Patents by Inventor Akinori Tsujikawa

Akinori Tsujikawa 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).

  • Patent number: 11314034
    Abstract: An imaging apparatus includes: a wiring board; an imaging unit that includes a lens module and an imaging element mounted on the wiring board; a housing that assumes a frame shape and includes an opening in the direction of an optical axis of the imaging unit; a top cover placed over the housing; a light source that emits light to travel to the outside through the top cover; and a light guide body that surrounds the lens module and guides the light emitted from the light source, wherein the imaging unit is spaced apart from the top cover by a space, the housing includes a bulging section bulging toward the lens module without being in contact the wiring board, and the bulging section receives a load applied from the top cover via at least the light guide body.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: April 26, 2022
    Assignee: FUJITSU FRONTECH LIMITED
    Inventor: Akinori Tsujikawa
  • Patent number: 10921684
    Abstract: An imaging apparatus includes a ranging light source, an aperture that includes a through hole through which light emitted from the ranging light source passes, and a ranging lens disposed on an optical path of the light emitted from the ranging light source, wherein the aperture includes a plurality of press-fit convex parts projecting in a direction opposite to the ranging light source, and the ranging lens is press-fitted into a region surrounded by the plurality of press-fit convex parts.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: February 16, 2021
    Assignee: FUJITSU FRONTECH LIMITED
    Inventor: Akinori Tsujikawa
  • Patent number: 10914883
    Abstract: An imaging apparatus includes an imaging element, a lens unit that focuses light on the imaging element, a light source located around the lens unit, a light guide body that surrounds the lens unit and that guides light emitted from the light source, and a framing member surrounding the light guide body, wherein the light guide body includes an engagement concave part that engages an engagement convex part of the framing member.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: February 9, 2021
    Assignee: FUJITSU FRONTECH LIMITED
    Inventor: Akinori Tsujikawa
  • Patent number: 10915007
    Abstract: An imaging apparatus includes an imaging element, a lens unit that focuses light on the imaging element, and a light source disposed around the lens unit. The lens unit includes a blocking part that projects over a region located around the lens unit and facing the light source so as to block stray light from the light source.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: February 9, 2021
    Assignee: FUJITSU FRONTECH LIMITED
    Inventor: Akinori Tsujikawa
  • Publication number: 20200341227
    Abstract: An imaging apparatus includes: a wiring board; an imaging unit that includes a lens module and an imaging element mounted on the wiring board; a housing that assumes a frame shape and includes an opening in the direction of an optical axis of the imaging unit; a top cover placed over the housing; a light source that emits light to travel to the outside through the top cover; and a light guide body that surrounds the lens module and guides the light emitted from the light source, wherein the imaging unit is spaced apart from the top cover by a space, the housing includes a bulging section bulging toward the lens module without being in contact the wiring board, and the bulging section receives a load applied from the top cover via at least the light guide body.
    Type: Application
    Filed: July 9, 2020
    Publication date: October 29, 2020
    Inventor: Akinori TSUJIKAWA
  • Patent number: 10321027
    Abstract: An image apparatus includes an imaging unit, a housing that houses the imaging unit, a wiring substrate, and a stopper that sandwiches the wiring substrate between the housing and the stopper. The housing has a protruding part that protrudes from a back surface of a side opposite to a front surface on the side of the imaging unit in the wiring substrate. The stopper has an engagement part that engages with an outer peripheral surface of the housing, and a hook part that is hooked onto an inner peripheral surface of the protruding part of the housing.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: June 11, 2019
    Assignee: Fujitsu Frontech Limited
    Inventor: Akinori Tsujikawa
  • Publication number: 20190101680
    Abstract: An imaging apparatus includes an imaging element, a lens unit that focuses light on the imaging element, a light source located around the lens unit, a light guide body that surrounds the lens unit and that guides light emitted from the light source, and a framing member surrounding the light guide body, wherein the light guide body includes an engagement concave part that engages an engagement convex part of the framing member.
    Type: Application
    Filed: December 3, 2018
    Publication date: April 4, 2019
    Inventor: Akinori TSUJIKAWA
  • Publication number: 20190094657
    Abstract: An imaging apparatus includes a ranging light source, an aperture that includes a through hole through which light emitted from the ranging light source passes, and a ranging lens disposed on an optical path of the light emitted from the ranging light source, wherein the aperture includes a plurality of press-fit convex parts projecting in a direction opposite to the ranging light source, and the ranging lens is press-fitted into a region surrounded by the plurality of press-fit convex parts.
