Patents by Inventor Tomohito HAMADA

Tomohito HAMADA 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: 20230404065
    Abstract: A core-shell microparticle includes a shell containing at least one polymer selected from the group consisting of fluorine-containing polymers, fluorine-free vinyl polymers, and silicone polymers, and a core containing a fluorocarbon.
    Type: Application
    Filed: August 31, 2023
    Publication date: December 21, 2023
    Applicants: The University of Tokyo, DAIKIN INDUSTRIES, LTD.
    Inventors: Taichi ITO, Arvind Kumar Singh CHANDEL, Tomohito HAMADA, Shigehito SAGISAKA, Yosuke KISHIKAWA
  • Publication number: 20220033432
    Abstract: The present disclosure aims to provide an anti-hepatitis B virus agent, and a prophylactic or therapeutic agent for a hepatitis B virus-related disease, each comprising a nucleic acid analogue as an active ingredient. The above object can be attained by an anti-hepatitis B virus agent, or a prophylactic or therapeutic agent for a hepatitis B virus-related disease, each comprising, as an active ingredient, a compound represented by the following formula (1): wherein R is a halogen atom, an amino group, a methoxy group, or a cyano group, or its prodrug, or a pharmaceutically acceptable salt thereof, or a solvate thereof.
    Type: Application
    Filed: September 13, 2021
    Publication date: February 3, 2022
    Applicants: DAIKIN INDUSTRIES, LTD., KAGOSHIMA UNIVERSITY
    Inventors: Tomohito HAMADA, Hideyuki IKEUCHI, Kanako INOO, Yosuke KISHIKAWA, Masanori IKEDA, Midori TAKEDA
  • Publication number: 20220008450
    Abstract: The present disclosure provides an anti-hepatitis B virus agent and a prophylactic or therapeutic agent for hepatitis B virus-related diseases, each comprising a nucleic acid analogue as an active ingredient. The problem can be solved by 2?-deoxy-2?-fluoro-?-2-fluoro-D-adenosine or its prodrug, or a pharmaceutically acceptable salt thereof, or a solvate thereof.
    Type: Application
    Filed: September 27, 2019
    Publication date: January 13, 2022
    Applicants: DAIKIN INDUSTRIES, LTD., KAGOSHIMA UNIVERSITY
    Inventors: Tomohito HAMADA, Yosuke KISHIKAWA, Kanako INOO, Masanori IKEDA, Midori TAKEDA
  • Publication number: 20210032472
    Abstract: A main object of the present invention is to provide a novel acetylpolyamine detection agent that is easy to produce and use. This object is achieved by an acetylpolyamine detection agent comprising compound (A) having one or more polyether rings, wherein the polyether rings have one or more hydroxyl groups as substituents.
    Type: Application
    Filed: January 31, 2019
    Publication date: February 4, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito HAMADA, Yosuke KISHIKAWA, Masamichi SUKEGAWA
  • Patent number: 10774028
    Abstract: A method for producing an asymmetric chain carbonate by reacting an alcohol with a halocarbonate ester compound in the presence of a basic magnesium salt.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: September 15, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito Hamada, Michiaki Okada, Akiyoshi Yamauchi, Yosuke Kishikawa
  • Publication number: 20200283370
    Abstract: A method for producing an asymmetric chain carbonate by reacting an alcohol with a halocarbonate ester compound in the presence of a basic magnesium salt.
