Patents by Inventor Yoshiomi Hiroi

Yoshiomi Hiroi 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: 10756190
    Abstract: The invention provides a precursor composition for forming an amorphous metal oxide semiconductor layer, containing a metal salt, a primary amide, and a water-based solution. An amorphous metal oxide semiconductor layer is formed by use of the composition.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: August 25, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Yoshiomi Hiroi, Shinichi Maeda
  • Patent number: 10669445
    Abstract: The present invention provides a copolymer obtainable by polymerizing a monomer mixture which contains at least compounds of the following formulae (A), (B) and (C), wherein Ta, Tb, Tc, Ua1, Ua2, Ub1, Ub2 and Ub3, Qa, Qb and Qc, Ra, Rb and Rc, An? and m are as defined in Specification and Claims, and so on. The copolymer of the present invention can be utilized as an ion complex material excellent in a function of inhibiting adhesion of a biological substance.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: June 2, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Yoshiomi Hiroi, Natsuki Abe, Taito Nishino, Masaki Kitahara
  • Publication number: 20190327959
    Abstract: An object of the present invention is to provide a cryopreservation vessel which has a coating that is capable of inhibiting the adhesion of cells or proteins and is resistant not only to aqueous solvents but also to organic solvents (for example, cryoprotectants, in particular, dimethyl sulfoxide).
    Type: Application
    Filed: June 9, 2017
    Publication date: October 31, 2019
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Yoshiomi HIROI, Hiroyuki NAKAJIMA, Taito NISHINO
  • Publication number: 20190233792
    Abstract: The present invention provides a cell culture vessel having a surface coated with a copolymer including a repeating unit containing a group represented by the following formula (a), a repeating unit containing a group represented by the following formula (b), and a repeating unit containing a group represented by the following formula (c) (wherein Ua1, Ua2, Ub1, Ub2, Ub3, Rc and An? are as defined in the description and the claims). The invention also provides a method for producing such cell culture vessels, and a method for producing a cell aggregate using the vessel.
    Type: Application
    Filed: May 23, 2017
    Publication date: August 1, 2019
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Yoshiomi HIROI, Natsuki ABE, Taito NISHINO
  • Publication number: 20190218413
    Abstract: The invention provides a structural base that includes a coating film on at least a portion of the surface thereof, the coating film having a difference between the maximum film thickness and the minimum film thickness of not more than 1000 ?. A method of the invention produces such structural bases. The coating film includes a copolymer including a repeating unit containing a group represented by formula (a), and a repeating unit containing a group represented by formula (b): wherein Ua1, Ua2, Ub1, Ub2, Ub3 and An? are as defined herein.
    Type: Application
    Filed: July 18, 2017
    Publication date: July 18, 2019
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Yoshiomi HIROI, Natsuki ABE, Taito NISHINO
  • Publication number: 20190002727
    Abstract: The present invention is to provide a copolymer obtainable by polymerizing a monomer mixture containing at least compounds of the following formulae (A) and (B) (wherein Ta, Tb, Qa, Qb, Ra, Rb, Ua1, Ua2, Ua3, Ub1, Ub2, Ub3, An? and m are as defined in the present specification and Claims), etc. The copolymer of the present invention can be utilized as an ion complex material excellent in a function of inhibiting adhesion of a biological substance.
    Type: Application
    Filed: July 1, 2016
    Publication date: January 3, 2019
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Yoshiomi HIROI, Masahisa ENDO, Natsuki ABE, Taito NISHINO
  • Publication number: 20180305652
    Abstract: The invention provides a coating agent for a flow passage which comprises a copolymer containing a recurring unit which contains an organic group of the formula (a) wherein Ua1 and Ua2 are defined herein, and a recurring unit which contains an organic group of the formula (b) wherein Ub1, Ub2, Ub3, and An? are defined herein. The invention also provides a flow passage device having the coating agent for a flow passage on at least part of an inner surface of a flow passage, a platelet-producing flow passage device and a method for manufacturing the same.
    Type: Application
    Filed: October 14, 2016
    Publication date: October 25, 2018
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Junko KATAYAMA, Yoshiomi HIROI, Ayako AIHARA, Natsuki ABE, Taito NISHINO
  • Patent number: 10092687
    Abstract: This is to provide a blood filter comprising a porous element; and a copolymer which exists in at least a part of a surface of the porous element, and which contains a recurring unit containing an organic group of the following formula (a) and a recurring unit containing an organic group of the following formula (b), wherein Ua1, Ua2, Ub1, Ub2 and Ub3, and An? are as defined in the present specification and the claims.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: October 9, 2018
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Tatsuro Kanaki, Takahiro Kishioka, Taito Nishino, Yoshiomi Hiroi, Ayako Otani, Tomoyuki Ozawa
  • Publication number: 20170349777
    Abstract: The present invention provides a copolymer obtainable by polymerizing a monomer mixture which contains at least compounds of the following formulae (A), (B) and (C), wherein Ta, Tb, Tc, Ua1, Ua2, Ub1, Ub2 and Ub3, Qa, Qb and Qc, Ra, Rb and Rc, An? and m are as defined in Specification and Claims, and so on. The copolymer of the present invention can be utilized as an ion complex material excellent in a function of inhibiting adhesion of a biological substance.
