Patents by Inventor Kouhei Chouraku

Kouhei Chouraku 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).

  • Pressure detector and electronic apparatus having the same
    Patent number: 7958784
    Abstract: A pressure detector configured to detect a predetermined pressure includes a housing having a concave that includes a perforation hole that perforates the housing, a sheet configured to cover the concave and to rupture when placed in an environment of the predetermined pressure or higher, and a semipermeable membrane configured to cover one end of the perforation hole, and to allow air to pass through the semipermeable membrane, the semipermeable membrane being configured to prevent water from passing through the semipermeable membrane.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: June 14, 2011
    Assignee: Fujitsu Limited
    Inventors: Kouhei Chouraku, Yasushi Yui, Shingo Yamaguchi, Satoshi Kanbayashi, Hayato Shida, Yasuhiro Ite
  • Pressure detector and electronic apparatus having the same
    Publication number: 20090272195
    Abstract: A pressure detector configured to detect a predetermined pressure includes a housing having a concave that includes a perforation hole that perforates the housing, a sheet configured to cover the concave and to rupture when placed in an environment of the predetermined pressure or higher, and a semipermeable membrane configured to cover one end of the perforation hole, and to allow air to pass through the semipermeable membrane, the semipermeable membrane being configured to prevent water from passing through the semipermeable membrane.
    Type: Application
    Filed: June 26, 2009
    Publication date: November 5, 2009
    Applicant: FUJITSU LIMITED
    Inventors: Kouhei Chouraku, Yasushi Yui, Shingo Yamaguchi, Satoshi Kanbayashi, Hayato Shida, Yasuhiro Ite
  • Molded resin component
    Publication number: 20070056472
    Abstract: A disclosed resin molded component includes a molded substrate including a biodegradable resin, and a coating film applied on a surface of the molded substrate. The coating film includes a blended material having a petroleum coating material and a natural material blended therein.
    Type: Application
    Filed: December 20, 2005
    Publication date: March 15, 2007
    Applicant: FUJITSU LIMITED
    Inventors: Kouhei Chouraku, Yasushi Yui, Shingo Yamaguchi, Hiroshi Takahashi