Patents by Inventor Masayoshi Hiratsuka

Masayoshi Hiratsuka 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).

  • Initializing apparatus of microcomputer and control apparatus for a vehicle
    Publication number: 20070143586
    Abstract: An initializing program of a microcomputer is arranged by being separated into a first area and a second area on a ROM. The first area stores thereinto an instruction code which can be directly executed by a CPU. The second area stores therein data which cannot be executed by the CPU. An interpret routine contained in the first area sequentially reads the data of the second area so as to cause the CPU to execute an initializing process operation.
    Type: Application
    Filed: December 19, 2006
    Publication date: June 21, 2007
    Applicant: Hitachi, Ltd.
    Inventors: Junji Miyake, Masayoshi Hiratsuka
  • Lamp with double layer coiled-coil filament
    Patent number: 6803706
    Abstract: The object of the invention is to provide an electric lamp with a coiled-coil filament, which is made more compact. An electric lamp 1 comprises a bulb 3 and a coiled-coil filament 2 accommodated in the bulb 3. According to the present invention, the coiled-coil filament 2 consists of a core filament 2′ and an additional filament 2″ which is wound around the core filament 2′ and of which the diameter is smaller than the diameter of the core filament 2′.
    Type: Grant
    Filed: October 10, 2002
    Date of Patent: October 12, 2004
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Akira Kurosawa, Masayoshi Hiratsuka
  • Electric Lamp
    Publication number: 20030122464
    Abstract: The object of the invention is to provide an electric lamp with a coiled-coil filament, which is made more compact. An electric lamp 1 comprises a bulb 3 and a coiled-coil filament 2 accommodated in the bulb 3. According to the present invention, the coiled-coil filament2 consists of a core filament 2′ and an additional filament 2″ which is wound around the core filament 2′ and of which the diameter is smaller than the diameter of the core filament 2′.
    Type: Application
    Filed: October 10, 2002
    Publication date: July 3, 2003
    Inventors: Akira Kurosawa, Masayoshi Hiratsuka