    Type: Application
    Filed: December 10, 2015
    Publication date: December 7, 2017
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Yoshiomi HIROI, Natsuki ABE, Taito NISHINO, Masaki KITAHARA
  • Patent number: 9822330
    Abstract: There is provided a new material that can form a finer pattern and can be applied to adsorption/adhesion control of various cell species, proteins, viruses, and the like without the limitation of the light source. A light-degradable material comprising: a moiety that is capable of bonding to a surface of a substrate through a siloxane bond; and a structural unit of Formula (2-a) and/or Formula (2-b): (where R2 to R4 are saturated linear alkyl groups; X is a hydrogen atom or an alkyl group; Z is a carbanion or a sulfo anion; Q is an ester bond group, a phosphodiester bond group, an amido bond group, an alkylene group, or an phenylene group or a combination of these divalent groups; m1 is an integer of 1 to 200, and n is an integer of 1 to 10).
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: November 21, 2017
    Assignees: NISSAN CHEMICAL INDUSTRIES, LTD., UNIVERSITY OF TOYAMA
    Inventors: Takahiro Kishioka, Shigeo Kimura, Yoshiomi Hiroi, Yuki Usui, Hiromi Kitano, Tadashi Nakaji, Makoto Gemmei
  • Patent number: 9678427
    Abstract: A resist underlayer film-forming composition containing a copolymer having a structural unit of Formula (1) and a structural unit of Formula (2), a cross-linkable compound, a cross-linking catalyst, and a solvent. wherein A is a divalent organic group containing a triazine ring, X1 is an —S— group or an —O— group, Q is a linear, branched, or cyclic hydrocarbon group having a carbon atom number of 1 to 15, the hydrocarbon group may have at least one sulfur atom or oxygen atom in a main chain and at least one hydroxy group as a substituent, n is 0 or 1, R1 and R2 are each independently a C1-3 alkylene group or a single bond, Z is a divalent group having at least one sulfur atom or oxygen atom, and when X1 is an —O— group, Z is a divalent group having at least one sulfur atom.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: June 13, 2017
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Hiroto Ogata, Takahiro Kishioka, Yoshiomi Hiroi, Tomoya Ohashi, Yuki Usui
  • Publication number: 20170038687
    Abstract: A resist underlayer film-forming composition containing a copolymer having a structural unit of Formula (1) and a structural unit of Formula (2), a cross-linkable compound, a cross-linking catalyst, and a solvent. wherein A is a divalent organic group containing a triazine ring, X1 is an —S— group or an —O— group, Q is a linear, branched, or cyclic hydrocarbon group having a carbon atom number of 1 to 15, the hydrocarbon group may have at least one sulfur atom or oxygen atom in a main chain and at least one hydroxy group as a substituent, n is 0 or 1, R1 and R2 are each independently a C1-3 alkylene group or a single bond, Z is a divalent group having at least one sulfur atom or oxygen atom, and when X1 is an —O— group, Z is a divalent group having at least one sulfur atom.
    Type: Application
    Filed: December 10, 2014
    Publication date: February 9, 2017
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Hiroto OGATA, Takahiro KISHIOKA, Yoshiomi HIROI, Tomoya OHASHI, Yuki USUI
  • Patent number: 9444052
    Abstract: This charge-transporting varnish, which contains a solvent, an electron-accepting dopant substance, and an aryldiamine compound represented by formula (1), imparts a charge-transporting thin film that has high transparency and can evince favorable element characteristics when applied to an organic EL element. (In the formula: R1-R4 each independently represent a hydrogen atom, a halogen atom, a nitro group, a cyano group, a hydroxyl group, a thiol group, a phosphate group, a sulfone group, a carboxyl group, an alkoxy group having 1-20 carbon atoms, or the like; R5-R8 each independently represent a hydrogen atom, a phenyl group, a naphthyl group, a pyridyl group, a pyrimidinyl group, a pyridazinyl group, a pyrazinyl group, a furanyl group, a pyrrolyl group, a pyrazolyl group, an imidazolyl group, a thienyl group, or the like; and n represents an integer from 2 to 5.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: September 13, 2016
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Naoki Nakaie, Yoshiomi Hiroi, Minoru Hoshino
  • 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
  • Publication number: 20160129176
    Abstract: This is to provide a blood filter comprising a porous element; and a copolymer which exists in at least a part of a surface of the porous element, and which contains a recurring unit containing an organic group of the following formula (a) and a recurring unit containing an organic group of the following formula (b), wherein Ua1, Ua2, Ub1, Ub2 and Ub3, and An? are as defined in the present specification and the claims.
