Patents by Inventor Yuta Nakamura

Yuta Nakamura 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: 20210191235
    Abstract: An imaging device, having a substrate on which an imaging portion is mounted, a lens barrel for holding a lens, and a case disposed so as to cover the lens barrel and the substrate, wherein: the lens barrel and the case are fitted radially, and the lens barrel and the case comprise a rotation constraining portion for constraining mutual rotation thereof, in respect to the optical axial direction.
    Type: Application
    Filed: March 30, 2018
    Publication date: June 24, 2021
    Applicant: NIDEC COPAL CORPORATION
    Inventor: Yuta NAKAMURA
  • Patent number: 11029582
    Abstract: An image capturing apparatus having a forced air cooling function and capable of having an accessory attached thereto includes an image capturing apparatus body. A lens mount is provided on the apparatus body and can have a shooting lens removably attached thereto. An attachment portion is provided on the apparatus body and can have the accessory removably attached thereto. A built-in microphone is arranged on a side of a surface of the apparatus body, different from any of a surface where an air outlet port for discharging air used for forced cooling is arranged, a surface where the lens mount is arranged, and a surface where the attachment portion is arranged. The built-in microphone is arranged at a location closer to a top surface of the image capturing apparatus body than a bottom surface thereof.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: June 8, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yuta Nakamura, Yasuhiro Kojima, Hideki Toichi, Hayato Mano, Yusuke Mogi
  • Publication number: 20210159799
    Abstract: A power conversion device having a multi-phase converter in which a plurality of chopper circuits each including a switching element and a reactor connected to the switching element are connected in parallel is provided.
    Type: Application
    Filed: June 4, 2019
    Publication date: May 27, 2021
    Inventors: Takami SUZUKI, Yuta NAKAMURA, Kazunari KUROKAWA, Takuma KATO
  • Publication number: 20210155012
    Abstract: An inkjet printing device includes an ink container accommodating a clear ink containing a resin and an organic solvent, a discharging head including a nozzle plate, the discharging head being configured to discharge the clear ink onto a substrate to form a printing layer on the substrate, and a heating device configured to heat the substrate, wherein the heating device heats the substrate satisfying the following relationship: Tmatte (degrees C.)>Tgloss (degrees C.), where Tmatte represents a temperature of the substrate in a first printing region when the clear ink is attached to the substrate in a first printing mode and Tgloss represents a temperature of the substrate in a second printing region when the clear ink is attached to the substrate in a second printing mode, wherein the receding contact angle of the clear ink against the nozzle plate is 35 degrees or greater.
    Type: Application
    Filed: November 20, 2020
    Publication date: May 27, 2021
    Inventors: Hiroshi GOTOU, Hiroaki TAKAHASHI, Yuta NAKAMURA, Yuusuke KOIZUKA, Ayaka TANAKA
  • Patent number: 11015072
    Abstract: An ink contains water, an organic solvent, and a resin having a glass transition temperature Tg of from 0 to 70 degrees C., wherein a contact angle ?1 of the ink against a vinyl chloride resin film and a contact angle ?2 of the ink against an ink image formed with the ink satisfies the following relationship: ?1<?2.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: May 25, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuta Nakamura, Naoto Shimura
  • Publication number: 20210132326
    Abstract: An imaging device comprising a substrate upon which an imaging unit is mounted; a lens barrel holding a lens; a lens flange holding the lens barrel; and a plate holding the substrate and the lens flange. The plate has a first holding section that impels either the plate or the lens flange in the optical axis direction and fixes same and holds the other out of the substrate and the lens flange so as to be movable in a direction perpendicular to the optical axis. The other out of the substrate and the lens flange is fixed to the plate.
    Type: Application
    Filed: January 16, 2018
    Publication date: May 6, 2021
    Applicant: NIDEC COPAL CORPORATION
    Inventors: Yuta NAKAMURA, Koichi KUBO
  • Publication number: 20210105387
    Abstract: An imaging device, having a substrate for mounting an imaging portion; a lens barrel for holding a lens group; a shield plate covering the vicinity of the substrate; and a case disposed so as to cover the lens barrel, the substrate, and the shield plate, wherein: the shield plate is structured having a contacting portion that contacts another member so as to constrain movement in the optical axial direction, and a biasing portion that contacts the coupling so as to receive a biasing force in the optical axial direction.
