Patents by Inventor Jiro Yokoyama

Jiro Yokoyama 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: 8785104
    Abstract: A resist composition and a pattern forming method using the composition are provided, the resist composition including: (A) a resin that decomposes by an action of an acid to increase a solubility of the resin (A) in an alkali developer; (B) a compound capable of generating an acid upon irradiation with actinic rays or radiation; (C) a compound represented by formula (C1); and (D) a solvent: wherein n represents an integer of 1 to 6; w represents an integer of 1 to 6; p represents an integer of 1 to 6; m represents an integer of 1 to 6; Ra, Rb, Rc and Rd each independently represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group or an aralkyl group, provided that Ra and Rb may combine together to form a ring, and Rc and Rd may combine together to form a ring.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: July 22, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Kazuyoshi Mizutani, Jiro Yokoyama, Shinichi Sugiyama
  • Patent number: 8349535
    Abstract: According to one embodiment, an actinic ray-sensitive or radiation-sensitive resin composition includes (A) a resin containing the repeating units of formulae (I), (II) and (III) that when acted on by an acid, becomes soluble in an alkali developer, and (B) a compound that when irradiated with actinic rays or radiation, generates a fluorine-containing acid, wherein each of R1 independently represents a hydrogen atom or an optionally substituted methyl group, R2 represents a halogen atom, an optionally substituted alkyl group, an optionally substituted cycloalkyl group, an optionally substituted aryl group or an optionally substituted aralkyl group, and n is an integer of 0 to 5, provided that when n is 2 or greater, multiple R2s may be identical to or different from each other.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: January 8, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Kana Fujii, Takamitsu Tomiga, Toru Tsuchihashi, Kazuyoshi Mizutani, Jiro Yokoyama, Shinichi Sugiyama, Shuji Hirano, Toru Fujimori
  • Patent number: 7989137
    Abstract: A resist composition includes (A) a resin including: a repeating unit capable of decomposing by the action of an acid to increase solubility in an alkali developing solution and represented by formula (I), and a repeating unit represented by formula (II); and (B) a compound capable of generating an acid upon irradiation with actinic ray or radiation: wherein A represents a hydrogen atom, an alkyl group, a hydroxyl group, an alkoxyl group, a halogen atom, a cyano group, a nitro group, an acyl group, an acyloxy group, a cycloalkyl group, an aryl group, a carboxyl group, an alkyloxycarbonyl group, an alkylcarbonyloxy group, or an aralkyl group; Ra represents a group containing a group capable of decomposing by the action of an acid; Rb represents an alkylene group, a cycloalkylene group, or a group of combining these groups; Y represents a heterocyclic group; and m represents 0 or 1.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: August 2, 2011
    Assignee: Fujifilm Corporation
    Inventors: Shuji Hirano, Kazuyoshi Mizutani, Shinichi Sugiyama, Jiro Yokoyama
  • Patent number: 7923196
    Abstract: A positive resist composition comprising (A) a resin which contains all of the repeating units represented by formulae (I) to (III), and becomes soluble in an alkali developer by the action of an acid, and (B) a compound capable of generating an acid upon irradiation with an actinic ray or radiation; and a pattern forming method using the composition. A represents a group capable of decomposing and leaving by the action of an acid, each R1 independently represents hydrogen or a methyl group, R2 represents a phenyl group or a cyclohexyl group, m represents 1 or 2, and n represents an integer of 0 to 2. By virtue of this construction, a resist composition ensuring high resolution, good pattern profile, sufficient depth of focus, little defects after development, and sufficiently high plasma etching resistance is provided.
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: April 12, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Toru Tsuchihashi, Kazuyoshi Mizutani, Shuji Hirano, Jiro Yokoyama, Shinichi Sugiyama
  • Publication number: 20110081612
    Abstract: According to one embodiment, an actinic ray-sensitive or radiation-sensitive resin composition includes (A) a resin containing the repeating units of formulae (I), (II) and (III) that when acted on by an acid, becomes soluble in an alkali developer, and (B) a compound that when irradiated with actinic rays or radiation, generates a fluorine-containing acid, wherein each of R1 independently represents a hydrogen atom or an optionally substituted methyl group, R2 represents a halogen atom, an optionally substituted alkyl group, an optionally substituted cycloalkyl group, an optionally substituted aryl group or an optionally substituted aralkyl group, and n is an integer of 0 to 5, provided that when n is 2 or greater, multiple R2s may be identical to or different from each other.
    Type: Application
    Filed: September 30, 2010
    Publication date: April 7, 2011
    Applicant: FUJIFILM Corporation
    Inventors: Kana FUJII, Takamitsu Tomiga, Toru Tsuchihashi, Kazuyoshi Mizutani, Jiro Yokoyama, Shinichi Sugiyama, Shuji Hirano, Toru Fujimori
  • Publication number: 20110014570
    Abstract: A resist composition and a pattern forming method using the composition are provided, the resist composition including: (A) a resin that decomposes by an action of an acid to increase a solubility of the resin (A) in an alkali developer; (B) a compound capable of generating an acid upon irradiation with actinic rays or radiation; (C) a compound represented by formula (C1); and (D) a solvent: wherein n represents an integer of 1 to 6; w represents an integer of 1 to 6; p represents an integer of 1 to 6; m represents an integer of 1 to 6; Ra, Rb, Rc and Rd each independently represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group or an aralkyl group, provided that Ra and Rb may combine together to form a ring, and Rc and Rd may combine together to form a ring.
