Patents Assigned to Koito Manufacturing Co., Ltd., a Tokyo, Japan corporation
  • Method of surface treatment for lens of vehicle lamp
    Publication number: 20020192384
    Abstract: A method of surface treatment for a lens of a vehicle lamp. The method comprises forming a hard coating film on a outer surface of the lens by heating to harden after the hard coating film is applied onto the outer surface of the lens; cooling the lens formed with the hard coating film until the inner surface of the lens has a predetermined temperature; and forming a antifogging coating film on a inner surface of the lens by heating to dry after the antifogging coating film is applied onto the inner surface of the lens.
    Type: Application
    Filed: July 31, 2002
    Publication date: December 19, 2002
    Applicant: Koito Manufacturing Co., Ltd., a Tokyo, Japan corporation
    Inventors: Shinji Aikawa, Koichi Nakamura, Hidetaka Anma