hydrocarbon group in which a methylene group may be replaced by a —O— or —CO—; m and n independently represent 1 or 2; Ar represents an optionally substituted phenyl group; Q1 and Q2 independently represent a fluorine atom or a C1 to C6 perfluoroalkyl group, A1 represents a single bond, a C1 to C24 alkanediyl group or the like, and Y represents an optionally substituted C1 to C18 alkyl group or monovalent C3 to C18 alicyclic hydrocarbon group, and a methylene group therein may be replaced by a —O—, O— or —SO2—, provided that the alkyl group or the alicyclic hydrocarbon group has at least one substituent, or at least one methylene group contained therein is replaced by a —O—, —CO— or —SO2—.
    Type: Application
    Filed: December 14, 2015
    Publication date: June 16, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Takayuki MIYAGAWA, Yukako ANRYU, Koji ICHIKAWA
  • Publication number: 20160170300
    Abstract: A photoresist composition comprising: a resin (A1) which has an acid-labile group; a resin (A2) which comprises a structural unit represented by formula (I); wherein R1 represents a C1-C13 fluorinated saturated hydrocarbon group, A1 represents a single bond, a C1-C6 alkanediyl group, or *-A2-X1-(A3-X2)a-(A4)b-, and R2 represents a C1-C18 hydrocarbon group; and an acid generator.
    Type: Application
    Filed: December 10, 2015
    Publication date: June 16, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tatsuro MASUYAMA, Shingo FUJITA, Koji ICHIKAWA
  • Patent number: 9360754
    Abstract: The present invention provides a resin comprising a structural unit represented by the formula (aa): wherein T1 represents a C4-C34 sultone ring group optionally having one or more substituents, X2 represents —O— or —N(Rc)—, Rc represents a hydrogen atom or a C1-C6 alkyl group, when X2 is —O—, Z1 represents *—X1—, *—X3—CO—O—X1—, *—X3—CO—N(Rc)—X1—, *—X3—O—CO—X1— or *—X3—N(Rc)—CO—X1—, when X2 is —N(Rc)—, Z1 represents *—X1—, *—X1—O—X3—, *—X1—CO—, *—X1—X4—CO—X3—, *—X1—CO—X4—X3—, *—X1—X4—CO—X3—CO— or *—X1—CO—X4—X3—CO—, X1 and X3 independently each represent a C1-C6 divalent aliphatic hydrocarbon group, X4 represents —O— or —N(Rc)—, * represents a binding position to X2, and R1 represents a C1-C6 alkyl group optionally having one or more halogen atoms, a hydrogen atom or a halogen atom.
    Type: Grant
    Filed: November 7, 2011
    Date of Patent: June 7, 2016
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Koji Ichikawa, Masahiko Shimada, Takashi Nishimura, Akira Kamabuchi, Hyungjoo Kim, Mitsuyoshi Ochiai
  • Publication number: 20160154304
    Abstract: A salt represented by formula (I): wherein Q1 and Q2 each independently represent a fluorine atom or a C1 to C6 perfluoroalkyl group, R1 and R2 each independently represent a hydrogen atom, a fluorine atom or a C1 to C6 perfluoroalkyl group, z represents an integer of 0 to 6, X1 represents *—O—, *—CO—O— or *—O—CO—, * represents a binding site to CR1R2 or CQ1Q2, L1 represents a C1 to C6 alkanediyl group, R3 represents a C5 to C18 alicyclic hydrocarbon group in which a hydrogen atom may be replaced by a hydroxy group, and in which a methylene group may be replaced by an oxygen atom or a carbonyl group, and which alicyclic hydrocarbon group may have a cyclic ketal structure optionally having a fluorine atom; and Z+ represents an organic cation.
    Type: Application
    Filed: November 27, 2015
    Publication date: June 2, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yukako ANRYU, Mitsuyoshi OCHIAI, Koji ICHIKAWA
  • Publication number: 20160145186
    Abstract: A compound which is non-ionic compound, the compound has a group represented by formula (Ia): wherein R2 represents a group having a C3 to C18 alicyclic hydrocarbon group where a methylene group may be replaced by an oxygen atom or a carbonyl group, Rf1 and Rf2 each independently represent a C1 to C4 perfluoroalkyl group, and * represents a binding site.
    Type: Application
    Filed: November 24, 2015
    Publication date: May 26, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tatsuro MASUYAMA, Yuichi MUKAI, Koji ICHIKAWA
  • Publication number: 20160147146
    Abstract: A non-ionic compound includes a group represented by formula (Ia): wherein R2 represents a group having a C5 to C18 alicyclic hydrocarbon group where a methylene group may be replaced by an oxygen atom or a carbonyl group, Rf1 and Rf2 each independently represent a C1 to C4 perfluoroalkyl group, and * represents a binding site.
