Patents by Inventor Yoko TOKUGAWA

Yoko TOKUGAWA 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: 9454079
    Abstract: According to one embodiment, there is provided an actinic ray- or radiation-sensitive resin composition including (A) a compound represented by a general formula (1) below that generates an acid when exposed to actinic rays or radiation, and (B) a resin.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: September 27, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Akinori Shibuya, Yoko Tokugawa, Tomoki Matsuda, Junichi Ito, Shohei Kataoka, Toshiaki Fukuhara, Naohiro Tango, Kaoru Iwato, Masahiro Yoshidome, Shinichi Sugiyama
  • Patent number: 9316911
    Abstract: An actinic-ray- or radiation-sensitive resin composition according to the present invention includes (A) a resin to be decomposed to increase its solubility in an alkali developer when acted on by an acid, and (B) a compound represented by the general formula (1-1) below.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: April 19, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Tomoki Matsuda, Yoko Tokugawa, Akinori Shibuya
  • Patent number: 9081277
    Abstract: Provided are an actinic-ray- or radiation-sensitive resin composition that excels in the sensitivity, roughness characteristics and exposure latitude, and a method of forming a pattern using the same. The composition includes (A) a resin that when acted on by an acid, is decomposed to thereby increase its solubility in an alkali developer, and (B) a compound that when exposed to actinic rays or radiation, is decomposed to thereby generate an acid, the compound being any of compounds of general formula (1-1) below.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: July 14, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Tomoki Matsuda, Akinori Shibuya, Yoko Tokugawa, Shuhei Yamaguchi, Mitsuhiro Fujita
  • Publication number: 20140248562
    Abstract: According to one embodiment, there is provided an actinic ray- or radiation-sensitive resin composition including (A) a compound represented by a general formula (1) below that generates an acid when exposed to actinic rays or radiation, and (B) a resin.
    Type: Application
    Filed: May 7, 2014
    Publication date: September 4, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Akinori SHIBUYA, Yoko TOKUGAWA, Tomoki MATSUDA, Junichi ITO, Shohei KATAOKA, Toshiaki FUKUHARA, Naohiro TANGO, Kaoru IWATO, Masahiro YOSHIDOME, Shinichi SUGIYAMA
  • Publication number: 20140234759
    Abstract: According to one embodiment, there is provided an actinic ray- or radiation-sensitive resin composition containing (A) a resin containing a repeating unit represented by general formula (1) below and a repeating unit that is decomposed by an action of an acid to generate an alkali-soluble group, and (B) a compound that generates the acid when exposed to actinic rays or radiation, where L represents a bivalent connecting group, R1 represents a hydrogen atom or an alkyl group, and Z represents a cyclic acid anhydride structure.
    Type: Application
    Filed: March 28, 2014
    Publication date: August 21, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Shohei KATAOKA, Akinori SHIBUYA, Junichi ITO, Tomoki MATSUDA, Toshiaki FUKUHARA, Naohiro TANGO, Kaoru IWATO, Masahiro YOSHIDOME, Shinichi SUGIYAMA, Yoko TOKUGAWA
  • Publication number: 20140212814
    Abstract: Provided is an actinic-ray- or radiation-sensitive resin composition, including any of compounds of general formula (1) below that when exposed to actinic rays or radiation, is decomposed to thereby generate an acid and a resin that when acted on by an acid, is decomposed to thereby increase its solubility in an alkali developer.
    Type: Application
    Filed: March 28, 2014
    Publication date: July 31, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Junichi ITO, Akinori SHIBUYA, Tomoki MATSUDA, Yoko TOKUGAWA, Toshiaki FUKUHARA, Naohiro TANGO, Kaoru IWATO, Masahiro YOSHIDOME, Shinichi SUGIYAMA, Shohei KATAOKA
  • Publication number: 20140170564
    Abstract: There is provided an actinic ray-sensitive or radiation-sensitive resin composition containing (A) a compound represented by the following formula (1-1); an actinic ray-sensitive or radiation-sensitive film using the composition; and a pattern forming method: in the formula, R1, R2, R3, R4 and Y? are the same as those in formula (1-1) set forth in the description.
    Type: Application
    Filed: February 20, 2014
    Publication date: June 19, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Tomoki MATSUDA, Yoko TOKUGAWA, Akinori SHIBUYA
  • Publication number: 20130004741
    Abstract: An actinic-ray- or radiation-sensitive resin composition according to the present invention includes (A) a resin to be decomposed to increase its solubility in an alkali developer when acted on by an acid, and (B) a compound represented by the general formula (1-1) below.
    Type: Application
    Filed: June 29, 2012
    Publication date: January 3, 2013
    Applicant: FUJIFILM CORPORATION
    Inventors: Tomoki MATSUDA, Yoko TOKUGAWA, Akinori SHIBUYA
  • Publication number: 20120273924
    Abstract: Provided are an actinic-ray- or radiation-sensitive resin composition that excels in the sensitivity, roughness characteristics and exposure latitude, and a method of forming a pattern using the same. The composition includes (A) a resin that when acted on by an acid, is decomposed to thereby increase its solubility in an alkali developer, and (B) a compound that when exposed to actinic rays or radiation, is decomposed to thereby generate an acid, the compound being any of compounds of general formula (1-1) below.
    Type: Application
    Filed: December 22, 2011
    Publication date: November 1, 2012
    Applicant: FUJIFILM Corporation
    Inventors: Tomoki Matsuda, Akinori Shibuya, Yoko Tokugawa, Shuhei Yamaguchi, Mitsuhiro Fujita
  • Publication number: 20120164574
    Abstract: Provided is an actinic-ray-sensitive or radiation-sensitive resin composition that is excellent in depth of focus and density distribution dependency, and an actinic-ray-sensitive or radiation-sensitive film and a pattern forming method using the same. An actinic-ray-sensitive or radiation-sensitive resin composition according to the present invention includes (A) a first resin which decomposes by an action of an acid to increase a solubility of the first resin in an alkaline developer, (B) a second resin which includes at least one of a fluorine atom and a silicon atom and is different from the first resin, and (C) an onium salt which includes a nitrogen atom in a cation portion and generates an acid by being decomposed upon irradiation with actinic-ray or radiation.
    Type: Application
    Filed: December 13, 2011
    Publication date: June 28, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Yoko TOKUGAWA, Mitsuhiro FUJITA, Tomoki MATSUDA
  • Publication number: 20120135348
    Abstract: Provided are an actinic-ray-sensitive or radiation-sensitive resin composition which has improved development defect and is capable of forming a good pattern shape, an actinic-ray-sensitive or radiation-sensitive film formed using the composition, and a pattern forming method using the composition. The actinic-ray-sensitive or radiation-sensitive resin composition includes (A) a compound which generates an acid represented by the following general formula (I) or (I?) upon irradiation with an actinic-ray or a radiation, and (B) a resin which decomposes by an action of an acid to increase a solubility of the resin in an alkaline developer [each of the symbols in the general formulae (I) and (I?) indicates the meaning described in Claims].
    Type: Application
    Filed: November 28, 2011
    Publication date: May 31, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Akinori SHIBUYA, Yoko TOKUGAWA, Tomoki MATSUDA