Patents by Inventor Makiko Umezaki

Makiko Umezaki 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: 11479627
    Abstract: A film with reduced formation of an edge reservoir at a periphery of a film in which the edge reservoir causes an unnecessary residue that cannot be removed by an etching process, and a method for forming the film. A film forming composition for use in a lithography process includes a surfactant containing a polymer and an oligomer having a C3-5 perfluoroalkyl partial structure. The perfluoroalkyl partial structure may further include an alkyl partial structure. The surfactant is contained in an amount of 0.0001% by mass to 1.5% by mass based on the total solid content of the film forming composition. The film forming composition further includes a coating film resin, the coating film resin is a novolac resin, a condensation epoxy resin, a (meth)acylic resin, a polyether-based resin, or a silicon-containing resin, etc. The formed film can be used as a resist underlayer film or a resist overlayer film.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: October 25, 2022
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Makiko Umezaki, Ryo Karasawa, Shuhei Shigaki, Ryuta Mizuochi
  • Patent number: 11459414
    Abstract: Methods for forming a film with reduced formation of an edge reservoir at a periphery of a film in which the edge reservoir causes an unnecessary residue that cannot be removed by an etching process. A film forming composition for use in a lithography process includes a surfactant containing a polymer and an oligomer having a C3-5 perfluoroalkyl partial structure. The perfluoroalkyl partial structure may further include an alkyl partial structure. The surfactant is contained in an amount of 0.0001% by mass to 1.5% by mass based on the total solid content of the film forming composition. The film forming composition further includes a coating film resin, the coating film resin is a novolac resin, a condensation epoxy resin, a (meth)acrylic resin, a polyether-based resin, or a silicon-containing resin, etc. The formed film can be used as a resist underlayer film or a resist overlayer film.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: October 4, 2022
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Makiko Umezaki, Ryo Karasawa, Shuhei Shigaki, Ryuta Mizuochi
  • Publication number: 20210102088
    Abstract: Methods for forming a film with reduced formation of an edge reservoir at a periphery of a film in which the edge reservoir causes an unnecessary residue that cannot be removed by an etching process. A film forming composition for use in a lithography process includes a surfactant containing a polymer and an oligomer having a C3-5 perfluoroalkyl partial structure. The perfluoroalkyl partial structure may further include an alkyl partial structure. The surfactant is contained in an amount of 0.0001% by mass to 1.5% by mass based on the total solid content of the film forming composition. The film forming composition further includes a coating film resin, the coating film resin is a novolac resin, a condensation epoxy resin, a (meth)acrylic resin, a polyether-based resin, or a silicon-containing resin, etc. The formed film can be used as a resist underlayer film or a resist overlayer film.
    Type: Application
    Filed: December 18, 2020
    Publication date: April 8, 2021
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Makiko UMEZAKI, Ryo KARASAWA, Shuhei SHIGAKI, Ryuta MIZUOCHI
  • Patent number: 10724028
    Abstract: The invention provides a ligand-bonded fiber in which a ligand having affinity for a cell membrane receptor is immobilized on a fiber precursor, and a cell culture substrate capable of repeating ex vivo amplification of a cell expressing a cell membrane receptor by using the ligand-bonded fiber.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: July 28, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Makiko Umezaki, Takahiro Kishioka, Taito Nishino, Ayako Aihara, Shunsuke Iwamoto, Daisuke Sakuma
  • Patent number: 10240122
    Abstract: A composition for producing a fiber, containing (A) a polymer compound containing a unit structure represented by the formula (1) and a unit structure represented by the formula (2), (B) a crosslinking agent, (C) an acid compound, and (D) a solvent wherein each symbol in the formulas (1) and (2) is as described in the DESCRIPTION.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: March 26, 2019
    Assignees: NISSAN CHEMICAL INDUSTRIES, LTD., KYOTO UNIVERSITY
    Inventors: Makiko Umezaki, Takahiro Kishioka, Taito Nishino, Ayako Otani, Kenichiro Kamei, Li Liu, Yong Chen
  • Patent number: 9957644
    Abstract: The invention provides a composition for the production of a fiber having organic solvent resistance, a fiber obtained by spinning the composition, and a biocompatible material containing the fiber. The composition contains (A) a polymer compound containing a unit structure represented by the formula (1) wherein each symbol is as described herein, (B) a crosslinking agent, (C) an acid compound, and (D) a solvent.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: May 1, 2018
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Makiko Umezaki, Takahiro Kishioka, Taito Nishino, Ayako Otani
  • Publication number: 20180010115
    Abstract: The invention provides a ligand-bonded fiber in which a ligand having affinity for a cell membrane receptor is immobilized on a fiber precursor, and a cell culture substrate capable of repeating ex vivo amplification of a cell expressing a cell membrane receptor by using the ligand-bonded fiber.