    Type: Application
    Filed: March 13, 2009
    Publication date: January 20, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Kazuyoshi Mizutani, Jiro Yokoyama, Shinichi Sugiyama
  • Publication number: 20100248146
    Abstract: A positive resist composition comprising (A) a resin which contains all of the repeating units represented by formulae (I) to (III), and becomes soluble in an alkali developer by the action of an acid, and (B) a compound capable of generating an acid upon irradiation with an actinic ray or radiation; and a pattern forming method using the composition. A represents a group capable of decomposing and leaving by the action of an acid, each R1 independently represents hydrogen or a methyl group, R2 represents a phenyl group or a cyclohexyl group, m represents 1 or 2, and n represents an integer of 0 to 2. By virtue of this construction, a resist composition ensuring high resolution, good pattern profile, sufficient depth of focus, little defects after development, and sufficiently high plasma etching resistance is provided.
    Type: Application
    Filed: August 1, 2008
    Publication date: September 30, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Toru Tsuchihashi, Kazuyoshi Mizutani, Shuji Hirano, Jiro Yokoyama, Shinichi Sugiyama
  • Publication number: 20090087789
    Abstract: A resist composition includes (A) a resin including: a repeating unit capable of decomposing by the action of an acid to increase solubility in an alkali developing solution and represented by formula (I), and a repeating unit represented by formula (II); and (B) a compound capable of generating an acid upon irradiation with actinic ray or radiation: wherein A represents a hydrogen atom, an alkyl group, a hydroxyl group, an alkoxyl group, a halogen atom, a cyano group, a nitro group, an acyl group, an acyloxy group, a cycloalkyl group, an aryl group, a carboxyl group, an alkyloxycarbonyl group, an alkylcarbonyloxy group, or an aralkyl group; Ra represents a group containing a group capable of decomposing by the action of an acid; Rb represents an alkylene group, a cycloalkylene group, or a group of combining these groups; Y represents a heterocyclic group; and m represents 0 or 1.
    Type: Application
    Filed: September 26, 2008
    Publication date: April 2, 2009
    Applicant: FUJIFILM CORPORATION
    Inventors: Shuji HIRANO, Kazuyoshi MIZUTANI, Shinichi SUGIYAMA, Jiro YOKOYAMA
  • Patent number: 7489951
    Abstract: A portable telephone set capable of recognizing a call during music replay is disclosed. This portable telephone set comprises talking means and music replay means, and posts a call when receiving the same during music replay by the music replay means. Thus, the call can be recognized during the music replay.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: February 10, 2009
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Miwa Kanamori, Yuichi Kanai, Seiya Ota, Toshiaki Hioki, Yoshihiro Hori, Megumi Makino, Masaya Okumura, Jiro Yokoyama, Tohru Kawabata
  • Publication number: 20040106432
    Abstract: A portable telephone set capable of recognizing a call during music replay is disclosed. This portable telephone set comprises talking means and music replay means, and posts a call when receiving the same during music replay by the music replay means. Thus, the call can be recognized during the music replay.
    Type: Application
    Filed: November 25, 2003
    Publication date: June 3, 2004
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Miwa Kanamori, Yuichi Kanai, Seiya Ota, Toshiaki Hioki, Yoshihiro Hori, Megumi Makino, Masaya Okumura, Jiro Yokoyama, Tohru Kawabata
  • Patent number: 6662022
    Abstract: A portable telephone set capable of recognizing a call during music replay is disclosed. This portable telephone set comprises talking means and music replay means, and posts a call when receiving the same during music replay by the music replay means. Thus, the call can be recognized during the music replay.
    Type: Grant
    Filed: April 17, 2000
    Date of Patent: December 9, 2003
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Miwa Kanamori, Yuichi Kanai, Seiya Ota, Toshiaki Hioki, Yoshihiro Hori, Megumi Makino, Masaya Okumura, Jiro Yokoyama, Tohru Kawabata
  • Patent number: 4699852
    Abstract: The present application provides a fuel battery by which a loss due to electric resistance in a cathode, an electrolyte and an anode is decreased and which comprises a plurality of unit fuel cells each having the cylindrical anode, the cylindrical solid electrolyte in contact with the anode and the cylindrical cathode in contact with the cylindrical solid electrolyte, with the plurality of unit fuel cells being connected to each other with the interposition of connectors, the fuel battery being characterized in that the thickness of the anode is smaller with distance from the portion thereof connected to the cathode of the adjacent fuel cell, and the thickness of the cathode is smaller with distance from the portion thereof connected to the anode of the other adjacent fuel cell.
    Type: Grant
    Filed: August 22, 1986
    Date of Patent: October 13, 1987
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Jiro Yokoyama, Seiichi Tanabe