Patents by Inventor Hirofumi Ikeuchi

Hirofumi Ikeuchi 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).

  • Indicating instrument
    Patent number: 6267072
    Abstract: An indicating instrument includes a generally straight illumination lamp or cold cathode fluorescent lamp and a light conducting plate which are disposed on the back of a dial plate. The dial plate has plurality of trans-illuminous gauge or meter patterns. The cold cathode fluorescent lamp is disposed longitudinally at an upper side of the light conducting plate to guide the light of the lamp to the trans-illuminous gauge or meter patterns.
    Type: Grant
    Filed: November 3, 1995
    Date of Patent: July 31, 2001
    Assignee: Nippondenso Co., Ltd.
    Inventors: Tatsuya Seto, Hirofumi Ikeuchi, Ryouichi Nishikawa, Masaaki Muraki, Hiroshi Niimi, Naoyuki Aoki, Kozo Ono
  • Indicating instrument for vehicle
    Patent number: 6210011
    Abstract: A straight cold cathode fluorescent lamp is detachably held at the back of a dial plate by a plurality of fork-shaped holders to illuminate a plurality of scales formed on the front surface of the dial plate and accommodated in the reflector which is also detachably fixed to a casing of the indicator instrument. A circuit board is also detachably fixed to the reflector.
    Type: Grant
    Filed: June 17, 1999
    Date of Patent: April 3, 2001
    Assignee: Denso Corporation
    Inventors: Hirofumi Ikeuchi, Tsutomu Yoshikawa, Takao Yagami, Hirokazu Shibata
  • Indicating instrument for vehicle
    Patent number: 6149279
    Abstract: A straight cold cathode fluorescent lamp is detachably held at the back of a dial plate by a plurality of fork-shaped holders to illuminate a plurality of scales formed on the front surface of the dial plate and accommodated in the reflector which is also detachably fixed to a casing of the indicator instrument. A circuit board is also detachably fixed to the reflector.
    Type: Grant
    Filed: September 24, 1999
    Date of Patent: November 21, 2000
    Assignee: Denso Corporation
    Inventors: Hirofumi Ikeuchi, Tsutomu Yoshikawa, Takao Yagami, Hirokazu Shibata
  • Indicating instrument for vehicle
    Patent number: 5964515
    Abstract: A straight cold cathode fluorescent lamp is detachably held at the back of a dial plate by a plurality of fork-shaped holders to illuminate a plurality of scales formed on the front surface of the dial plate and accommodated in the reflector which is also detachably fixed to a casing of the indicator instrument. A circuit board is also detachably fixed to the reflector.
    Type: Grant
    Filed: May 20, 1997
    Date of Patent: October 12, 1999
    Assignee: Denso Corporation
    Inventors: Hirofumi Ikeuchi, Tsutomu Yoshikawa, Takao Yagami, Hirokazu Shibata