    Type: Application
    Filed: October 30, 2015
    Publication date: January 11, 2018
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Makiko UMEZAKI, Takahiro KISHIOKA, Taito NISHINO, Ayako AIHARA, Shunsuke IWAMOTO, Daisuke SAKUMA
  • Publication number: 20170044491
    Abstract: A composition for producing a fiber, containing (A) a polymer compound containing a unit structure represented by the formula (1) and a unit structure represented by the formula (2), (B) a crosslinking agent, (C) an acid compound, and (D) a solvent wherein each symbol in the formulas (1) and (2) is as described in the DESCRIPTION.
    Type: Application
    Filed: February 13, 2015
    Publication date: February 16, 2017
    Applicants: NISSAN CHEMICAL INDUSTRIES, LTD., KYOTO UNIVERSITY
    Inventors: Makiko UMEZAKI, Takahiro KISHIOKA, Taito NISHINO, Ayako OTANI, Kenichiro KAMEI, Li LIU, Yong CHEN
  • Publication number: 20160347965
    Abstract: A film with reduced formation of an edge reservoir at a periphery of a film in which the edge reservoir causes an unnecessary residue that cannot be removed by an etching process, and a method for forming the film. A film forming composition for use in a lithography process includes a surfactant containing a polymer and an oligomer having a C3-5 perfluoroalkyl partial structure. The perfluoroalkyl partial structure may further include an alkyl partial structure. The surfactant is contained in an amount of 0.0001% by mass to 1.5% by mass based on the total solid content of the film forming composition. The film forming composition further includes a coating film resin, the coating film resin is a novolac resin, a condensation epoxy resin, a (meth)acylic resin, a polyether-based resin, or a silicon-containing resin, etc. The formed film can be used as a resist underlayer film or a resist overlayer film.
    Type: Application
    Filed: January 30, 2015
    Publication date: December 1, 2016
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Makiko UMEZAKI, Ryo KARASAWA, Shuhei SHIGAKI, Ryuta MIZUOCHI
  • Publication number: 20160305044
    Abstract: The invention provides a fiber which is superior in safety, can be conveniently produced, and has organic solvent resistance, as well as a starting material composition for producing the fiber and a biocompatible material containing the fiber. The fiber is produced by spinning a composition containing (A) a condensation product obtained by condensing one or more kinds of a compound represented by the formula (1), and (B) an acid compound: wherein each symbol is as defined herein.
    Type: Application
    Filed: December 19, 2014
    Publication date: October 20, 2016
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Takahiro KISHIOKA, Makiko UMEZAKI, Ayako OTANI
  • Patent number: 9436085
    Abstract: A composition for forming a resist underlayer film to be used in a lithography process, that includes: a polymer containing unit structures of Formula (1), Formula (2), and Formula (3): the polymer being a polymer in which the unit structure of Formula (1) has a ratio of mole number (a) within a range of 0.20?a?0.90, the unit structure of Formula (2) has a ratio of mole number (b) within a range of 0.05?b?0.60, and the unit structure of Formula (3) has a ratio of mole number (c) within a range of 0.001?c?0.40, when a total mole number of all unit structures constituting the polymer is 1.0, and the polymer having a weight average molecular weight of 3,000 to 100,000; a crosslinkable compound; a photoacid generator; and a solvent.
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: September 6, 2016
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Yusuke Horiguchi, Makiko Umezaki, Noriaki Fujitani, Hirokazu Nishimaki, Takahiro Kishioka, Takahiro Hamada
  • Publication number: 20160201226
    Abstract: The invention provides a composition for the production of a fiber having organic solvent resistance, a fiber obtained by spinning the composition, and a biocompatible material containing the fiber. The composition contains (A) a polymer compound containing a unit structure represented by the formula (1) wherein each symbol is as described herein, (B) a crosslinking agent, (C) an acid compound, and (D) a solvent.
    Type: Application
    Filed: August 29, 2014
    Publication date: July 14, 2016
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Makiko UMEZAKI, Takahiro KISHIOKA, Taito NISHINO, Ayako OTANI
  • Patent number: 9340561
    Abstract: There is provided a novel organic silicon compound that can be used for a silane coupling agent. An organic silicon compound of Formula (1): (where A? is Formula (2) or Formula (3): E is Formula (4) or Formula (5): R1 and R2 are each independently a C1-5 alkyl group, R3 is a hydrogen atom or a methyl group, R4 and R5 are each independently a C1-5 alkyl group, m, n, and p are each independently an integer of 1 to 5, and q is an integer of 1 to 3).