    Type: Application
    Filed: November 27, 2018
    Publication date: March 28, 2019
    Inventor: Akinori TSUJIKAWA
  • Publication number: 20190086770
    Abstract: An imaging apparatus includes an imaging element, a lens unit that focuses light on the imaging element, and a light source disposed around the lens unit. The lens unit includes a blocking part that projects over a region located around the lens unit and facing the light source so as to block stray light from the light source.
    Type: Application
    Filed: November 19, 2018
    Publication date: March 21, 2019
    Inventor: Akinori TSUJIKAWA
  • Patent number: 9736343
    Abstract: An imaging apparatus includes: a wiring board; an imaging unit with an imaging element implemented on the wiring board; a frame-like housing that accommodates the imaging unit and that has an opening formed thereon in an optical axis direction of the imaging unit; a top cover located on the housing; a light source that emits light to be sent to outside via the top cover; a light guide body that guides the light emitted from the light source; and a light blocking body that blocks light around the imaging unit, wherein the imaging unit, the light guide body, and the light blocking body are disposed with a gap between the top cover, and the housing includes a top-cover supporting unit, at least a portion of which supports the top cover at a periphery of the opening.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: August 15, 2017
    Assignee: Fujitsu Frontech Limited
    Inventors: Akinori Tsujikawa, Hiroyuki Tanaka
  • Publication number: 20160044215
    Abstract: An imaging apparatus includes: a wiring board; an imaging unit with an imaging element implemented on the wiring board; a frame-like housing that accommodates the imaging unit and that has an opening formed thereon in an optical axis direction of the imaging unit; a top cover located on the housing; a light source that emits light to be sent to outside via the top cover; a light guide body that guides the light emitted from the light source; and a light blocking body that blocks light around the imaging unit, wherein the imaging unit, the light guide body, and the light blocking body are disposed with a gap between the top cover, and the housing includes a top-cover supporting unit, at least a portion of which supports the top cover at a periphery of the opening.
    Type: Application
    Filed: October 26, 2015
    Publication date: February 11, 2016
    Inventors: Akinori Tsujikawa, Hiroyuki Tanaka
  • Publication number: 20160044214
    Abstract: An image apparatus includes an imaging unit, a housing that houses the imaging unit, a wiring substrate, and a stopper that sandwiches the wiring substrate between the housing and the stopper. The housing has a protruding part that protrudes from a back surface of a side opposite to a front surface on the side of the imaging unit in the wiring substrate. The stopper has an engagement part that engages with an outer peripheral surface of the housing, and a hook part that is hooked onto an inner peripheral surface of the protruding part of the housing.
    Type: Application
    Filed: October 23, 2015
    Publication date: February 11, 2016
    Inventor: Akinori Tsujikawa
  • Publication number: 20160014308
    Abstract: A palm vein imaging apparatus includes: a tubular-frame-shaped housing; a printed circuit board horizontally held within the housing; an imaging system consisting of an image sensor and imaging lens module mounted on a top surface of the printed circuit board; and a top cover that covers a top opening of the housing so as to protect the imaging lens module of the imaging system, wherein the top cover includes a recess at a portion of an inner top surface of the top cover that faces the imaging lens module, the recess being thinner than a portion therearound, and the imaging lens module is located in a manner such that an upper portion thereof is in the recess.
    Type: Application
    Filed: September 24, 2015
    Publication date: January 14, 2016
    Inventors: Kozo Yamazaki, Isao Iwaguchi, Hiroyuki Tanaka, Akinori Tsujikawa
  • Patent number: D837213
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: January 1, 2019
    Assignee: Fujitsu Frontech Limited
    Inventors: Takumi Kaiya, Akinori Tsujikawa, Hiroyuki Tanaka
  • Patent number: D855613
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: August 6, 2019
    Assignee: Fujitsu Frontech Limited
    Inventors: Takumi Kaiya, Hiroyuki Tanaka, Akinori Tsujikawa
  • Patent number: D859409
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: September 10, 2019
    Assignee: Fujitsu Frontech Limited
    Inventors: Akinori Tsujikawa, Hiroyuki Tanaka, Takumi Kaiya
  • Patent number: D859410
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: September 10, 2019
    Assignee: Fujitsu Frontech Limited
    Inventors: Akinori Tsujikawa, Hiroyuki Tanaka, Takumi Kaiya