    Type: Application
    Filed: November 24, 2015
    Publication date: May 26, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tatsuro MASUYAMA, Yuichi MUKAI, Koji ICHIKAWA
  • Publication number: 20160145205
    Abstract: A salt represented by formula (1): wherein Q1 and Q2 independently represent a fluorine atom or a C1 to C6 perfluoroalkyl group, R1 and R2 each independently represent a hydrogen atom, a fluorine atom or a C1 to C6 perfluoroalkyl group, z represents an integer of 0 to 6, R3 represents a hydrogen atom, a fluorine atom, a C1 to C12 alkyl group or a C1 to C12 fluorinated alkyl group, R4 represents a C1 to C12 fluorinated alkyl group, L2 represents a single bond, a C1 to C12 divalent saturated hydrocarbon group, etc., R5 represents a hydrogen atom, a halogen atom or a C1 to C6 alkyl group that may have a halogen atom, L1 represents a group represented by formula (b1-1), etc., * represents a bonding site to —CR3R4; Lb2 and Lb3 each independently represent a single bond or a C1 to C22 divalent saturated hydrocarbon group; Z+ represents an organic cation.
    Type: Application
    Filed: November 25, 2015
    Publication date: May 26, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Hiromu SAKAMOTO, Koji ICHIKAWA
  • Patent number: 9348221
    Abstract: A salt represented by the formula (I): wherein R1 and R2 independently each represent a hydrogen atom, a hydroxy group or a C1-C12 hydrocarbon group where a methylene group can be replaced by an oxygen atom or a carbonyl group; Ar represents a C6-C36 aromatic hydrocarbon group which can have a substituent or a C6-C36 heteroaromatic hydrocarbon group which can have a substituent; A? represents an organic anion; and “m” and “n” independently each represent an integer of 1 or 2.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: May 24, 2016
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yukako Anryu, Koji Ichikawa, Takahiro Yasue
  • Patent number: 9346750
    Abstract: A salt represented by the formula (X): wherein Q1 and Q2 each independently represent a fluorine atom etc., L1 and L2 independently each represent a C1-C17 divalent saturated hydrocarbon group, ring W1 represents a C3-C36 saturated hydrocarbon ring, R2 is independently in each occurrence a hydroxyl group etc., s represents an integer of 0 to 2, Z+ represents an organic counter ion, and W10 represents a group represented by the formula (X-1): wherein ring W2 represents a C4-C36 saturated hydrocarbon ring in which one or more —CH2— can be replaced by —O— or —CO—, with the proviso that at least one —CH2— in the C4-C36 saturated hydrocarbon ring is replaced by —CO—, R3 is independently in each occurrence a C1-C6 alkyl group etc., and t represents an integer of 0 to 2, or a group represented by the formula (X-2): wherein ring W3 represents a C3-C36 saturated hydrocarbon ring, R4 is independently in each occurrence a hydroxyl group etc., R5 is independently in each occurrence a C1-C6 alkyl group etc.
    Type: Grant
    Filed: November 16, 2010
    Date of Patent: May 24, 2016
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Koji Ichikawa, Mitsuyoshi Ochiai, Masako Sugihara
  • Publication number: 20160139508
    Abstract: A compound represented by formula (I): wherein R1 represents a hydrogen atom, a halogen atom or a C1 to C6 alkyl group in which a hydrogen atom may be replaced by a halogen atom, R2 represents a C5 to C18 hydrocarbon group consisting of the following groups (a) and (b): (a) a liner or branched divalent hydrocarbon group and (b) an alicyclic hydrocarbon group, Rf1 and Rf2 each independently represent a C1 to C4 perfluoroalkyl group, A1 represents a single bond, a C1 to C6 alkanediyl group or *-A2-X1-(A3-X2)a-(A4)b-, * represents a binding site to an oxygen atom, A2, A3 and A4 each independently represent a C1 to C6 alkanediyl group, X1 and X2 each independently represent —O—, —CO—O— or —O—CO—, a represents 0 or 1, and b represents 0 or 1.
    Type: Application
    Filed: November 13, 2015
    Publication date: May 19, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tatsuro MASUYAMA, Yuki SUZUKI, Koji ICHIKAWA
  • Publication number: 20160130210
    Abstract: A compound represented by formula (I), a resin including a structural unit derived from the compound and a resist composition including the resin: wherein R1 represents a hydrogen atom, a halogen atom or a C1 to C6 alkyl group in which a hydrogen atom may be replaced by a halogen atom, R2 represents a C1 to C6 perfluoroalkyl group or *—CHRf1Rf2, * represents a binding site to a carbonyl group, Rf1 and Rf2 each independently represent a C1 to C4 perfluoroalkyl group or Rf1 and Rf2 may be bonded together with a carbon atom bonded thereto to form a ring, A1 represents a single bond, a C1 to C6 alkanediyl group or **-A3-X1-(A4-X2)a-(A5)b-, ** represents a binding site to an oxygen atom, A2, A3, A4 and A5 each independently represent a C1 to C6 alkanediyl group, X1 and X2 each independently represent —O—, —CO—O— or —O—CO—, a and b each represent 0 or 1, and W1 represents a C5 to C18 divalent alicyclic hydrocarbon group.