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: May 17, 2016
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Makiko Umezaki, Daisuke Sakuma, Taito Nishino, Takahiro Kishioka, Yoshiomi Hiroi, Shigeo Kimura, Tomoya Ohashi, Yuki Usui
  • Patent number: 9140989
    Abstract: A material forms a pattern by applying a photosensitive composition to a base material and drying to form a photosensitive coating and performing exposure and development, and a method for forming the pattern. A photosensitive composition includes water-soluble organic particles, and a solvent, wherein the solvent is a poor solvent for the water-soluble organic particles. Preferably, the water-soluble organic particles of the photosensitive composition includes a polymer which contains a unit structure (A) for forming organic particles, a unit structure (B) for forming interparticle crosslinkage, and a unit structure (C) for imparting dispersibility, and the photosensitive composition further includes a photoacid generator.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: September 22, 2015
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Takahiro Kishioka, Makiko Umezaki, Shigeo Kimura, Hirokazu Nishimaki, Tomoya Ohashi, Yuki Usui
  • Publication number: 20140370182
    Abstract: There is provided a novel organic silicon compound that can be used for a silane coupling agent. An organic silicon compound of Formula (1): (where A? is Formula (2) or Formula (3): E is Formula (4) or Formula (5): R1 and R2 are each independently a C1-5 alkyl group, R3 is a hydrogen atom or a methyl group, R4 and R5 are each independently a C1-5 alkyl group, m, n, and p are each independently an integer of 1 to 5, and q is an integer of 1 to 3).
    Type: Application
    Filed: August 28, 2012
    Publication date: December 18, 2014
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Makiko Umezaki, Daisuke Sakuma, Taito Nishino, Takahiro Kishioka, Yoshiomi Hiroi, Shigeo Kimura, Tomoya Ohashi, Yuki Usui
  • Publication number: 20140045119
    Abstract: A material forms a pattern by applying a photosensitive composition to a base material and drying to form a photosensitive coating and performing exposure and development, and a method for forming the pattern. A photosensitive composition includes water-soluble organic particles, and a solvent, wherein the solvent is a poor solvent for the water-soluble organic particles. Preferably, the water-soluble organic particles of the photosensitive composition includes a polymer which contains a unit structure (A) for forming organic particles, a unit structure (B) for forming interparticle crosslinkage, and a unit structure (C) for imparting dispersibility, and the photosensitive composition further includes a photoacid generator.
    Type: Application
    Filed: April 11, 2012
    Publication date: February 13, 2014
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Takahiro Kishioka, Makiko Umezaki, Shigeo Kimura, Hirokazu Nishimaki, Tomoya Ohashi, Yuki Usui
  • Publication number: 20120288795
    Abstract: A composition for forming a photosensitive resist underlayer film and a method for forming a resist pattern. The composition for forming a photosensitive resist underlayer film includes a polymer having a structural unit of Formula (1), a compound having at least two vinyl ether groups, a photo-acid generator; and a solvent: where R1 is a hydrogen atom or a methyl group, R2 is a C1-4 alkyl group, and i is an integer of 0 to 4.
    Type: Application
    Filed: November 16, 2010
    Publication date: November 15, 2012
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Makiko Umezaki, Takahiro Kishioka, Yusuke Horiguchi, Hirokazu Nishimaki, Tomoya Ohashi, Yuki Usui
  • Publication number: 20120251950
    Abstract: A composition for forming a resist underlayer film to be used in a lithography process, that includes: a polymer containing unit structures of Formula (1), Formula (2), and Formula (3): the polymer being a polymer in which the unit structure of Formula (1) has a ratio of mole number (a) within a range of 0.20?a?0.90, the unit structure of Formula (2) has a ratio of mole number (b) within a range of 0.05?b?0.60, and the unit structure of Formula (3) has a ratio of mole number (c) within a range of 0.001?c?0.40, when a total mole number of all unit structures constituting the polymer is 1.0, and the polymer having a weight average molecular weight of 3,000 to 100,000; a crosslinkable compound; a photoacid generator; and a solvent.
    Type: Application
    Filed: December 6, 2010
    Publication date: October 4, 2012
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Yusuke Horiguchi, Makiko Umezaki, Noriaki Fujitani, Hirokazu Nishimaki, Takahiro Kishioka, Takahiro Hamada