Patents by Inventor Kazuhisa Takahashi

Kazuhisa Takahashi 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).

  • Patent number: 11573103
    Abstract: An angle detector for detecting an amount of angular change due to the rotation of a rotary body. The angle detector is provided with a rotary body rotating around a rotation axis, a graduated scale having a plurality of graduations along the circumference of the rotary body in a rotation direction, and a plurality of sensors disposed along the circumference. Each of the sensors outputs a signal according to an amount of angular change on the basis of the plurality of graduations. The output signal includes a fundamental wave component having one of the plurality of graduations as a first period first order, and a harmonic wave component having an order that is an integer multiple of at least two times the fundamental wave component. An amount of angular displacement calculated from the output signal includes an angular error component that is due to the harmonic wave component and has an order component that is an integer multiple of the one graduation that is the first period first order.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: February 7, 2023
    Assignee: SANKYO SEISAKUSHO CO.
    Inventors: Kazuhisa Katsumata, Naoyuki Takahashi
  • Patent number: 11562683
    Abstract: An LED-driving device includes a displaying section including a plurality of displaying groups, each composed of a plurality of connected LED elements, each with a built-in light emission-controlling element, a power-supplying section configured to provide a supply of an electric power to the displaying section, switching sections configured to selectively make or break connections between the power-supplying section and those displaying groups respectively, and a controlling section configured to make a decision as to whether, when the power-supplying section is powered on, an output value from the power-supplying section is normal or not, and as a result of determining that the output value from the power-supplying section is normal, perform such a control of the connections between the power-supplying section and those displaying groups as to enable the switching sections to in turn connect supplies of the electric power from the power-supplying section to those displaying groups, respectively.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: January 24, 2023
    Assignee: TOYODA GOSEI CO., LTD.
    Inventor: Kazuhisa Takahashi
  • Patent number: 11545277
    Abstract: Bendability of a copper alloy wire is improved without decrease in an electrical conductivity of the copper alloy wire made of copper alloy containing zirconium. A cable includes: a two-core stranded wire formed by intertwining two electrical wires made of a conductor and an insulating layer covering the conductor; a filler formed around the two-core stranded wire; and a sheath formed around the filler and the electrical wire. The conductor is a copper alloy wire in which a precipitate containing the zirconium disperses, and has a crystal gain diameter that is equal to or smaller than 1 ?m, an electrical conductivity that is equal to or higher than 87% IACS, and a tensile stress that is equal to or larger than 545 MPa.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: January 3, 2023
    Assignee: Hitachi Metals, Ltd.
    Inventors: Kazuhisa Takahashi, Shohei Hata, Hiromitsu Kuroda, Toru Sumi, Kazuya Nishi, Keisuke Fujito, Takayuki Tuji
  • Publication number: 20220409594
    Abstract: CD4 mimic compounds having improved efficacy for anti-HIV treatment and more improved pharmacokinetics are provided. The compounds are represented by formula (I): wherein R1 is C2H4(OC2H4)n—OCH3 or CmH2m+1; R2 is O or NH; n is 3 to 25; and m is 4 to 22, or a salt thereof. HIV infection inhibitor compositions including the compound or a salt thereof as an active ingredient are also disclosed.
    Type: Application
    Filed: October 29, 2020
    Publication date: December 29, 2022
    Applicants: NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY, JAPAN AS REPRESENTED BY DIRECTOR-GENERAL OF NATIONAL INSTITUTE OF INFECTIONS DISEASES
    Inventors: Shuzo MATSUSHITA, Kazuhisa YOSHIMURA, Hirokazu TAMAMURA, Ami MASUDA, Kohei TAKAHASHI, Takuya KOBAYAKAWA, Shigeyoshi HARADA, Tomoyuki MIURA
  • Publication number: 20220417573
    Abstract: A viewing abandonment factor estimation device includes a memory; and a processor configured to include an estimation model for estimating a factor, the estimation model including a plurality of feature quantities measurable for viewing of a video relevant to an adaptive bit rate video distribution as inputs and the factor of the viewing abandonment in the viewing as an output.
