Patents by Inventor Shinichiro FUJIKI

Shinichiro FUJIKI 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).

  • Publication number: 20210224958
    Abstract: Provided are an image blur correcting device that capable of improving a degree of freedom in design and realizing miniaturization or weight reduction, a lens device including the image blur correcting device, and an imaging device including the lens device. An image blur correcting device includes a fixing member, a first movable member that is supported by the fixing member in a state of being movable in a direction X, and a second movable member that is supported by the first movable member in a state of being movable in a direction Y. A second coil that drives the second movable member is fixed to one first surface of the second movable member in a direction Z, and a first coil that drives the first movable member is fixed to the other second surface of the second movable member in the direction Z.
    Type: Application
    Filed: April 2, 2021
    Publication date: July 22, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Keito KAMIO, Kazuaki OKAMORI, Shinichiro FUJIKI, Ryosuke NAGAMI
  • Publication number: 20210208486
    Abstract: A lens unit includes a guided portion that includes a first bearing portion and a second bearing portion disposed to be spaced apart from each other in a direction X and is slidably supported by a guide shaft, and a lens holding member. A first distance between the center of a fixing portion of the lens holding member and the center of the first bearing portion in the direction X is set to be longer than a second distance between the center of the fixing portion and the center of the second bearing portion in the direction X. A first tilt-preventing member having a linear expansion coefficient lower than that of the lens holding member is fixed to a region, which is closer to the first bearing portion than the center of the fixing portion, of a portion of the guided portion positioned between the first and second bearing portions.
    Type: Application
    Filed: March 19, 2021
    Publication date: July 8, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Takeya ABE, Keito KAMIO, Ryosuke NAGAMI, Shinichiro FUJIKI, Kazuaki OKAMORI, Yuya SAKAI
  • Publication number: 20210076019
    Abstract: An image correction device includes a reception unit, a detection unit and a correction unit. The reception unit receives a first-image and a second-image, which are obtained by a first-imaging device and a second-imaging device, and an imaging condition that is at least one piece of information on an imaging date and time or information on an imaging location corresponding to each of the first-image and the second-image. The detection unit detects the same scene between images indicated by the first-image and the second-image based on the imaging conditions corresponding to each of the first-image and the second-image. The correction unit extracts, from each of the images indicated by the first-image and the second-image corresponding to the same scene, a common subject which is common between the images, and performs, on the corresponding image, color correction of making colors of the extracted common subject similar to each other.
    Type: Application
    Filed: November 17, 2020
    Publication date: March 11, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Shinya FUJIWARA, Akihiro UCHIDA, Kosuke IRIE, Koichi TANAKA, Shinichiro FUJIKI
  • Patent number: 10942427
    Abstract: Provided are a lens unit and a camera system capable of reducing an amount of rotation of a stop ring in a case of switching between a manual exposure mode and an auto exposure mode. The lens unit 200 includes an optical system 202 that includes at least one lens, a lens barrel 204 that houses the optical system, and a stop ring 208 that is rotatably disposed around the optical axis OA as an axis. The stop ring 208 includes a first indication area 218 and a second indication area 220. The first indication area 218 and the second indication area 220 respectively includes auto indications 218A and 220A corresponding to the auto exposure mode and exposure amount indications 218B and 220B corresponding to the manual exposure mode. The first indication area 218 and the second indication area 220 have periodicity.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: March 9, 2021
    Assignee: FUJIFILM Corporation
    Inventor: Shinichiro Fujiki
  • Patent number: 10908481
    Abstract: Provided are a camera system, a camera body, a lens unit, a stop adjustment method, and a program that allow a user to change a sort order of a single auto indication and a plurality of aperture values. The camera system includes: a lens unit that includes a stop ring selecting a single auto indication corresponding to an auto mode and a plurality of aperture values corresponding to a manual mode in accordance with a rotational angle; and a camera body on which the lens unit can be interchangeably mounted. The camera body includes a display section which is capable of rewriting a sort order of the single auto indication and the plurality of aperture values, and a camera control section which executes a change mode for changing a sort order of the plurality of aperture values and the single auto indication corresponding to the rotational angle of the stop ring.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: February 2, 2021
    Assignee: FUJIFILM Corporation
    Inventor: Shinichiro Fujiki
  • Publication number: 20210006729
    Abstract: A focusing control device that moves a position of a focus lens included in an imaging lens along an optical axis direction. The device comprises a processor configured to execute a process.
    Type: Application
    Filed: September 23, 2020
    Publication date: January 7, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Koichi TANAKA, Kenkichi HAYASHI, Akihiro UCHIDA, Seiichi IZAWA, Shinichiro FUJIKI
  • Publication number: 20200409026
    Abstract: An imaging device stores a focal length and a position of a focus lens in a storage unit in a case in which a focal state is determined to be a focus state in which a subject is in focus and at least one of the imaging device or the subject is determined to be stationary; generates tracking data for changing the position of the focus lens according to a change in focal length, using a plurality of stored focal lengths and a plurality of stored positions of the focus lens; and performs a zoom tracking control using the generated tracking data.
    Type: Application
    Filed: September 15, 2020
    Publication date: December 31, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Shinichiro FUJIKI, Akihiro UCHIDA, Koichi TANAKA, Kenkichi HAYASHI, Seiichi IZAWA
  • Publication number: 20200348490
    Abstract: An imaging device derives a change amount of image magnification corresponding to each of a plurality of F-numbers in an autofocus area on the basis of a reference value of the change amount of the image magnification in accordance with a change in position of a focus lens for each of the plurality of F-numbers, in a case where autofocus is executed; determines, as a limit F-number, an F-number corresponding to any change amount equal to or less than a threshold value of the allowed change amount of the image magnification among the derived change amounts; and sets an F-number as the limit F-number in a case where the F-number obtained from a subject luminance in a case where autofocus is executed exceeds the determined limit F-number.
