Patents by Inventor Takuro Abe

Takuro Abe 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: 20240323532
    Abstract: There are provided a shake correction device and an imaging apparatus capable of mechanically suppressing movement of a movable unit and efficiently radiating heat of the movable unit. A shake correction device includes: a movable unit that holds an imaging element; a fixed unit that supports the movable unit to be movable within a plane that intersects an optical axis of the imaging element; and a lock mechanism that presses a first region of a first member connected to the fixed unit against a second member of the movable unit to suppress movement of the movable unit, in which heat of the movable unit is conducted to the fixed unit from a second region of the first member different from the first region via the first region from the second member by the pressing.
    Type: Application
    Filed: March 20, 2024
    Publication date: September 26, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Takuro ABE, Kouhei AWAZU
  • Publication number: 20240292103
    Abstract: A shake correction device according to an aspect of the present invention includes: an imaging element; a fixed unit that includes a magnet member and a yoke member; a movable unit that includes a holding frame holding the imaging element and a coil member, in which the holding frame is supported to be movable within a plane intersecting an optical axis of the imaging element; and a ball that is disposed between the fixed unit and the movable unit, in which the yoke member includes a first yoke to which the magnet member is provided and a second yoke that is disposed to be spaced apart from the first yoke, the first yoke has a first ball receiving surface that is in contact with the ball, and the first ball receiving surface is a partial region of the first yoke and is a protruding portion toward a movable unit side.
    Type: Application
    Filed: February 26, 2024
    Publication date: August 29, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Shuhei MATSUSHITA, Yuta ABE, Takuro ABE, Kouhei AWAZU, Atsushi MATSUSHIMA
  • Publication number: 20240292101
    Abstract: Provided are a shake correction device and an imaging apparatus reduced in size. A shake correction device that drives an imaging element by an actuator to perform shake correction includes a fixed unit that includes a first fixing member provided with a magnet and a yoke of the actuator; a movable unit that includes a holding frame holding the imaging element and a coil of the actuator and is configured to move within a plane intersecting an optical axis; and a biasing unit that biases the movable unit toward the first fixing member by point contact along an optical axis direction, in which the actuator is disposed on a rear surface of the imaging element.
    Type: Application
    Filed: February 26, 2024
    Publication date: August 29, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Takuro ABE, Kouhei AWAZU
  • Publication number: 20240292102
    Abstract: Provided are a shake correction device and an imaging apparatus that can be thinned. A shake correction device performs shake correction of an imaging element and includes a movable unit that includes the imaging element and a coil of an actuator and is configured to move within a plane intersecting an optical axis; a fixed unit including a magnet and a yoke of the actuator; and a flexible circuit that is connected to the imaging element and/or the coil, in which the flexible circuit has a first bent portion and a second bent portion that are bent, and is disposed to form a first unit by making opening portions of the first bent portion and the second bent portion face each other and fixing the first bent portion and the second bent portion in regions overlapping with each other.
    Type: Application
    Filed: February 26, 2024
    Publication date: August 29, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Shuhei MATSUSHITA, Yuta ABE, Takuro ABE, Yota AKASHI, Kouhei AWAZU
  • Patent number: 12025908
    Abstract: Provided is an imaging apparatus that includes a movement restriction member that mechanically sandwiches a movable member. The imaging apparatus includes the movable member that includes an imaging element, a support member that supports the movable member within a plane that intersects an optical axis of the imaging element, and a movement restriction member that includes a first member and a second member. The first member and the second member move between sandwiching positions at which the first member and the second member sandwich a sandwiching target member provided on the movable member and non-sandwiching positions separated from the sandwiching target member, and at the sandwiching positions, the first member and the second member sandwich the sandwiching target member at at least two or more points.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: July 2, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Takuro Abe, Kouhei Awazu
  • Publication number: 20240214685
    Abstract: A first image blur correction device includes an imaging-element holding-member to which an imaging-element is fixed, a housing that supports the imaging-element holding-member to be movable in a direction X perpendicular to an optical axis of a lens device, and a first drive mechanism that generates thrust of moving the imaging-element holding-member in the direction X. The first drive mechanism includes a first magnet that is fixed to the housing and in which a direction connecting both magnetic poles is parallel to the direction X, and a first coil that is fixed to the imaging-element holding-member to face the first magnet. In a state where the imaging-element holding-member is at a reference position where the optical axis of the lens device coincides with a center of the imaging-element, a position of a first magnet center in the direction X and a first coil central axis deviate from each other.
