Patents by Inventor Nobuko Arima

Nobuko Arima 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 block, lens, holder for holding the lens block, and projector using the lens holder
    Patent number: 7929223
    Abstract: A plurality of lens elements and spacer rings 30-38 for constituting a part of an optical system are inserted into a lens-barrel-like jig 40 in predetermined order. A reception portion 43 for receiving the lens element 38 which will be first inserted is formed in the jig 40. When inserted into the jig 40, the lens elements 30-38 are brought into abutment against one another in one way of the optical axis so that spaces among the lens elements 30, 32-34, 36 and 38 are positioned. After that, adhesive is applied to at least three circumferential places of the outer circumference of each abutment portion where the lens elements and spacer rings 30-38 abut against each other, through opening portions 41 provided in the outer circumference of the jig 40. Thus, the plurality of lens elements and spacer rings 30-38 are formed into an integrated structure.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: April 19, 2011
    Assignee: Fujinon Corporation
    Inventors: Hitoshi Shimizu, Nobuko Arima
  • Lens block, lens, holder for holding the lens block, and projector using the lens holder
    Publication number: 20070076309
    Abstract: A plurality of lens elements and spacer rings 30-38 for constituting a part of an optical system are inserted into a lens-barrel-like jig 40 in predetermined order. A reception portion 43 for receiving the lens element 38 which will be first inserted is formed in the jig 40. When inserted into the jig 40, the lens elements 30-38 are brought into abutment against one another in one way of the optical axis so that spaces among the lens elements 30, 32-34, 36 and 38 are positioned. After that, adhesive is applied to at least three circumferential places of the outer circumference of each abutment portion where the lens elements and spacer rings 30-38 abut against each other, through opening portions 41 provided in the outer circumference of the jig 40. Thus, the plurality of lens elements and spacer rings 30-38 are formed into an integrated structure.
    Type: Application
    Filed: September 28, 2006
    Publication date: April 5, 2007
    Applicant: Fujinon Corporation
    Inventors: Hitoshi Shimizu, Nobuko Arima