    Type: Application
    Filed: March 26, 2018
    Publication date: April 8, 2021
    Applicant: NIDEC COPAL CORPORATION
    Inventors: Yuta NAKAMURA, Takuma ISHIKAWA
  • Publication number: 20210104955
    Abstract: The present power conversion device includes an inverter, a step-up/down converter, a first capacitor, a second capacitor, a voltage sensor, a control device, and a backup power supply. The auxiliary device is connected between the first DC power supply and the step-up/down converter, and the control device includes an abnormality determination unit configured to determine that an abnormality has occurred when a control voltage is equal to or lower than a first threshold value, and a control unit configured to execute discharge control when the abnormality determination unit determines that the abnormality has occurred and an inter-terminal voltage measured by the voltage sensor is equal to or lower than a second threshold value.
    Type: Application
    Filed: September 30, 2020
    Publication date: April 8, 2021
    Inventors: Nobukatsu YAMAGUCHI, Yuta NAKAMURA, Yasuhiko KONDO
  • Publication number: 20210104956
    Abstract: The present power control device includes an inverter, a step-up/down converter, a first capacitor, a second capacitor, and a control device. The step-up/down converter includes an upper arm and a lower arm that are switching elements, and a reactor that has a first end and a second end, the first end being connected to the first capacitor, and the second end being connected between the upper arm and the lower arm. The control device is configured to fix the lower arm in an off state and control the upper arm such that the upper arm switches at a predetermined duty ratio.
    Type: Application
    Filed: September 30, 2020
    Publication date: April 8, 2021
    Inventors: Nobukatsu YAMAGUCHI, Yuta NAKAMURA, Takami SUZUKI
  • Publication number: 20210092271
    Abstract: An imaging device includes an imaging unit that captures an image of a subject, a substrate on which the imaging unit is mounted, a lens barrel holding a lens, a shield plate surrounding the substrate and including a metal, and a case accommodating the substrate, the lens barrel, and the shield plate and including a metal. The shield plate is in contact with the case. The substrate includes a ground potential portion electrically connected to the shield plate and the case.
    Type: Application
    Filed: July 25, 2018
    Publication date: March 25, 2021
    Inventor: Yuta NAKAMURA
  • Publication number: 20210062026
    Abstract: An ink contains a coloring material, an organic solvent, a resin, and a compound represented by Chemical Formula 1 having a weight average molecular weight of from 390 to 610, where R1 represents a hydrocarbon group, and n represents an integer of 2 or greater.
    Type: Application
    Filed: August 18, 2020
    Publication date: March 4, 2021
    Inventors: Naoto Shimura, Yuta Nakamura, Yoshiaki Masuda
  • Patent number: 10935873
    Abstract: An imaging device, having a substrate for mounting an imaging portion; a lens barrel for holding a lens group; a shield plate covering the vicinity of the substrate; a case disposed so as to cover the lens barrel, the substrate, and the shield plate; and a coupling, for connecting the substrate and another member, connected electrically to the ground electropotential, and a biasing portion that contacts the coupling so as to receive a biasing force in the optical axial direction.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: March 2, 2021
    Assignee: NIDEC COPAL CORPORATION
    Inventor: Yuta Nakamura
  • Publication number: 20210055632
    Abstract: An image capturing apparatus having a forced air cooling function and capable of having an accessory attached thereto includes an image capturing apparatus body. A lens mount is provided on the apparatus body and can have a shooting lens removably attached thereto. An attachment portion is provided on the apparatus body and can have the accessory removably attached thereto. A built-in microphone is arranged on a side of a surface of the apparatus body, different from any of a surface where an air outlet port for discharging air used for forced cooling is arranged, a surface where the lens mount is arranged, and a surface where the attachment portion is arranged. The built-in microphone is arranged at a location closer to a top surface of the image capturing apparatus body than a bottom surface thereof.
    Type: Application
    Filed: July 9, 2020
    Publication date: February 25, 2021
    Inventors: Yuta Nakamura, Yasuhiro Kojima, Hideki Toichi, Hayato Mano, Yusuke Mogi
  • Publication number: 20210055637
    Abstract: An image capturing apparatus having a high operability irrespective of whether an accessory is attached to an apparatus body. The apparatus body includes a first connection section connected to the accessory, a first operation member disposed in a surface different from a surface where the first connection section is provided, and a second operation member disposed in the surface where the first connection section is provided. The accessory includes a second connection section which can be connected to the first connection section, and a third operation section disposed in a surface different from the surface where the second connection section is provided and is located in the vicinity of the second operation member in a state in which the accessory is attached to the apparatus body. The second operation member and the third operation member have at least one same function.
