Patents by Inventor Koji Higuchi

Koji Higuchi 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: 20240128307
    Abstract: A substrate processing method includes: (A) preparing a substrate, on which a high-dielectric film having a higher permittivity than a SiO2 film is formed; (B) supplying, to the substrate, a metal solution containing a second metal element having a higher electronegativity or a lower valence than a first metal element contained in the high-dielectric film; and (C) forming a doping layer, in which the first metal element is substituted with the second metal element, on a surface of the high-dielectric film.
    Type: Application
    Filed: January 31, 2022
    Publication date: April 18, 2024
    Inventors: Rintaro HIGUCHI, Mitsunori NAKAMORI, Koji KAGAWA, Kenji SEKIGUCHI, Hajime NAKABAYASHI, Syuhei YONEZAWA
  • Patent number: 11920591
    Abstract: An electric oil pump includes a motor including a motor shaft, a pump assembly including a vane pump driven by the motor to suction and discharge oil, and an inverter to drive the motor. The motor includes a rotor, a stator on a side outward from the rotor in a radial direction, and a motor housing containing the rotor and the stator. The motor housing includes a suction port through which the vane pump suctions oil from outside, and a discharge port through which the vane pump discharges oil to outside. The motor housing includes flat surface portions in a portion of an outer periphery thereof. The suction port and the discharge port are located in a first surface of side surfaces which are the flat surface portions of the motor housing and are parallel or substantially parallel to the axial direction.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: March 5, 2024
    Assignees: NIDEC TOSOK CORPORATION, KYB CORPORATION
    Inventors: Koji Higuchi, Yutaka Hashimoto, Yoshiyuki Maki, Kohei Kubo
  • Publication number: 20230317030
    Abstract: A display drive device includes a common voltage generating circuit that applies a voltage obtained by amplifying a reference common voltage to a common electrode as a common voltage, a reference gamma voltage generating circuit generating first to kth reference gamma voltages corresponding to predetermined gamma characteristics, a gamma compensation circuit receiving a voltage of the common electrode from the display panel and generating first to kth compensated reference gamma voltages obtained by adjusting voltage values of the first to kth reference gamma voltages based on a difference between the received voltage of the common electrode and the reference common voltage, and data drivers, each receives the first to kth compensated reference gamma voltages, generates grayscale voltages based on the first to kth compensated reference gamma voltages, selects a grayscale voltage corresponding to a brightness level indicated by a video signal, and supplies the grayscale voltage to each data line.
    Type: Application
    Filed: March 22, 2023
    Publication date: October 5, 2023
    Applicant: LAPIS Technology Co., Ltd.
    Inventor: Koji Higuchi
  • Publication number: 20230255939
    Abstract: A novel antimicrobial agent is provided, and a compound represented by formula (I) or (II) or a salt thereof is used as an antimicrobial agent for a non-human animal.
    Type: Application
    Filed: June 2, 2021
    Publication date: August 17, 2023
    Inventors: Hiroshi Shikama, Koji Higuchi, Shogo Atsumi, Takayuki Imura
  • Publication number: 20230233527
    Abstract: A novel antifungal agent for a human is provided, and a compound represented by formula (I) or (II) or a salt thereof is used as an antifungal agent for a human.
    Type: Application
    Filed: June 2, 2021
    Publication date: July 27, 2023
    Inventors: Hiroshi Shikama, Koji Higuchi, Shogo Atsumi, Takayuki Imura
  • Patent number: 11676527
    Abstract: A display driver is provided. A designation of an output timing at each of first and kth output channels is received, and first and second delay pulse signals are generated at respective output timings of the first and the kth output channels. First to kth first direction delay shift signals where a first delay pulse signal is present after a delay increased for each output channel from the first toward the kth output channel are generated. First to kth second direction delay shift signals where a second delay pulse signal is present after the delay increased for each output channel from the kth toward the first output channel are generated. One whose timing at which a delay pulse signal is present is earlier is selected from each of the direction delay shift signals corresponding to the same output channel, and set as first to kth output timing signals.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: June 13, 2023
    Assignee: LAPIS Semiconductor Co., Ltd.
    Inventor: Koji Higuchi
  • Patent number: 11670254
    Abstract: The present invention includes a common voltage generation part, a reference gamma voltage generation part, a gamma compensation part, a gradation voltage generating circuit, and a DA conversion part. The common voltage generation part generates a common voltage by amplifying a reference common voltage and applies the common voltage to a common electrode of a display panel. The reference gamma voltage generation part generates reference gamma voltages. The gamma compensation part takes in a voltage of the common electrode as a feedback common voltage from the display panel and generates compensation reference gamma voltages in which voltage values of the respective reference gamma voltages are adjusted on the basis of a difference between the feedback common voltage and the reference common voltage. The gradation voltage generating circuit generates gradation voltages on the basis of the compensation reference gamma voltages.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: June 6, 2023
    Assignee: LAPIS TECHNOLOGY CO., LTD.