    Type: Application
    Filed: March 12, 2024
    Publication date: June 27, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Kouhei AWAZU, Yasuhiro MIWA, Takuro ABE
  • Patent number: 11962904
    Abstract: A first image blur correction device includes an imaging-element holding-member to which an imaging-element is fixed, a housing that supports the imaging-element holding-member to be movable in a direction X perpendicular to an optical axis of a lens device, and a first drive mechanism that generates thrust of moving the imaging-element holding-member in the direction X. The first drive mechanism includes a first magnet that is fixed to the housing and in which a direction connecting both magnetic poles is parallel to the direction X, and a first coil that is fixed to the imaging-element holding-member to face the first magnet. In a state where the imaging-element holding-member is at a reference position where the optical axis of the lens device coincides with a center of the imaging-element, a position of a first magnet center in the direction X and a first coil central axis deviate from each other.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: April 16, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Kouhei Awazu, Yasuhiro Miwa, Takuro Abe
  • Publication number: 20230396863
    Abstract: An imaging element unit that is built in a housing of an imaging device includes an imaging element that includes an imaging surface imaging a subject and a back surface opposite to the imaging surface, a circuit board which is mounted on the back surface and in which an opening causing a part of the back surface to be exposed therethrough is formed, and a first heat conductive member and a second heat conductive member to which driving heat of the imaging element is conducted. The first heat conductive member is connected to the second heat conductive member and has elasticity higher than elasticity of the second heat conductive member, and the second heat conductive member is connected to the back surface via the opening.
    Type: Application
    Filed: August 17, 2023
    Publication date: December 7, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Takuro ABE, Kouhei AWAZU, Yuta WATANABE, Yuta ABE
  • Publication number: 20230396864
    Abstract: An imaging element unit that is built in a housing of an imaging device includes an imaging element that includes an imaging surface imaging a subject and a back surface opposite to the imaging surface, an anti-vibration function that moves the imaging element in plane directions of the imaging surface, and a first heat conductive member to which driving heat of the imaging element is conducted from the back surface and which is deformed to be capable of following movement of the imaging element caused by the anti-vibration function. The first heat conductive member includes an outer layer portion and at least one inner layer portion that is connected to the outer layer portion and is disposed in a space surrounded by the outer layer portion, and the outer layer portion and the inner layer portion include bent portions that allow the first heat conductive member to be deformable.
    Type: Application
    Filed: August 17, 2023
    Publication date: December 7, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Takuro ABE, Kouhei Awazu, Yuta Abe, Yuta Watanabe
  • Publication number: 20230378224
    Abstract: An imaging control substrate includes: a processor having a plurality of differential signal input terminals into which a signal output from an imaging element is to be input; a power control circuit that controls electric power supplied to the imaging element; a first connector to which a power supply line that supplies the electric power controlled by the power control circuit to an imaging substrate mounted with the imaging element is connected; a second connector to which only a differential signal transmission line that transmits an output signal of the imaging element is connected; and a wiring group that connects the second connector and the plurality of differential signal input terminals.