    Type: Application
    Filed: May 22, 2020
    Publication date: September 10, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito HAMADA, Michiaki OKADA, Akiyoshi YAMAUCHI, Yosuke KISHIKAWA
  • Patent number: 10730824
    Abstract: A method for producing an asymmetric chain carbonate by reacting an alcohol with a halocarbonate ester compound in the presence of a basic magnesium salt.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: August 4, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito Hamada, Michiaki Okada, Akiyoshi Yamauchi, Yosuke Kishikawa
  • Patent number: 10717693
    Abstract: The present invention provides a method for producing a diol having a specific structure in high yields while keeping high selectivity. Provided is a method for producing a diol having a specific structure by oxidizing an olefin having a specific structure in the presence of a ruthenium compound.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: July 21, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito Hamada, Michiaki Okada, Akinori Yamamoto, Yosuke Kishikawa
  • Patent number: 10173960
    Abstract: An object of the present invention is to provide a method for stabilizing an acrylic acid derivative, and a composition containing an acrylic acid derivative in which the acrylic acid derivative is stabilized. The present invention provides a composition comprising: (A) an acrylic acid derivative represented by Formula (I): (wherein Ra represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen; and X represents fluorine, alkyl, perfluoroalkyl, or hydrogen); and (B) aldehyde, wherein the content of acrylic acid derivative (A) is 30% (w/w) or more.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: January 8, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito Hamada, Makoto Matsuura, Asako Yoshiyama, Akihiro Gotou, Manaho Miyazaki, Yosuke Kishikawa
  • Publication number: 20180346404
    Abstract: A method for producing an asymmetric chain carbonate by reacting an alcohol with a halocarbonate ester compound in the presence of a basic magnesium salt.
    Type: Application
    Filed: November 22, 2016
    Publication date: December 6, 2018
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito HAMADA, Michiaki OKADA, Akiyoshi YAMAUCHI, Yosuke KISHIKAWA
  • Publication number: 20180327342
    Abstract: The present invention provides a method for producing a diol having a specific structure in high yields while keeping high selectivity. Provided is a method for producing a diol having a specific structure by oxidizing an olefin having a specific structure in the presence of a ruthenium compound.
    Type: Application
    Filed: November 22, 2016
    Publication date: November 15, 2018
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito HAMADA, Michiaki OKADA, Akinori YAMAMOTO, Yosuke KISHIKAWA
  • Patent number: 10099997
    Abstract: An object of the present invention is to provide a method for stabilizing an acrylic acid derivative, and a composition containing an acrylic acid derivative in which the acrylic acid derivative is stabilized. The present invention provides a composition comprising: (A) an acrylic acid derivative represented by Formula (I): (wherein R1 and R2 are the same or different, and each represents alkyl, fluoroalkyl, aryl that may have one or more substituents, halogen, or hydrogen; R3 represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen; and X represents fluoroalkyl, alkyl, halogen, or hydrogen); and (B) alcohol, wherein the content of acrylic acid derivative (A) is 30% (w/w) or more.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: October 16, 2018
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito Hamada, Yosuke Kishikawa, Makoto Matsuura, Asako Yoshiyama
  • Publication number: 20180099922
    Abstract: An object of the present invention is to provide a method for stabilizing an acrylic acid derivative, and a composition containing an acrylic acid derivative in which the acrylic acid derivative is stabilized. The present invention provides a composition comprising: (A) an acrylic acid derivative represented by Formula (I): (wherein Ra represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen; and X represents fluorine, alkyl, perfluoroalkyl, or hydrogen); and (B) aldehyde, wherein the content of acrylic acid derivative (A) is 30% (w/w) or more.
    Type: Application
    Filed: April 8, 2016
    Publication date: April 12, 2018
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito HAMADA, Makoto MATSUURA, Asako YOSHIYAMA, Akihiro GOTOU, Manaho MIYAZAKI, Yosuke KISHIKAWA
  • Publication number: 20180093940
    Abstract: An object of the present invention is to provide a method for stabilizing an acrylic acid derivative, and a composition containing an acrylic acid derivative in which the acrylic acid derivative is stabilized. The present invention provides a composition comprising: (A) an acrylic acid derivative represented by Formula (I): (wherein R1 and R2 are the same or different, and each represents alkyl, fluoroalkyl, aryl that may have one or more substituents, halogen, or hydrogen; R3 represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen; and X represents fluoroalkyl, alkyl, halogen, or hydrogen); and (B) alcohol, wherein the content of acrylic acid derivative (A) is 30% (w/w) or more.
    Type: Application
    Filed: April 8, 2016
    Publication date: April 5, 2018
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito HAMADA, Yosuke KISHIKAWA, Makoto MATSUURA, Asako YOSHIYAMA