    Inventor: Koji Higuchi
  • Patent number: 11574609
    Abstract: A display device and data driver are provided. The display device includes a plurality of data drivers provided for a predetermined number of data lines in a plurality of data lines. The plurality of data drivers receive the serialized video data signal from the display controller, generate a modulated data timing signal whose period changes within the one frame period, and supply a gradation voltage signal to each of the predetermined number of data lines for each of data periods based on a data timing of the modulated data timing signal, each of data periods corresponding to the data timing of the modulated data timing signal.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: February 7, 2023
    Assignee: LAPIS Semiconductor Co., Ltd.
    Inventors: Hiroshi Tsuchi, Koji Higuchi
  • Patent number: 11536268
    Abstract: An electric pump provided with a pump unit configured to discharge working oil by being rotationally driven by an electric motor includes: a drive shaft configured to transmit rotational driving force from the electric motor to a rotor of the pump unit; a rotation-detection shaft provided coaxially with the drive shaft, the rotation-detection shaft being configured to be rotated together with the rotor; and a rotation detector unit configured to detect rotation of the rotation-detection shaft. The rotation-detection shaft has: an engagement portion configured to engage with the rotor; and a detection-target portion facing the rotation detector unit, and an outer diameter of the detection-target portion is set so as to be larger than an outer diameter of the engagement portion.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: December 27, 2022
    Assignees: KYB CORPORATION, NIDEC TOSOK CORPORATION
    Inventors: Kohei Kubo, Tomoyuki Fujita, Koichiro Akatsuka, Yoshiyuki Maki, Koji Higuchi, Yutaka Hashimoto
  • Patent number: 11462963
    Abstract: An electric pump device includes a motor having a rotor and a stator portions, a pump portion and a housing. The stator portion has a stator core, and coils each having a winding portion and a crossover portion. The housing has a housing body portion having a tubular shape and extending in the axial direction, and a flange portion expanding radially outward from the outer peripheral surface of the housing body portion. The flange portion has an end surface that faces toward one side in the axial direction and is disposed in the axial direction between a first and a second virtual plane. The first and the second virtual planes pass through parts of the stator core, the winding portion, and the crossover portion located respectively closest to one and the other sides in the axial direction and expanding in a direction perpendicular to a central axis.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: October 4, 2022
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Hitoshi Sakamoto, Koji Higuchi, Kunihiro Kajita, Tomokazu Ikeda
  • Publication number: 20220306582
    Abstract: The present invention provides a novel crystal of monosodium N-(2-ethylsulfonylannino-5-trifluoronnethyl-3-pyridyl)cyclohexane carboxamide that has a high density, particularly a high bulk density and/or tapped density, and that is suitable for formulation. More specifically, provided is an anhydrous crystal of monosodium N-(2-ethylsulfonylannino-5-trifluoronnethyl-3-pyridyl)cyclohexane carboxamide.
    Type: Application
    Filed: May 15, 2020
    Publication date: September 29, 2022
    Inventor: Koji Higuchi
  • Publication number: 20220277705
    Abstract: The present invention includes a common voltage generation part, a reference gamma voltage generation part, a gamma compensation part, a gradation voltage generating circuit, and a DA conversion part. The common voltage generation part generates a common voltage by amplifying a reference common voltage and applies the common voltage to a common electrode of a display panel. The reference gamma voltage generation part generates reference gamma voltages. The gamma compensation part takes in a voltage of the common electrode as a feedback common voltage from the display panel and generates compensation reference gamma voltages in which voltage values of the respective reference gamma voltages are adjusted on the basis of a difference between the feedback common voltage and the reference common voltage. The gradation voltage generating circuit generates gradation voltages on the basis of the compensation reference gamma voltages.
    Type: Application
    Filed: February 17, 2022
    Publication date: September 1, 2022
    Applicant: LAPIS Technology Co., Ltd.
    Inventor: Koji HIGUCHI
  • Publication number: 20220114982
    Abstract: A display device and data driver are provided. The display device includes a plurality of data drivers provided for a predetermined number of data lines in a plurality of data lines. The plurality of data drivers receive the serialized video data signal from the display controller, generate a modulated data timing signal whose period changes within the one frame period, and supply a gradation voltage signal to each of the predetermined number of data lines for each of data periods based on a data timing of the modulated data timing signal, each of data periods corresponding to the data timing of the modulated data timing signal.
    Type: Application
    Filed: December 22, 2021
    Publication date: April 14, 2022
    Applicant: LAPIS Semiconductor Co., Ltd.