    Type: Application
    Filed: July 20, 2020
    Publication date: November 5, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Akihiro UCHIDA, Koichi TANAKA, Kenkichi HAYASHI, Shinichiro FUJIKI, Seiichi IZAWA
  • Publication number: 20200228724
    Abstract: A CPU executes a zoom tracking control program to function as an acquisition unit that acquires a focal length of an imaging lens from a state of a zoom lens; and a control unit that performs first control of performing control to change a position of a focus lens along an optical axis direction according to the acquired focal length on the basis of a zoom tracking curve represented by tracking data representing a correspondence relationship between the focal length and a focus position according to a subject distance, and second control of acquiring contrast information representing contrast of a captured image a plurality of times during execution of the first control and performing control to change the zoom tracking curve used in the first control on the basis of a change of contrast values represented by a plurality of pieces of the acquired contrast information.
    Type: Application
    Filed: March 25, 2020
    Publication date: July 16, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Koji MORI, Shinichiro FUJIKI
  • Publication number: 20200228725
    Abstract: An imaging device acquires a focal length of an imaging lens; and in performing of zoom tracking control to change a state of the focus lens of the imaging lens according to the acquired focal length, in a case where a change of the acquired focal length is detected, varies a criterion in the zoom tracking control depending on whether autofocus is being executed or not.
    Type: Application
    Filed: March 25, 2020
    Publication date: July 16, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Akihiro UCHIDA, Koichi TANAKA, Kenkichi HAYASHI, Shinichiro FUJIKI, Seiichi IZAWA
  • Publication number: 20200174346
    Abstract: Provided are a lens unit and a camera system capable of reducing an amount of rotation of a stop ring in a case of switching between a manual exposure mode and an auto exposure mode. The lens unit 200 includes an optical system 202 that includes at least one lens, a lens barrel 204 that houses the optical system, and a stop ring 208 that is rotatably disposed around the optical axis OA as an axis. The stop ring 208 includes a first indication area 218 and a second indication area 220. The first indication area 218 and the second indication area 220 respectively includes auto indications 218A and 220A corresponding to the auto exposure mode and exposure amount indications 218B and 220B corresponding to the manual exposure mode. The first indication area 218 and the second indication area 220 have periodicity.
    Type: Application
    Filed: February 6, 2020
    Publication date: June 4, 2020
    Applicant: FUJIFILM Corporation
    Inventor: Shinichiro FUJIKI
  • Publication number: 20200174345
    Abstract: Provided are a camera system, a camera body, a lens unit, a stop adjustment method, and a program that allow a user to change a sort order of a single auto indication and a plurality of aperture values. The camera system includes: a lens unit that includes a stop ring selecting a single auto indication corresponding to an auto mode and a plurality of aperture values corresponding to a manual mode in accordance with a rotational angle; and a camera body on which the lens unit can be interchangeably mounted. The camera body includes a display section which is capable of rewriting a sort order of the single auto indication and the plurality of aperture values, and a camera control section which executes a change mode for changing a sort order of the plurality of aperture values and the single auto indication corresponding to the rotational angle of the stop ring.
    Type: Application
    Filed: February 6, 2020
    Publication date: June 4, 2020
    Applicant: FUJIFILM Corporation
    Inventor: Shinichiro FUJIKI
  • Patent number: 9247112
    Abstract: An imaging device comprising: a first optical system formed by combining an optical system from an imaging lens to an image pickup element where a subject image is formed and an optical system from a display device where an electronic image of a subject representing an image formed at the image pickup element is displayed to an ocular unit of a finder; a second optical system which guides an optical image of the subject to the ocular unit; and a correcting device which performs, based on distortion aberration information about the first optical system and distortion aberration about the second optical system, distortion aberration correction so that distortion aberration equal to distortion aberration of the second optical system occurs in an electronic image of the subject and causes the electronic image to be displayed on the display device.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: January 26, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Shunsuke Miyagishima, Shinichiro Fujiki
  • Patent number: 8937679
    Abstract: An imaging device of the present invention includes: an imaging optical system; an imaging element that forms a subject image through the imaging optical system; a display unit that displays the subject image imaged by the imaging element, as a live view image; an optical viewfinder; a synthesis unit that synthesizes an optical image visually checked by the optical viewfinder and the live view image displayed by the display unit; a defocus amount calculation unit that calculates a defocus amount from a focusing state of the subject image; and a display control unit that displaces the live view image displayed on the display unit, with respect to the optical image, according to the defocus amount calculated by the defocus amount calculation unit, and that displays the subject image on the display unit so that the optical image fits the live view image when the defocus amount becomes zero.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: January 20, 2015
    Assignee: FUJIFILM Corporation
    Inventor: Shinichiro Fujiki
  • Publication number: 20140375864
    Abstract: An imaging device comprising: a first optical system formed by combining an optical system from an imaging lens to an image pickup element where a subject image is formed and an optical system from a display device where an electronic image of a subject representing an image formed at the image pickup element is displayed to an ocular unit of a finder; a second optical system which guides an optical image of the subject to the ocular unit; and a correcting device which performs, based on distortion aberration information about the first optical system and distortion aberration about the second optical system, distortion aberration correction so that distortion aberration equal to distortion aberration of the second optical system occurs in an electronic image of the subject and causes the electronic image to be displayed on the display device.
    Type: Application
    Filed: September 8, 2014
    Publication date: December 25, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Shunsuke MIYAGISHIMA, Shinichiro FUJIKI