Patents by Inventor Takahiro Iwamoto

Takahiro Iwamoto 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: 20210017427
    Abstract: One aspect of the present invention is an adhesive film comprising: a first adhesive layer; a metal layer; and a second adhesive layer in this order, wherein each of the first adhesive layer and the second adhesive layer comprises: a first conductive particle being a dendritic conductive particle; and a second conductive particle being a conductive particle other than the first conductive particle and the second conductive particle comprising a non-conductive core and a conductive layer provided on the core.
    Type: Application
    Filed: December 27, 2018
    Publication date: January 21, 2021
    Inventors: Tetsuyuki SHIRAKAWA, Shinnosuke IWAMOTO, Takahiro FUKUI
  • Patent number: 10895714
    Abstract: An optical system used in an imaging apparatus includes an optical element. In a case where the optical element is disposed on a magnification side with respect to an intersection point of an optical axis and a chief paraxial ray, the optical element is a negative lens, and in a case where the optical element is disposed on a reduction side with respect to the intersection point, the optical element is a positive lens. The optical element is configured to satisfy all of the following conditional expressions: 30??d?40 1.225?[nd?(14.387/?d)]?1.276 0.4300?[?gF?(2.9795/?d)]?0.5010, where ?d represents an Abbe number of the optical element, ?gF is a partial dispersion ratio of the optical element for g-line and F-line, and nd is a refractive index of the optical element for d-line.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: January 19, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Shunji Iwamoto, Shinichiro Saito, Satoshi Maetaki, Takahiro Hatada, Suguru Inoue
  • Publication number: 20200321305
    Abstract: One aspect of the invention is a method of manufacturing a connection structure, including disposing an adhesive layer between a first electronic member including a first substrate and a first electrode formed on the first substrate and a second electronic member including a second substrate and a second electrode formed on the second substrate, and pressure-bonding the first electronic member and the second electronic member via the adhesive layer such that the first electrode and the second electrode are electrically connected to each other, wherein the first electronic member further including an insulating layer formed on a side of the first electrode opposite to the first substrate, and the adhesive layer including: a first conductive particle being a dendritic conductive particle; and a second conductive particle being a conductive particle other than the first conductive particle and having a non-conductive core and a conductive layer provided on the core.
    Type: Application
    Filed: December 27, 2018
    Publication date: October 8, 2020
    Inventors: Tetsuyuki SHIRAKAWA, Takahiro FUKUI, Shinnosuke IWAMOTO
  • Publication number: 20200300277
    Abstract: A fluid leakage detection system includes: a measurement unit configured to detect leakage of working oil in a hydraulic cylinder; and a controller configured to acquire a measurement result from the measurement unit, wherein the controller diagnoses that a battery depletion has been caused in a battery in a case in which it is determined that a data from the measurement unit has not been acquired and it is determined that the battery of the measurement unit has been in a low-remaining-battery-level state, and the controller diagnoses that a communication abnormality has been caused in a first communication part of the measurement unit in a case in which it is determined that the data from the measurement unit has not been acquired and it is determined that the battery has not been in the low-remaining-battery-level state.
    Type: Application
    Filed: August 5, 2019
    Publication date: September 24, 2020
    Applicant: KYB Corporation
    Inventors: Takayoshi KIKUCHI, Keitaro YOSHIDA, Takahiro IWAMOTO
  • Patent number: 10756728
    Abstract: An insulated gate device drive apparatus for driving an insulated gate device by using a charging current outputted from a totem-pole output circuit constituted by a high-side output transistor and a low-side output transistor. The insulated gate device drive apparatus includes a charging current correction circuit configured to perform correction to increase the charging current that is decreased by an increased voltage drop of high-side wiring resistance between a power supply and the high-side output transistor.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: August 25, 2020
    Assignee: FUJI ELECTRIC CO., LTD.
    Inventors: Takahiro Mori, Motomitsu Iwamoto
  • Patent number: 10746290
    Abstract: A lockup control device for a vehicle includes: a torque converter, and a lockup control configured to increase a lockup pressure difference command to an initial pressure difference, when a turbine rotation speed variation amount of the torque converter becomes smaller than a predetermined value during a ramp control in which the lockup pressure difference command is increased by a ramp pressure difference, the lockup control section being configured to switch to a second increase gradient having an increase gradient lower than a first increase gradient of the ramp pressure difference when the turbine rotation speed variation amount is equal to or greater than the predetermined value.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: August 18, 2020
    Assignees: JATCO LTD, NISSAN MOTOR CO., LTD.
    Inventors: Takahiro Yamada, Kunihiro Takahashi, Syunsuke Iwamoto, Yuji Okamoto, Toshiaki Noda
  • Publication number: 20200238585
    Abstract: An injection molding device includes an injection machine, a molding die, and a high frequency oscillation device. The injection machine injects a resin material containing a dielectric heat generating material while keeping fluidity by temperature control. The molding die includes a cavity being a channel of flow of the resin material, and a pair of electrodes, each of which faces the cavity, the pair of electrodes being disposed to sandwich the resin material therebetween in a direction crossing a direction of the flow. The high frequency oscillation device applies a high frequency alternate-current voltage to the pair of electrodes.