    Type: Application
    Filed: August 1, 2023
    Publication date: November 23, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Yoshinori FURUTA, Takuro ABE
  • Publication number: 20230295770
    Abstract: Disclosed is A method for recovering lithium from slag containing at least aluminum and lithium, the slag being provided by melting a lithium-ion secondary battery to be disposed of to obtain molten metal containing valuable metal and molten slag containing at least aluminum and lithium and separating the slag containing at least aluminum and lithium from the molten metal containing valuable metal. The condition of the melting of the lithium-ion secondary battery is adjusted such that the slag has an aluminum to lithium mass ratio, Al/Lo, of 6 or less. The method includes: contacting the slag with an aqueous liquid to obtain a leachate containing lithium leached from the slag; and contacting the leachate with a basic substance to cause unwanted metal contained in the leachate to precipitate in the form of a slightly soluble substance, followed by solid-liquid separation to obtain a purified solution having lithium dissolved therein.
    Type: Application
    Filed: April 13, 2021
    Publication date: September 21, 2023
    Inventors: Takuro ABE, Naoki HOSODA, Shinsuke KATAYAMA, Satoshi ASANO, Toshihiko NAGAKURA
  • Publication number: 20230279521
    Abstract: Provided is a method for recovering lithium from a material containing fluorine and lithium. The method includes: mixing the material with an aqueous sulfuric acid solution or water to prepare a mixed liquid; and mixing the mixed liquid with a slightly or sparingly soluble calcium-containing alkaline agent to form a precipitate containing fluorine and calcium, followed by solid-liquid separation to obtain a purified solution having lithium dissolved therein. In the preparation of the a mixed liquid, the material and the sulfuric acid aqueous solution or water are mixed and heated at 60° to 90° C.
    Type: Application
    Filed: October 18, 2021
    Publication date: September 7, 2023
    Inventors: Takuro ABE, Yusuke SUZUKI, Shinsuke KATAYAMA
  • Publication number: 20230102719
    Abstract: Provided is an imaging apparatus that includes a movement restriction member that mechanically sandwiches a movable member. The imaging apparatus includes the movable member that includes an imaging element, a support member that supports the movable member within a plane that intersects an optical axis of the imaging element, and a movement restriction member that includes a first member and a second member. The first member and the second member move between sandwiching positions at which the first member and the second member sandwich a sandwiching target member provided on the movable member and non-sandwiching positions separated from the sandwiching target member, and at the sandwiching positions, the first member and the second member sandwich the sandwiching target member at at least two or more points.
    Type: Application
    Filed: August 24, 2022
    Publication date: March 30, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Takuro ABE, Kouhei AWAZU
  • Publication number: 20230102521
    Abstract: A control method used in a system including a moving body and an imaging apparatus includes an acquisition step of acquiring factor information, including movement information related to the moving body, via the imaging apparatus, an adjustment step of adjusting a position of a moving mechanism that moves an image sensor or an imaging lens provided in the imaging apparatus, based on the factor information, an imaging step of imaging a subject by using the image sensor after the adjustment step is executed, and a correction step of correcting a shake applied to the image sensor or the imaging lens by using the moving mechanism in a case in which the imaging step is executed.
    Type: Application
    Filed: September 14, 2022
    Publication date: March 30, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Toshiki KOBAYASHI, Koichi TANAKA, Kazuki ISHIDA, Keito KAMIO, Takeya ABE, Takuro ABE
  • Publication number: 20220006958
    Abstract: A first image blur correction device includes an imaging-element holding-member to which an imaging-element is fixed, a housing that supports the imaging-element holding-member to be movable in a direction X perpendicular to an optical axis of a lens device, and a first drive mechanism that generates thrust of moving the imaging-element holding-member in the direction X. The first drive mechanism includes a first magnet that is fixed to the housing and in which a direction connecting both magnetic poles is parallel to the direction X, and a first coil that is fixed to the imaging-element holding-member to face the first magnet. In a state where the imaging-element holding-member is at a reference position where the optical axis of the lens device coincides with a center of the imaging-element, a position of a first magnet center in the direction X and a first coil central axis deviate from each other.
