Patents by Inventor Masami Onoda

Masami Onoda 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).

  • Absorbing solution for separating and capturing carbon dioxide, and method for separating and capturing carbon dioxide in which same is used
    Patent number: 10717038
    Abstract: Disclosed is an absorbing liquid for separating and capturing carbon dioxide from a carbon dioxide-containing gas, the absorbing liquid containing: at least one alkanolamine represented by formula (1) wherein R1 represents hydrogen or C1-4 alkyl, R2 and R3 are identical or different and each represent hydrogen or C1-3 alkyl, R1, R2, and R3 are not all hydrogen, and n is 1 or 2; a low-molecular-weight diol compound and/or glycerin; and water.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: July 21, 2020
    Assignees: RESEARCH INSTITUTE OF INNOVATIVE TECHNOLOGY FOR THE EARTH, NIPPON STEEL CORPORATION
    Inventors: Firoz Alam Chowdhury, Tsuguhiro Kato, Yoichi Matsuzaki, Masami Onoda
  • ABSORBING SOLUTION FOR SEPARATING AND CAPTURING CARBON DIOXIDE, AND METHOD FOR SEPARATING AND CAPTURING CARBON DIOXIDE IN WHICH SAME IS USED
    Publication number: 20180078893
    Abstract: Disclosed is an absorbing liquid for separating and capturing carbon dioxide from a carbon dioxide-containing gas, the absorbing liquid containing: at least one alkanolamine represented by formula (1) wherein R1 represents hydrogen or C1-4 alkyl, R2 and R3 are identical or different and each represent hydrogen or C1-3 alkyl, R1, R2, and R3 are not all hydrogen, and n is 1 or 2; a low-molecular-weight diol compound and/or glycerin; and water.
    Type: Application
    Filed: March 18, 2016
    Publication date: March 22, 2018
    Inventors: Firoz Alam CHOWDHURY, Tsuguhiro KATO, Yoichi MATSUZAKI, Masami ONODA
  • Aqueous solution which efficiently absorbs and recovers carbon dioxide in exhaust gas, and method for recovering carbon dioxide using same
    Patent number: 9636628
    Abstract: Disclosed is an aqueous solution for absorbing and recovering carbon dioxide from a carbon dioxide-containing gas, the aqueous solution containing an amino alcohol compound represented by Formula 1 and an amine compound represented by Formula 2, wherein R represents an alkyl group having 1 to 5 carbon atoms; and n represents 1 or 2, wherein X represents —NR1R2; Y represents —NR3R4; R1, R2, R3 and R4 may be the same or different, and each represents an alkyl group having 1 to 3 carbon atoms; and m represents an integer of 3 to 7.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: May 2, 2017
    Assignees: Research Institute of Innovative Technology for the Earth, Nippon Steel & Sumitomo Metal Corporation
    Inventors: Takayuki Higashii, Firoz A. Chowdhury, Kazuya Goto, Masami Onoda, Yoichi Matsuzaki
  • LIQUID FOR ABSORBING AND COLLECTING CARBON DIOXIDE IN GAS, AND METHOD FOR COLLECTING CARBON DIOXIDE WITH USE OF SAME
    Publication number: 20160001220
    Abstract: Disclosed are a liquid for absorbing and recovering carbon dioxide from a carbon dioxide-containing gas, and a method for absorbing and recovering carbon dioxide using the liquid. The liquid comprises a secondary amine compound (A) represented by Formula (1) R—NH—(CH2)n—OH, a polyamine compound (B) represented by Formula (2) R1R2N—(X)m—NR3R4, and water (C), the content of the secondary amine compound (A) being 50 wt % or more.
    Type: Application
    Filed: February 14, 2014
    Publication date: January 7, 2016
    Inventors: Takayuki Higashii, Firoz Alam Chowdhury, Kazuya Goto, Yoichi Matsuzaki, Masami Onoda
  • AQUEOUS SOLUTION WHICH EFFICIENTLY ABSORBS AND RECOVERS CARBON DIOXIDE IN EXHAUST GAS, AND METHOD FOR RECOVERING CARBON DIOXIDE USING SAME
    Publication number: 20150007728
    Abstract: Disclosed is an aqueous solution for absorbing and recovering carbon dioxide from a carbon dioxide-containing gas, the aqueous solution containing an amino alcohol compound represented by Formula I and an amine compound represented by Formula 2, wherein R represents an alkyl group having 1 to 5 carbon atoms; and n represents 1 or 2, wherein X represents —NR1R2; Y represents —NR3R4; R1, R2, R3 and R4 may be the same or different, and each represents an alkyl group having 1 to 3 carbon atoms; and m represents an integer of 3 to 7.
    Type: Application
    Filed: February 7, 2013
    Publication date: January 8, 2015
    Inventors: Takayuki Higashii, Firoz A. Chowdhury, Kazuya Goto, Masami Onoda, Yoichi Matsuzaki
  • AQUEOUS SOLUTION CAPABLE OF ABSORBING AND COLLECTING CARBON DIOXIDE IN EXHAUST GAS WITH HIGH EFFICIENCY
    Publication number: 20130101493
    Abstract: Disclosed is an aqueous solution for absorbing and recovering carbon dioxide from a carbon dioxide-containing gas, the aqueous solution containing 50 to 70 wt % of a secondary amine compound represented by Formula (1): wherein R represents a straight- or branched-chain alkyl group having 3 to 5 carbon atoms; and a surfactant. Also disclosed is a method for absorbing and recovering carbon dioxide using the aqueous solution.
    Type: Application
    Filed: June 28, 2011
    Publication date: April 25, 2013
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Hiromichi Okabe, Firoz Alam Chowdhury, Kazuya Goto, Masami Onoda, Yoichi Matsuzaki