    Type: Application
    Filed: June 9, 2014
    Publication date: May 12, 2016
    Inventors: Tatsuro KANAKI, Takahiro KISHIOKA, Taito NISHINO, Yoshiomi HIROI, Ayako OTANI, Tomoyuki OZAWA
  • Publication number: 20160122576
    Abstract: This is to provide a coating film having a function of inhibiting adhesion of a biological substance, a method for manufacturing the coating film, a copolymer obtainable by polymerizing a specific monomer mixture, a composition for forming a coating film having a specific composition, a method for manufacturing a varnish containing a copolymer to be used as a raw material of the composition for forming a coating film which is used for forming said film, and a sol for forming the coating film. In particular, this is to provide a coating film obtained by the method comprising a process of applying a composition for forming a coating film which comprises a copolymer comprising a recurring unit containing an organic group of the formula (a) and a recurring unit containing an organic group of the formula (b) and a solvent onto a substrate; and a process of drying at a temperature of ?200° C. to 200° C. (wherein Ua1, Ua2, Ub1, Ub2 and Ub3, and An? are as defined in the present specification and the claims).
    Type: Application
    Filed: June 9, 2014
    Publication date: May 5, 2016
    Inventors: Yoshiomi HIROI, Ayako OTANI, Takahiro KISHIOKA, Taito NISHINO, Tomoyuki OZAWA
  • Publication number: 20160115435
    Abstract: The present invention is to provide a cell culture vessel comprising a copolymer which contains a recurring unit containing an organic group of the following formula (a) and a recurring unit containing an organic group of the following formula (b) being coated onto a surface thereof, a method for manufacturing the same and a method for manufacturing a cell aggregate using the same (wherein Ua1, Ua2, Ub1, Ub2 and Ub3, and An? are as defined in the present specification and the claims).
    Type: Application
    Filed: June 9, 2014
    Publication date: April 28, 2016
    Inventors: Ayako OTANI, Taito NISHINO, Yoshiomi HIROI, Takahiro KISHIOKA, Tomoyuki OZAWA
  • Publication number: 20150267159
    Abstract: There is provided a new material that can form a finer pattern and can be applied to adsorption/adhesion control of various cell species, proteins, viruses, and the like without the limitation of the light source. A light-degradable material comprising: a moiety that is capable of bonding to a surface of a substrate through a siloxane bond; and a structural unit of Formula (2-a) and/or Formula (2-b): (where R2 to R4 are saturated linear alkyl groups; X is a hydrogen atom or an alkyl group; Z is a carbanionor a sulfo anion; Q is an ester bond group, a phosphodiester bond group, an amido bond group, an alkylene group, or an phenylene group or a combination of these divalent groups; m1 is an integer of 1 to 200, and n is an integer of 1 to 10).
    Type: Application
    Filed: October 11, 2013
    Publication date: September 24, 2015
    Inventors: Takahiro Kishioka, Shigeo Kimura, Yoshiomi Hiroi, Yuki Usui, Hiromi Kitano, Tadashi Nakaji, Makoto Gemmei
  • 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: 20140227815
    Abstract: This charge-transporting varnish, which contains a solvent, an electron-accepting dopant substance, and an aryldiamine compound represented by formula (1), imparts a charge-transporting thin film that has high transparency and can evince favorable element characteristics when applied to an organic EL element. (In the formula: R1-R4 each independently represent a hydrogen atom, a halogen atom, a nitro group, a cyano group, a hydroxyl group, a thiol group, a phosphate group, a sulfone group, a carboxyl group, an alkoxy group having 1-20 carbon atoms, or the like; R5-R8 each independently represent a hydrogen atom, a phenyl group, a naphthyl group, a pyridyl group, a pyrimidinyl group, a pyridazinyl group, a pyrazinyl group, a furanyl group, a pyrrolyl group, a pyrazolyl group, an imidazolyl group, a thienyl group, or the like; and n represents an integer from 2 to 5.
    Type: Application
    Filed: September 14, 2012
    Publication date: August 14, 2014
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Naoki Nakaie, Yoshiomi Hiroi, Minoru Hoshino