    Type: Application
    Filed: September 20, 2021
    Publication date: January 6, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Kouhei AWAZU, Yasuhiro MIWA, Takuro ABE
  • Patent number: 10717650
    Abstract: Disclosed is a method for purifying a difluorophosphate, the method including mixing a difluorophosphate containing an impurity with at least one treatment agent selected from the group consisting of carbonates, hydroxides, and halides of alkali metals or alkali earth metals and amines to isolate the impurity. It is preferable that the method further include filtering off, by filtration, a salt or a complex that has been formed by allowing the impurity to be mixed with the treatment agent. Preferably, a carbonate, a hydroxide, or a halide of an alkali metal is used as the treatment agent, and more preferably a carbonate, a hydroxide, or a halide of lithium is used as the treatment agent.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: July 21, 2020
    Assignee: KANTO DENKA KOGYO CO., LTD.
    Inventors: Hiroki Takizawa, Kazuhide Yoshiyama, Keisuke Kude, Wataru Kashikura, Takuro Abe, Mitsuhara Shimoda, Osamu Omae, Hiroyuki Uehara
  • Publication number: 20180118570
    Abstract: Disclosed is a method for purifying a difluorophosphate, the method including mixing a difluorophosphate containing an impurity with at least one treatment agent selected from the group consisting of carbonates, hydroxides, and halides of alkali metals or alkali earth metals and amines to isolate the impurity. It is preferable that the method further include filtering off, by filtration, a salt or a complex that has been formed by allowing the impurity to be mixed with the treatment agent. Preferably, a carbonate, a hydroxide, or a halide of an alkali metal is used as the treatment agent, and more preferably a carbonate, a hydroxide, or a halide of lithium is used as the treatment agent.
    Type: Application
    Filed: April 26, 2016
    Publication date: May 3, 2018
    Inventors: Hiroki TAKIZAWA, Kazuhide YOSHIYAMA, Keisuke KUDE, Wataru KASHIKURA, Takuro ABE, Mitsuhara SHIMODA, Osamu OMAE, Hiroyuki UEHARA
  • Patent number: 9944525
    Abstract: The purpose of the present invention is to provide a method for easily producing a difluorophosphate using only low-cost starting materials without requiring cumbersome operations. According to the present invention, at least one salt selected from the group consisting of halides, carbonates, borates, phosphates, hydroxides and oxides of an alkali metal, an alkaline earth metal or an onium, at least one phosphorus compound selected from the group consisting of oxychlorides and chlorides of phosphorus, water and hydrogen fluoride are reacted.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: April 17, 2018
    Assignee: KANTO DENKA KOGYO CO., LTD.
    Inventors: Takuro Abe, Hiroki Takizawa, Teppei Ota
  • Patent number: 9893381
    Abstract: Provided are a nonaqueous electrolyte for secondary batteries containing an electrolyte having high solubility in ethylene carbonate, propylene carbonate, dimethyl carbonate, diethyl carbonate, ethyl methyl carbonate, or a like solvent and capable of forming a good-quality film on the positive and the negative electrode interface and a nonaqueous secondary battery having the nonaqueous electrolyte. Specifically, an electrolyte for secondary batteries containing a lithium salt as a solute and a nonaqueous solvent is provided, the nonaqueous solvent containing a monofluorophosphoric ester salt having general formula 1 or 2, in which symbols are as defined in the description.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: February 13, 2018
    Assignee: KANTO DENKA KOGYO CO., LTD.
    Inventors: Takuro Abe, Osamu Omae
  • Publication number: 20170197834
    Abstract: The purpose of the present invention is to provide a method for easily producing a difluorophosphate using only low-cost starting materials without requiring cumbersome operations. According to the present invention, at least one salt selected from the group consisting of halides, carbonates, borates, phosphates, hydroxides and oxides of an alkali metal, an alkaline earth metal or an onium, at least one phosphorus compound selected from the group consisting of oxychlorides and chlorides of phosphorus, water and hydrogen fluoride are reacted.
    Type: Application
    Filed: July 8, 2015
    Publication date: July 13, 2017
    Inventors: Takuro ABE, Hiroki TAKIZAWA, Teppei OTA