Patents by Inventor Tsuyoshi Moriguchi

Tsuyoshi Moriguchi 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).

  • Method for manufacturing injection-molded foamed article
    Patent number: 6994814
    Abstract: Disclosed is a method for manufacturing an injection-molded foamed article, the method comprising the steps of: melt-kneading a thermoplastic resin and a chemical foaming agent in a cylinder of an injection unit, injecting the melt-kneaded thermoplastic resin from the cylinder into a cavity of a mold, and cooling and solidifying the thermoplastic resin injected in the cavity, wherein at least one of conditions (1) and (2) given below is satisfied: Mp+35° C.?T?Mp+115° C. and ??1800 sec?1??(1) ?wherein Mp denotes the melting point (° C.) of the thermoplastic resin, T denotes the molding temperature (° C.) and ? denotes the shear rate (sec?1) of the thermoplastic resin during its filling into the cavity at the molding temperature T; Tm?Mp?105° C.??(2) ?wherein Tm denotes a mold temperature (° C.), and Mp has the same meaning as above.
    Type: Grant
    Filed: November 19, 2002
    Date of Patent: February 7, 2006
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tsuyoshi Moriguchi, Makoto Nagata, Masaaki Tsutsubuchi, Takashi Fujimoto
  • Indicator
    Patent number: 6814909
    Abstract: An indicator comprising a porous resin material, and a liquid retained in the pores of the porous resin material, in which the whiteness of the porous resin material is at least 80, and the whiteness of the porous resin material is at least 20 larger than that of the indicator. This indicator displays information such as a period through the change of a color tone, and the like, well maintains the displaying properties, and suffers from less variation of displayed periods.
    Type: Grant
    Filed: April 3, 1998
    Date of Patent: November 9, 2004
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tadashi Sakurai, Takanori Kume, Tatsuhiro Nagamatsu, Tsuyoshi Moriguchi, Miya Nakayama
  • Method for manufacturing injection-molded foamed article
    Publication number: 20030127764
    Abstract: Disclosed is a method for manufacturing an injection-molded foamed article, the method comprising the steps of:
    Type: Application
    Filed: November 19, 2002
    Publication date: July 10, 2003
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tsuyoshi Moriguchi, Makoto Nagata, Masaaki Tsutsubuchi, Takashi Fujimoto
  • Process for producing thermoplastic elastomer composition and thermoplastic elastomer composition
    Patent number: 6399709
    Abstract: There are provided: (i) a process for producing a thermoplastic elastomer composition, which comprises the step of feeding rubber and a thermoplastic resin through feed throats independent of one another, respectively, to an extruder to perform melt kneading thereof, wherein the feed throats are connected to the extruder; and (ii) a thermoplastic elastomer composition having a haze value of a glass plate of not higher than about 2%, provided that the haze value is measured with use of an apparatus according to regulations prescribed in ISO 6452 after a lapse of heating time of 20 hours at a heating temperature of 100° C.
    Type: Grant
    Filed: February 18, 2000
    Date of Patent: June 4, 2002
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tsuyoshi Moriguchi, Hironobu Shigematsu, Noboru Komine