    Type: Application
    Filed: March 30, 2018
    Publication date: July 30, 2020
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Hidekazu KATO, Michihisa IWAMOTO, Yasuhiro TOMINAGA, Takahiro TANAKA, Teruyuki HAMADA
  • Patent number: 10724028
    Abstract: The invention provides a ligand-bonded fiber in which a ligand having affinity for a cell membrane receptor is immobilized on a fiber precursor, and a cell culture substrate capable of repeating ex vivo amplification of a cell expressing a cell membrane receptor by using the ligand-bonded fiber.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: July 28, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Makiko Umezaki, Takahiro Kishioka, Taito Nishino, Ayako Aihara, Shunsuke Iwamoto, Daisuke Sakuma
  • Publication number: 20200227084
    Abstract: Provided are a magnetic tape comprising a magnetic layer containing a ferromagnetic powder and a binding agent on a non-magnetic support, in which the magnetic layer contains an oxide abrasive, an average particle diameter of the oxide abrasive obtained from a secondary ion image acquired by irradiating a surface of the magnetic layer with a focused ion beam is 0.04 ?m to 0.08 ?m, and an absolute value ?N of a difference between a refractive index Nxy measured with respect to an in-plane direction of the magnetic layer and a refractive index Nz measured with respect to a thickness direction of the magnetic layer is 0.25 to 0.40, and a magnetic recording and reproducing device including the magnetic tape.
    Type: Application
    Filed: March 27, 2020
    Publication date: July 16, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Takahiro IWAMOTO, Hidemasa Hosoda, Norihito Kasada, Takuto Kurokawa
  • Publication number: 20200227081
    Abstract: Provided are a magnetic tape comprising a magnetic layer containing a ferromagnetic powder and a binding agent on a non-magnetic support, in which the magnetic layer contains an oxide abrasive, an average particle diameter of the oxide abrasive obtained from a secondary ion image acquired by irradiating a surface of the magnetic layer with a focused ion beam is greater than 0.08 ?m and 0.14 ?m or smaller, and an absolute value ?N of a difference between a refractive index Nxy measured with respect to an in-plane direction of the magnetic layer and a refractive index Nz measured with respect to a thickness direction of the magnetic layer is 0.25 to 0.40, and a magnetic recording and reproducing device including the magnetic tape.
    Type: Application
    Filed: March 27, 2020
    Publication date: July 16, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Hidemasa HOSODA, Takuto KUROKAWA, Norihito KASADA, Takahiro IWAMOTO
  • Publication number: 20200204174
    Abstract: An insulated gate device drive apparatus for driving an insulated gate device by using a charging current outputted from a totem-pole output circuit constituted by a high-side output transistor and a low-side output transistor. The insulated gate device drive apparatus includes a charging current correction circuit configured to perform correction to increase the charging current that is decreased by an increased voltage drop of high-side wiring resistance between a power supply and the high-side output transistor.
    Type: Application
    Filed: November 29, 2019
    Publication date: June 25, 2020
    Applicant: FUJI ELECTRIC CO., LTD.
    Inventors: Takahiro MORI, Motomitsu IWAMOTO
  • Publication number: 20200126589
    Abstract: The magnetic tape includes a non-magnetic support; a non-magnetic layer including a non-magnetic powder and a binding agent on the non-magnetic support; and a magnetic layer including a ferromagnetic powder and a binding agent on the non-magnetic layer, in which a total thickness of the non-magnetic layer and the magnetic layer is equal to or smaller than 0.60 ?m, an isoelectric point of a surface zeta potential of the magnetic layer is equal to or greater than 5.5, the magnetic layer includes an oxide abrasive, and an average particle diameter of the oxide abrasive obtained from a secondary ion image obtained by irradiating the surface of the magnetic layer with a focused ion beam is 0.04 ?m to 0.08 ?m.
    Type: Application
    Filed: October 21, 2019
    Publication date: April 23, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Takahiro IWAMOTO, Norihito Kasada
  • Patent number: 10619731
    Abstract: A lockup control device for a vehicle includes: a torque converter; a lockup control section configured to increase a lockup pressure difference command to an initial pressure difference when a lockup engagement condition is satisfied in a disengagement state of the lockup clutch, and then to increase the lockup pressure difference command by a ramp pressure difference by a predetermined gradient, the lockup control section being configured to determine a ramp start condition by which the lockup pressure difference command is switched from the initial pressure difference to the ramp pressure difference, based on a speed ratio which is a ratio of input and output rotation speeds of the torque converter.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: April 14, 2020
    Assignees: JATCO LTD, NISSAN MOTOR CO., LTD.
