Patents by Inventor Takehisa Okuyama

Takehisa Okuyama 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).

  • RANGING DEVICE AND OPTICAL SCANNING DEVICE
    Publication number: 20200241117
    Abstract: A ranging device comprising a light source unit that emits a pulsed light; an optical scanning unit that scans a predetermined region with the pulsed light and has an intersection point where a path of the pulsed light intersects when viewing a virtual surface inside the predetermined region; a ranging unit that receives a reflected light from an object irradiated with the pulsed light to measure a distance to the object; and a control unit that controls an emission of the pulsed light to the intersection point based on a predetermined condition on the reflected light.
    Type: Application
    Filed: September 21, 2018
    Publication date: July 30, 2020
    Inventors: Takanori OCHIAI, Takehisa OKUYAMA, Takuma YANAGISAWA, Yoshiyuki OKUDA
  • OPTICAL PICKUP AND INFORMATION DEVICE
    Publication number: 20090274029
    Abstract: An optical pickup (100) includes: (i) a light source (101) for emitting a laser beam; (ii) an optical system (105, etc.) for introducing the laser beam into one of recording layers; (iii) an optical function element (104) for changing a predetermined polarized state in the laser beam in the unit of micro regions contained in the region where the laser beam is applied for each of the micro region positions; and (iv) light receiving means (PD0, etc.) for receiving at least the laser beam.
    Type: Application
    Filed: March 29, 2007
    Publication date: November 5, 2009
    Inventors: Masataka Izawa, Takehisa Okuyama, Naoharu Yanagawa
  • Display apparatus
    Patent number: 7317472
    Abstract: A display apparatus is provided with a plurality of display device, at least one of which is a semitransparent display; and a fixing device for fixing the plurality of display devices to be placed along a front-rear direction on a viewer's line of sight each other, wherein a relationship between the spacing L(mm) between image planes of adjacent of the plurality of display devices and the length S(mm) of diagonal lines of the two display devices satisfies a predetermined condition.
    Type: Grant
    Filed: December 16, 2003
    Date of Patent: January 8, 2008
    Assignee: Pioneer Corporation
    Inventors: Isao Tomisawa, Satoshi Sugiura, Taro Nakajima, Takehisa Okuyama
  • Display apparatus
    Publication number: 20040125202
    Abstract: A display apparatus is provided with a plurality of display device, at least one of which is a semitransparent display; and a fixing device for fixing the plurality of display devices to be placed along a front-rear direction on a viewer's line of sight each other, wherein a relationship between the spacing L(mm) between image planes of adjacent of the plurality of display devices and the length S(mm) of diagonal lines of the two display devices satisfies a predetermined condition.
    Type: Application
    Filed: December 16, 2003
    Publication date: July 1, 2004
    Applicant: PIONEER CORPORATION
    Inventors: Isao Tomisawa, Satoshi Sugiura, Taro Nakajima, Takehisa Okuyama