Patents by Inventor Shigeki Okuma

Shigeki Okuma 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).

  • Lens cleaner device for automobile headlamp
    Patent number: 4817648
    Abstract: An automatic cleaner device for automotive headlamps and the like which uses cleaning solution sparingly and hence which require only a small cleaning solution reservoir. For each cleaning operation, the fluid is jetted in two spurts. The first spurt penetrates and dissolves the dirty film on the lens, and the second spurt washes away the dissolved film.
    Type: Grant
    Filed: December 20, 1985
    Date of Patent: April 4, 1989
    Assignee: Koito Manufacturing Co., Ltd.
    Inventors: Masatoshi Sugasawa, Shigeki Okuma
  • Very-wide-angle nozzle unit for headlight cleaner
    Patent number: 4811903
    Abstract: A very-wide-angle nozzle unit for spraying water on a vehicle head lamp, comprising a short cylindrical member with a water ejection port at a top thereof. The port has curved upper parts and a water outing vane protrudes downwardly into the port. The cylindrical member is supported by a spherical member fitted in a nozzle unit case.
    Type: Grant
    Filed: August 26, 1987
    Date of Patent: March 14, 1989
    Assignee: Koito Manufacturing Co., Ltd.
    Inventors: Shigeki Okuma, Masato Hagiwara