Patents by Inventor Tatsuya Masuki

Tatsuya Masuki 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: 20090214861
    Abstract: The present invention provides an aromatic polycarbonate resin composition having excellent surface impact strength and flame retardancy which is suitable for production of thin-wall molded products, as well as a molded product produced from the composition. The aromatic polycarbonate resin composition comprises.
    Type: Application
    Filed: November 24, 2006
    Publication date: August 27, 2009
    Applicant: MITSUBISHI ENGINEERING PLASTICS CORPORATION
    Inventors: Yasushi Ogawa, Tatsuya Masuki
  • Publication number: 20090143512
    Abstract: The present invention relates to a polycarbonate resin composition having an excellent weld strength.
    Type: Application
    Filed: February 7, 2006
    Publication date: June 4, 2009
    Inventors: Tatsuya Masuki, Yutaka Shiraishi, Shigeru Muramatsu
  • Patent number: 7329443
    Abstract: A resin container is provided which has a container body and a lid for closing the container body. The container body of the resin container is produced by injection-molding an amorphous thermoplastic resin. The container body form has a peripheral rise portion and a recessed flat portion defined by the peripheral rising portion. The peripheral rise portion has a height of 0.5 to 10 mm, and the recessed flat portion has an area of 1 to 100 cm2, an average wall thickness of not more than 0.25 mm and a flatness of not more than 0.5 mm.
    Type: Grant
    Filed: July 9, 2003
    Date of Patent: February 12, 2008
    Assignee: Mitsubishi Engineering-Plastics Corporation
    Inventors: Tatsuya Masuki, Tahara Hisashi
  • Patent number: 6884864
    Abstract: The present invention relates to a polycarbonate which can be obtained by a melting method and whose loss angle ? and complex viscosity ?* (Pa·s) measured under the conditions of 250° C. and an angular velocity of 10 rad/s satisfy the following relation (1): 2,500?Tan ?/(?*)?0.
    Type: Grant
    Filed: April 10, 2002
    Date of Patent: April 26, 2005
    Assignee: Mitsubishi Engineering-Plastics Corporation
    Inventors: Tatsuya Masuki, Hiroshi Yoshioka, Takao Tayama, Masaaki Miyamoto
  • Patent number: 6730725
    Abstract: The present invention relates to a polycarbonate which can be obtained by a melting method and has a viscosity-average molecular weight of 16000 to 27000, and whose loss angle &dgr; and complex viscosity &eegr;* (Pa·s) measured under the conditions of 250° C. and an angular velocity of 10 rad/s satisfy the following relation (1): 4,700≦Tan &dgr;/(&eegr;*)−0.
    Type: Grant
    Filed: April 10, 2002
    Date of Patent: May 4, 2004
    Assignee: Mitsubishi Engineering-Plastics Corp.
    Inventors: Tatsuya Masuki, Hiroshi Yoshioka, Takao Tayama, Masaaki Miyamoto
  • Publication number: 20040028855
    Abstract: The present invention relates to a resin container comprising a container body and a lid for closing the container body,
    Type: Application
    Filed: July 9, 2003
    Publication date: February 12, 2004
    Applicant: Mitsubishi Engineering-Plastics Corporation
    Inventors: Tatsuya Masuki, Hisashi Tahara
  • Publication number: 20030023024
    Abstract: The present invention relates to a polycarbonate which can be obtained by a melting method and whose loss angle &dgr; and complex viscosity &eegr;* (Pa·s) measured under the conditions of 250° C.
    Type: Application
    Filed: April 10, 2002
    Publication date: January 30, 2003
    Applicant: Mitsubishi Engineering-Plastics Corporation
    Inventors: Tatsuya Masuki, Hiroshi Yoshioka, Takao Tayama, Masaaki Miyamoto
  • Publication number: 20020193470
    Abstract: The present invention relates to a polycarbonate which can be obtained by a melting method and has a viscosity-average molecular weight of 16000 to 27000, and whose loss angle &dgr; and complex viscosity &eegr;* (Pa·s) measured under the conditions of 250° C.
    Type: Application
    Filed: April 10, 2002
    Publication date: December 19, 2002
    Inventors: Tatsuya Masuki, Hiroshi Yoshioka, Takao Tayama, Masaaki Miyamoto