    Type: Application
    Filed: November 10, 2015
    Publication date: May 12, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yukako ANRYU, Shingo FUJITA, Koji ICHIKAWA
  • Publication number: 20160130212
    Abstract: A compound represented by formula (I), a resin including a structural unit derived from the compound and a resist composition including the resin: wherein R1 represents a hydrogen atom, a halogen atom or a C1 to C6 alkyl group in which a hydrogen atom may be replaced by a halogen atom, R2 represents a C1 to C12 fluorinated saturated hydrocarbon group, A1 represents a single bond, a C1 to C6 alkanediyl group or *-A3-X1-(A4-X2)a-(A5)b-, * represents a binding site to an oxygen atom, A2, A3, A4 and A5 each independently represent a C1 to C6 alkanediyl group, X1 and X2 each independently represent —O—, —CO—O— or —O—CO—, W1 represents a C5 to C18 divalent alicyclic hydrocarbon group, a represents 0 or 1, and b represents 0 or 1.
    Type: Application
    Filed: November 10, 2015
    Publication date: May 12, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tatsuro MASUYAMA, Yuichi MUKAI, Koji ICHIKAWA
  • Publication number: 20160131975
    Abstract: A resist composition includes (A1) a resin having an acid-labile group, (A2) a resin which includes a structural unit represented by formula (I), and an acid generator: wherein R1 represents a hydrogen atom or a C3 to C18 alicyclic hydrocarbon group, A1 represents a single bond, a C1 to C6 alkanediyl group or *-A2-X1-(A3-X2)a-(A4)b-, * represents a binding site to an oxygen atom, A2, A3 and A4 each independently represent a C1 to C6 alkanediyl group, X1 and X2 each independently represent —O—, —CO—O— or —O—CO—, a represents 0 or 1, b represents 0 or 1, and R2 represents a C1 to C13 fluorinated saturated hydrocarbon group.
    Type: Application
    Filed: November 10, 2015
    Publication date: May 12, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tatsuro MASUYAMA, Shingo FUJITA, Koji ICHIKAWA
  • Publication number: 20160131971
    Abstract: A resist composition includes (A1) a resin having an acid-labile group, (A2) a resin which includes a structural unit represented by formula (I), and an acid generator: wherein R1 represents a hydrogen atom, a halogen atom or a C1 to C6 alkyl group in which a hydrogen atom can be replaced by a halogen atom, R2 represents a C1 to C12 fluorinated saturated hydrocarbon group, A1 represents a C2 to C6 alkanediyl group or *-A2-X1-(A3-X2)a-A4b-, * represents a binding site to an oxygen atom in —O—CO—, A2, A3 and A4 each independently represent a C1 to C6 alkanediyl group, X1 and X2 each independently represent —O—, —CO—O— or —O—CO—, and “a” represents 0 or 1.
    Type: Application
    Filed: November 10, 2015
    Publication date: May 12, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Mitsuyoshi OCHIAI, Shota NAKANO, Koji ICHIKAWA
  • Patent number: 9289431
    Abstract: An antitumor effect potentiator for potentiating one or more other antitumor agents, comprising, as an active ingredient, an imidazooxazine compound represented by Formula (I), or a pharmaceutically acceptable salt thereof, wherein A, B, C, and D represent C—R1a, C—R1b, C—R1c, and C—R1d, respectively, or one or two of A, B, C, and D represent an N atom; at least two of R1a, R1b, R1c, and R1d represent hydrogen, and the other(s) represent(s) halogen; cyano; C1-6 alkyl that may have hydroxyl group(s) as substituent(s); C1-6 alkoxy; carbonyl having, as a substituent, hydroxyl, amino, optionally substituted mono- or di-(C1-6 alkyl)amino, or mono- or di-(C1-6 alkoxy)amino; or an unsaturated heterocyclic group; R2 represents phenyl, pyridyl, or thienyl; R3 represents hydrogen, methyl, ethyl, or cyclopropyl; and R4 represents hydrogen or hydroxy.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: March 22, 2016
    Assignee: Taiho Pharmaceutical Co., Ltd.
    Inventors: Koji Ichikawa, Megumu Okada