    Inventors: Hiroshi TSUCHI, Koji Higuchi
  • Patent number: 11286924
    Abstract: A control device is provided for controlling a rotation speed of an electric oil pump, including a motor and a pump mechanism connected to the motor, based on a command value input from a host device. The control device includes: a first calculator calculating a first duty value of current to be output to the motor based on a deviation between the command value and a rotation speed of the motor; a second calculator calculating a second duty value of current to be output to the motor based on a deviation between a current limit value of the motor and a current value of the motor; and a drive current determiner comparing the first duty value calculated by the first calculator and the second duty value calculated by the second calculator, and selecting the lower duty value as a duty value of current that drives the motor.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: March 29, 2022
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Yasuhiro Shirai, Koji Higuchi
  • Patent number: 11286927
    Abstract: The pump device includes a motor portion that includes a shaft rotating about a central axis and a pump portion that is driven by a motor portion via the shaft. The pump portion includes a pump rotor that rotates along with the shaft and a pump housing that includes an accommodation portion that accommodates the pump rotor. The pump housing includes a pump body that includes a first bearing portion that supports the shaft and a pump cover with an accommodation portion disposed between the pump cover and the pump body. The pump cover includes a flow path through which oil is discharged and suctioned, and includes a second bearing portion that rotatably supports the shaft and that communicates with the flow path. An end portion of the shaft on one side in the axial direction is disposed at the second bearing portion or inside the flow path.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: March 29, 2022
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Takamitsu Eto, Yoshiyuki Kobayashi, Koji Higuchi, Yutaka Hashimoto
  • Publication number: 20220068188
    Abstract: A display driver is provided. A designation of an output timing at each of first and kth output channels is received, and first and second delay pulse signals are generated at respective output timings of the first and the kth output channels. First to kth first direction delay shift signals where a first delay pulse signal is present after a delay increased for each output channel from the first toward the kth output channel are generated. First to kth second direction delay shift signals where a second delay pulse signal is present after the delay increased for each output channel from the kth toward the first output channel are generated. One whose timing at which a delay pulse signal is present is earlier is selected from each of the direction delay shift signals corresponding to the same output channel, and set as first to kth output timing signals.
    Type: Application
    Filed: August 17, 2021
    Publication date: March 3, 2022
    Applicant: LAPIS Semiconductor Co., Ltd.
    Inventor: Koji HIGUCHI
  • Publication number: 20220034315
    Abstract: An electric oil pump includes a motor including a motor shaft, a pump assembly including a vane pump driven by the motor to suction and discharge oil, and an inverter to drive the motor. The motor includes a rotor, a stator on a side outward from the rotor in a radial direction, and a motor housing containing the rotor and the stator. The motor housing includes a suction port through which the vane pump suctions oil from outside, and a discharge port through which the vane pump discharges oil to outside. The motor housing includes flat surface portions in a portion of an outer periphery thereof. The suction port and the discharge port are located in a first surface of side surfaces which are the flat surface portions of the motor housing and are parallel or substantially parallel to the axial direction.
    Type: Application
    Filed: September 20, 2019
    Publication date: February 3, 2022
    Inventors: Koji HIGUCHI, Yutaka HASHIMOTO, Yoshiyuki MAKI, Kohei KUBO
  • Patent number: 11217196
    Abstract: A display device and data driver are provided. The display device includes a plurality of data drivers provided for a predetermined number of data lines in a plurality of data lines. The plurality of data drivers receive the serialized video data signal from the display controller, generate a modulated data timing signal whose period changes within the one frame period, and supply a gradation voltage signal to each of the predetermined number of data lines for each of data periods based on a data timing of the modulated data timing signal, each of data periods corresponding to the data timing of the modulated data timing signal.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: January 4, 2022
    Assignee: LAPIS SEMICONDUCTOR CO., LTD.
    Inventors: Hiroshi Tsuchi, Koji Higuchi
  • Publication number: 20210348620
    Abstract: An electric pump provided with a pump unit configured to discharge working oil by being rotationally driven by an electric motor includes: a drive shaft configured to transmit rotational driving force from the electric motor to a rotor of the pump unit; a rotation-detection shaft provided coaxially with the drive shaft, the rotation-detection shaft being configured to be rotated together with the rotor; and a rotation detector unit configured to detect rotation of the rotation-detection shaft. The rotation-detection shaft has: an engagement portion configured to engage with the rotor; and a detection-target portion facing the rotation detector unit, and an outer diameter of the detection-target portion is set so as to be larger than an outer diameter of the engagement portion.
    Type: Application
    Filed: October 29, 2019
    Publication date: November 11, 2021
    Applicants: KYB Corporation, NIDEC TOSOK CORPORATION
    Inventors: Kohei KUBO, Tomoyuki FUJITA, Koichiro AKATSUKA, Yoshiyuki MAKI, Koji HIGUCHI, Yutaka HASHIMOTO
  • Patent number: 11089173
    Abstract: A scanner apparatus includes a housing including an insertion port into which a medium is inserted, a discharge port from which the medium is discharged, a conveying roller configured to convey the medium inserted from the scanning insertion port, and a scanning unit configured to scan the medium conveyed by the conveying roller. The scanning insertion port and the discharge port are provided on a +Y direction side of the housing. The housing includes a placement face extending in a ?Y direction from the scanning insertion port. The placement face, when a first end of the medium is inserted into the scanning insertion port, is able to support a portion of the medium on a second end side opposite to the first end. The first end of the medium is discharged from the discharge port in a direction on the +Y direction side or in a ?Z direction.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: August 10, 2021
    Assignee: Seiko Epson Corporation
    Inventors: Yuta Watanabe, Koji Higuchi, Naohiro Ueyama, Motofumi Otani