Patents by Inventor Nobuyuki Osumi

Nobuyuki Osumi 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).

  • Projection image display apparatus
    Patent number: 7891819
    Abstract: A light source disposed in a projector is cooled by use of a coolant. A cooling unit is disposed in a region that is spatially separated from at least an optical unit and an electrical circuit unit. In addition, piping between the cooling unit and a cooling member is separated from wiring from the electrical circuit unit.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: February 22, 2011
    Assignee: SANYO Electric Co., Ltd.
    Inventor: Nobuyuki Osumi
  • PROJECTION IMAGE DISPLAY APPARATUS
    Publication number: 20090009727
    Abstract: A light source disposed in a projector is cooled by use of a coolant. A cooling unit is disposed in a region that is spatially separated from at least an optical unit and an electrical circuit unit. In addition, piping between the cooling unit and a cooling member is separated from wiring from the electrical circuit unit.
    Type: Application
    Filed: June 27, 2008
    Publication date: January 8, 2009
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventor: Nobuyuki Osumi
  • Method for producing a forming tool having a sintered web-like cutting edge
    Patent number: 3977276
    Abstract: A method for producing a forming tool having a cutting edge which comprises the steps of preparing a metal mount having a cutting blade support portion of predetermined shape, fixedly mounting a superhard cutting blade blank having an area substantially greater than that of said support portion, cutting said cutting blade blank along the contour of said support portion and edging said cutting blade blank along a predetermined edge portion thereof.
    Type: Grant
    Filed: May 7, 1975
    Date of Patent: August 31, 1976
    Assignee: Orion Tool Co., Ltd.
    Inventor: Nobuyuki Osumi