Patents by Inventor Tsuguo Hasegawa

Tsuguo Hasegawa 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).

  • Phosphor-containing resin composition and sheet, and light emitting devices employing them
    Patent number: 8497623
    Abstract: Provided is a phosphor for a white light emitting device with a blue to ultraviolet light as a light source. A phosphor-containing resin composition comprising phosphor particles of at least one member selected from the group consisting of a nitride and an oxynitride, and a resin of at least one member selected from the group consisting of an epoxy resin, a silicone resin and a fluorine-containing resin.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: July 30, 2013
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Takemi Oguma, Masahiro Ibukiyama, Tsuguo Hasegawa
  • Resin Composition and Sheet Containing Phosphor, and Light Emitting Element Using Such Composition and Sheet
    Publication number: 20090085464
    Abstract: Provided is a phosphor for a white light emitting device with a blue to ultraviolet light as a light source. A phosphor-containing resin composition comprising phosphor particles of at least one member selected from the group consisting of a nitride and an oxynitride, and a resin of at least one member selected from the group consisting of an epoxy resin, a silicone resin and a fluorine-containing resin.
    Type: Application
    Filed: June 14, 2006
    Publication date: April 2, 2009
    Applicant: DENKI KAGAKU KOGYO KABUSHIKI KAISHA
    Inventors: Takemi Oguma, Masahiro Ibukiyama, Tsuguo Hasegawa
  • Film for heat sealing and process of heat sealing
    Patent number: 4338378
    Abstract: A film and a laminate using the film as a substrate which both are suitable for heat sealing and a process for heat sealing the film and the laminate are disclosed. The film comprises a blend of (I) at least one member selected from the group consisting of (A) elastomeric block copolymers of vinyl-aromatic compounds with conjugated diene compounds, (B) resinous block copolymers of vinyl-aromatic compounds with conjugated diene compounds and (C) vinyl-aromatic resins and/or modified vinyl-aromatic resins, and (II) an olefinic polymer.
    Type: Grant
    Filed: July 31, 1981
    Date of Patent: July 6, 1982
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Takeshi Nabeta, Takeshi Masui, Tsuguo Hasegawa
  • Film for heat sealing and process of heat sealing
    Patent number: 4302554
    Abstract: A film and a laminate using the film as a substrate which both are suitable for heat sealing and a process for heat sealing the film and the laminate are disclosed. The film comprises a blend of (I) at least one member selected from the group consisting of (A) elastomeric block copolymers of vinyl-aromatic compounds with conjugated diene compounds, (B) resinous block copolymers of vinyl-aromatic compounds with conjugated diene compounds and (C) vinyl-aromatic resins and/or modified vinyl-aromatic resins, and (II) an olefinic polymer.
    Type: Grant
    Filed: September 28, 1978
    Date of Patent: November 24, 1981
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Takeshi Nabeta, Takeshi Masui, Tsuguo Hasegawa