    Type: Application
    Filed: July 9, 2020
    Publication date: February 25, 2021
    Inventors: Yuta Nakamura, Hideki Toichi, Kazuo Yamamoto
  • Patent number: 10919294
    Abstract: A liquid discharging device includes a carriage carrying a head configured to discharge a liquid onto a target, the liquid including an ink, the ink consisting water, an organic solvent, a coloring material, and a plurality of polysiloxane compounds, a driving unit configured to move the carriage and the target relatively to each other, a measuring unit configured to measure the distance between the carriage and the target, an image-capturing unit configured to capture a target image, and a setting unit configured to set a liquid discharging performance of the head based on a measurement result obtained by the measuring unit and the target image obtained by the image-capturing unit.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: February 16, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Takuya Fujita, Hiromi Sakaguchi, Yuta Nakamura, Naoto Shimura, Yoshiaki Masuda, Tetsuto Ueda, Yoshimi Nemoto, Kenichi Taguma, Naohiro Toda, Shinya Seno, Nobuyuki Satoh
  • Patent number: 10893180
    Abstract: An imaging device having a substrate having an imaging unit mounted thereupon; a lens barrel holding a lens; a holder holding the lens barrel and being connected to the substrate; and a first elastic body impelling the substrate in a first direction perpendicular to the optical axis.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: January 12, 2021
    Assignee: Nidec Copal Corporation
    Inventor: Yuta Nakamura
  • Publication number: 20200407942
    Abstract: There is provided a working vehicle capable of simplifying a structure and reducing manufacturing costs by realizing a configuration in which a tying-down attachment point doubles as a lifting attachment point. A working vehicle according to the present invention includes tying-down attachment points for locking a tightening member for preventing reversal at the time of transportation or parking in at least the front of a vehicle body, in which the tying-down attachment points are arranged at right-and-left two places on a front end surface of the vehicle body, capable of locking a lifting member for lifting the vehicle body upward and having strength in a vertical direction enough to withstand a load applied at the time of lifting the vehicle body upward after locking the lifting member, thereby doubling as lifting attachment points.
    Type: Application
    Filed: September 26, 2019
    Publication date: December 31, 2020
    Inventors: Shingo TAKEUCHI, Yuta NAKAMURA
  • Publication number: 20200388787
    Abstract: The present invention addresses the problem of providing: a luminescent thin film, a luminescent multilayered film, and an organic electroluminescent element that have luminescence properties with excellent storage stability in atmospheric air; and a production method therefor. This luminescent thin film contains a luminescent compound A, and is characterized by containing 0.0001 mass % or more of an oxide B of luminescent compound A in terms of the luminescent compound A.
    Type: Application
    Filed: January 9, 2019
    Publication date: December 10, 2020
    Inventors: Yuta NAKAMURA, Satoru INOUE
  • Publication number: 20200363702
    Abstract: An imaging device includes a first case, a second case joined to the first case, a substrate receiving an electronic component accommodated in an internal space defined by the first and second cases, a lens barrel holding a lens and supported by the first or second case, and a waterproof seal held in a waterproof-seal holding space between the first and second cases. The first case has a first surface substantially perpendicular to an optical axis, a second surface substantially parallel to the optical axis, and an inner surface meeting the first surface and extending in the optical axis direction. The first and second surfaces form the waterproof-seal holding space. The inner surface faces the substrate edge. The second case has a third surface substantially perpendicular to the optical axis and a fourth surface substantially parallel to the optical axis. The third and fourth surfaces form the waterproof-seal holding space.
    Type: Application
    Filed: November 29, 2018
    Publication date: November 19, 2020
    Inventor: Yuta NAKAMURA
  • Patent number: 10793085
    Abstract: An imaging device includes a lens barrel for supporting, while enclosing, one or more lenses; an imaging element for detecting light that passes through the lens; a lens holder for supporting the lens barrel; an elastic body that is disposed so as to bias the lens barrel relative to the lens holder; and an upper case that is formed so as to enable connection with an external member. The lens holder and the upper case are formed integrally. In such an imaging device, the lens holder and the upper case are formed integrally, and thus when compared to a configuration wherein the lens holder and the upper case are structured separately, the number of components can be reduced, thereby enabling a reduction in costs.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: October 6, 2020
    Assignee: Nidec Copal Corporation
    Inventor: Yuta Nakamura