Patents by Inventor Ryohji Hirai

Ryohji Hirai 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).

  • Structural unit and method of fixing a lens and a solid state imaging element
    Patent number: 6574054
    Abstract: A structural unit includes a lens that forms an optical image, a solid state imaging element placed in a predetermined position relative to the lens, and an intermediary supporting member that may be bonded and fixed to each of the lens and the solid state imaging element by an adhesive. Thereby, the lens and the solid state imaging element can be integrated with each other in a state that a positional relation between the lens and the solid state imaging element is maintained.
    Type: Grant
    Filed: October 25, 2001
    Date of Patent: June 3, 2003
    Assignee: Ricoh Company, Ltd.
    Inventors: Ryohji Hirai, Yoshihiro Morii
  • Structural unit and method of fixing a lens and a solid state imaging element
    Publication number: 20020051305
    Abstract: A structural unit includes a lens that forms an optical image, a solid state imaging element placed in a predetermined position relative to the lens, and an intermediary supporting member that may be bonded and fixed to each of the lens and the solid state imaging element by an adhesive. Thereby, the lens and the solid state imaging element can be integrated with each other in a state that a positional relation between the lens and the solid state imaging element is maintained.
    Type: Application
    Filed: October 25, 2001
    Publication date: May 2, 2002
    Inventors: Ryohji Hirai, Yoshihiro Morii