    Inventors: Takahiro Yamada, Kunihiro Takahashi, Syunsuke Iwamoto, Yuji Okamoto, Toshiaki Noda
  • Patent number: 10590626
    Abstract: To improve the precision of position of a fastener hole and a seating face for mounting a counterweight, a counterweight supporting member is comprised of a support plate erected and fixed at the rear end of a revolving frame and a supporting member attached to the support plate. A cylindrical bolt fastening boss is provided on the supporting member in a manner of rotational position adjustable to the supporting plate and in which a fastener hole is formed at an eccentric position.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: March 17, 2020
    Assignee: Caterpillar SARL
    Inventors: Takahiro Iwamoto, Kentaro Nakayama, Takeshi Tsuneyoshi
  • Patent number: 10544564
    Abstract: The present invention aims to improve the strength of the portion of the swing frame for attaching the swing motor apparatus while reducing cost. A bottom plate of a swing frame is divided into a center bottom plate segment to which the swing motor apparatus mounting portion is attached, a front bottom plate segment that is positioned to the front side of the center bottom plate segment and to which the center joint mounting portion is attached, and a rear bottom plate segment positioned to the rear side of the center bottom plate segment, wherein: the center, front, and rear bottom plate segments and are formed integrally by welding; and the plate thickness of the center bottom plate segment is thicker than the plate thickness of the front bottom plate segment and the rear bottom plate segment.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: January 28, 2020
    Assignee: Caterpillar SARL
    Inventors: Takeshi Tsuneyoshi, Takahiro Iwamoto, Takeshi Nakamura, Akito Nakai, Kentaro Nakayama, Dharmesh Kumar, Koichi Andatsu
  • Patent number: 10423192
    Abstract: It is an object of this invention to provide a display device capable of easily adjusting the height thereof without providing an extension and contraction mechanism. The display device (1) of this invention includes: a casing (3); and a display unit (5) to be installed for use onto the casing (3), the casing (3) and the display unit (5) being available to directly couple to each other. A coupling structure between the casing (3) and the display unit (5) is changeable from a state in which the casing (3) and the display unit (5) are directly coupled to each other to a state in which the casing (3) and the display unit (5) are coupled to each other with a pole (7) having a columnar shape and separable along a center axis thereof, which is mounted between the casing (3) and the display unit (5).
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: September 24, 2019
    Assignee: NEC Platforms, Ltd.
    Inventors: Takahiro Iwamoto, Natsuki Hagiwara, Takashi Nakashima
  • Patent number: 10379325
    Abstract: An optical system includes a negative lens satisfying the following conditional expressions: 30??d?40, 1.225?[nd?(14.387/?d)]?1.276, and 0.4300?[?gF?(2.9795/?d)]?0.5010, where ?d is an Abbe number of the negative lens, ?gF is a partial dispersion ratio of the negative lens at a g-line and an F-line, and nd is a refractive index of the negative lens at a d-line.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: August 13, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunji Iwamoto, Shinichiro Saito, Satoshi Maetaki, Takahiro Hatada, Suguru Inoue
  • Patent number: 10353185
    Abstract: A conversion lens having a negative refractive power includes a positive lens GP. The positive lens GP satisfies all the following conditional expressions: 30??d?40, 1.225?[nd?(14.387/?d)]?1.276, and 0.4300?[?gF?(2.9795/?d)]?0.5010, where ?d is an Abbe number of the positive lens GP, ?gF is a partial dispersion ratio of the positive lens GP for g-line and F-line, and nd is a refractive index of the positive lens GP for d-line.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: July 16, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunji Iwamoto, Shinichiro Saito, Satoshi Maetaki, Takahiro Hatada, Suguru Inoue
  • Patent number: 10301797
    Abstract: To improve the precision of position of a fastener hole and a seating face for mounting a counterweight, a counterweight supporting member is comprised of a support plate erected and fixed at the rear end of a revolving frame and a supporting member attached to the support plate. The supporting member is comprised of a base member that is locked and secured to a through hole opened on the support plate in a back and forth adjustable manner and has a counterweight fixing surface and a bolt fastening member in which a fastener hole for receiving a fastener bolt is formed.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: May 28, 2019
    Assignee: Caterpillar SARL
    Inventors: Takahiro Iwamoto, Kentaro Nakayama, Takeshi Tsuneyoshi
  • Publication number: 20190153700
    Abstract: The present invention aims to improve the strength of the portion of the swing frame for attaching the swing motor apparatus while reducing cost. A bottom plate of a swing frame is divided into a center bottom plate segment to which the swing motor apparatus mounting portion is attached, a front bottom plate segment that is positioned to the front side of the center bottom plate segment and to which the center joint mounting portion is attached, and a rear bottom plate segment positioned to the rear side of the center bottom plate segment, wherein: the center, front, and rear bottom plate segments and are formed integrally by welding; and the plate thickness of the center bottom plate segment is thicker than the plate thickness of the front bottom plate segment and the rear bottom plate segment.
    Type: Application
    Filed: May 12, 2017
    Publication date: May 23, 2019
    Applicant: Caterpillar SARL
    Inventors: Takeshi Tsuneyoshi, Takahiro Iwamoto, Takeshi Nakamura, Akashi-shi Nakai, Kentaro Nakayama, Dharmesh Kumar, Koichi Andatsu