Patents by Inventor Megumu Yuyama

Megumu Yuyama 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).

  • OXYGEN-GENERATING AND CARBON DIOXIDE-ABSORBING AGENT COMPOSITION AND OXYGEN-GENERATING AND CARBON DIOXIDE-ABSORBING AGENT PACKAGING BODY AND METHOD FOR TRANSPORTING LIVE FISH AND SHELLFISH
    Publication number: 20150156994
    Abstract: The present invention provides an oxygen-generating and carbon dioxide-absorbing agent composition having excellent preservation stability. The oxygen-generating and carbon dioxide-absorbing agent composition of the present invention comprises a solid peroxide, a peroxide decomposition catalyst, and an alkali metal carbonate.
    Type: Application
    Filed: May 23, 2013
    Publication date: June 11, 2015
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventor: Megumu Yuyama
  • Water-hodling material for soil
    Publication number: 20040176501
    Abstract: A water-holding material for soil obtained by curing a composition comprising (a) a hydrophilic epoxy resin having at least two epoxy resin groups per one molecule and (b) an amine compound having at least two primary or secondary amino groups per one molecule as indispensable components.
    Type: Application
    Filed: December 22, 2003
    Publication date: September 9, 2004
    Inventors: Hideki Yasuda, Fumihiko Naitou, Megumu Yuyama, Norio Nagai
  • Sealed package of raw meat or fish and method of preserving raw meat or fish
    Patent number: 4762722
    Abstract: A sealed package for inhibiting the oxidation and spoilage of raw meat or fish, while maintaining the scarlet color of the raw meat or fish. This package comprises an impermeable vessel housing a deoxidant-CO.sub.2 generating agent composition together with the raw meat or fish. The deoxidant-CO.sub.2 generating agent composition is selected to generate CO.sub.2 gas immediately after the initiation of O.sub.2 absorption at the rate of 0.2 to 2 mols per mol of O.sub.2 absorbed.
    Type: Grant
    Filed: July 6, 1987
    Date of Patent: August 9, 1988
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Masatoshi Izumimoto, Syuji Wakamatsu, Megumu Yuyama
  • Oxygen absorbent
    Patent number: 4192773
    Abstract: An oxygen absorbent comprising (a) metal halide-coated metal powder having at least one metal halide coated on the surface of at least one metal powder, the amount of metal halide coated being in the range of from about 0.001 part to about 10 parts by weight per 100 parts by weight of the metal powder, and the water content of the metal halide-coated metal powder being less than 1% by weight on the basis of total weight of the metal halide-coated metal powder an (b) a water-containing material and a process for producing the same are disclosed.
    Type: Grant
    Filed: August 17, 1978
    Date of Patent: March 11, 1980
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Yoshio Yoshikawa, Takanari Nawata, Akira Amemiya, Toshio Komatsu, Yoshiaki Inoue, Megumu Yuyama
  • Oxygen absorbent
    Patent number: 4166807
    Abstract: An oxygen absorbent comprising iron and a metal halide, characterized in that the iron contains sulfur in an amount of from 0.05% to 5% on the basis of the weight of the iron is disclosed.
    Type: Grant
    Filed: November 28, 1977
    Date of Patent: September 4, 1979
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Toshio Komatsu, Yoshiaki Inoue, Megumu Yuyama
  • Oxygen absorbent
    Patent number: 4127503
    Abstract: An oxygen absorbent comprising a metal powder and a metal halide coated thereon is disclosed.
    Type: Grant
    Filed: July 15, 1977
    Date of Patent: November 28, 1978
    Assignee: Mitsubishi Gas Chemical Company, Inc
    Inventors: Yoshio Yoshikawa, Akira Amemiya, Toshio Komatsu, Yoshiaki Inoue, Megumu Yuyama
  • Oxygen absorbent
    Patent number: 4113652
    Abstract: An oxygen absorbent comprising at least one alkaline earth metal sulfite, at least one ferrous compound and free water is disclosed.
    Type: Grant
    Filed: December 17, 1976
    Date of Patent: September 12, 1978
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Yoshio Yoshikawa, Akira Amemiya, Toshio Komatsu, Yoshiaki Inoue, Megumu Yuyama