    Type: Application
    Filed: March 31, 2020
    Publication date: December 29, 2022
    Inventors: Shoko TAKAHASHI, Kazuhisa YAMAGISHI
  • Patent number: 11477502
    Abstract: This streaming design assistance method assists in the selection of an encoding condition for increasing the watching time in adaptive bitrate video streaming by causing a computer to execute: estimating a relationship between a watching time or an abandonment rate and an application quality index according to a mathematical model on the basis of an actual value of a watching time of each of a plurality of first sessions related to video streaming and an actual value of an application quality index of each of the sessions; estimating the application quality index of each of the sessions for each of a plurality of encoding conditions related to video streaming on the basis of the plurality of encoding conditions and an actual value of time-series throughput of each of a plurality of second sessions; and applying the application quality index estimated under each of the encoding conditions to the relationship to estimate an average watching time of the plurality of second sessions.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: October 18, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Shoko Takahashi, Kazuhisa Yamagishi, Jun Okamoto
  • Patent number: 11441664
    Abstract: A bearing rotatably supported by a housing. The bearing having one radial and two axial parts all including a plurality of rolling elements. The rolling elements of the radial bearing part contact an outer peripheral surface of an output shaft. The rolling elements of one or two of the axial bearing parts contact the outer peripheral surface of the output shaft. The rolling elements of the other axial bearing part contact a first ring-shaped part fixed to the output shaft to form an output-shaft side raceway surface. The rolling elements of the radial bearing part and of the two axial bearing parts contact the surface of a second ring-shaped part disposed on the output shaft, or the rolling elements of the radial bearing part and of one of the axial bearing parts directly contacts the inner surface of the housing to form an outer raceway surface.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: September 13, 2022
    Assignee: SANKYO SEISAKUSHO CO.
    Inventors: Kazuhisa Katsumata, Naoyuki Takahashi
  • Patent number: 11434098
    Abstract: A sheet sorting device includes three or more trays including a predetermined tray detachable from an apparatus main body and a tray different from the predetermined tray, a discharge unit to discharge a sheet to any one of the three or more trays, a control unit, and a tray detection unit to detect that the predetermined tray is detached from the apparatus main body. The control unit sets a sheet discharge destination such that a sheet conforming to a preset condition is discharged to the predetermined tray through the discharge unit. Where the tray detection unit detects that the predetermined tray is detached from the apparatus main body, the control unit sets a sheet discharge destination that has been set to the predetermined tray to the tray different from the predetermined tray based on a state of each of the trays other than the detached predetermined tray.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: September 6, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yuta Hojo, Genki Takahashi, Kazuhisa Sato
  • Patent number: 11433691
    Abstract: A recording apparatus includes a medium mounting section on which a medium is to be mounted, a reverse-feeding path for reversing the medium that has been fed from the medium mounting section, a recording unit configured to perform recording onto the medium that has been reversed by the reverse-feeding path, and a reverse-discharging path for reversing the medium on which recording has been performed by the recording unit and for discharge the medium to a discharge section configured to discharge the medium, in which when viewed in a medium width direction intersecting a medium transport direction, a path section for reversing the medium in the reverse-feeding path and a path section for reversing the medium in the reverse-discharging path have portions overlapping each other in the vertical direction.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: September 6, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Kazuo Otsuka, Kazuhisa Takeda, Satoshi Kawamura, Haruna Takahashi, Keisuke Sasaki
  • Publication number: 20220246640
    Abstract: In one embodiment, a semiconductor device includes a substrate, insulating films and first films alternately stacked on the substrate, at least one of the first films including an electrode layer and a charge storage layer provided on a face of the electrode layer via a first insulator, and a semiconductor layer provided on a face of the charge storage layer via a second insulator. The device further includes at least one of a first portion including nitrogen and provided between the first insulator and the charge storage layer with an air gap provided in the first insulator, a second portion including nitrogen, provided between the charge storage layer and the second insulator, and including a portion protruding toward the charge storage layer, and a third portion including nitrogen and provided between the second insulator and the semiconductor layer with an air gap provided in the first insulator.
    Type: Application
    Filed: April 20, 2022
    Publication date: August 4, 2022
    Applicant: KIOXIA CORPORATION
    Inventors: Keiichi SAWA, Kazuhiro MATSUO, Kazuhisa MATSUDA, Hiroyuki YAMASHITA, Yuta SAITO, Shinji MORI, Masayuki TANAKA, Kenichiro TORATANI, Atsushi TAKAHASHI, Shouji HONDA
  • Patent number: 11378604
    Abstract: The present invention provides a method for detecting a positional change amount due to a movement of a moving body by reading, with a sensor, a plurality of gradations disposed along the direction of the movement.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: July 5, 2022
    Assignee: SANKYO SEISAKUSHO CO.
    Inventors: Kazuhisa Katsumata, Naoyuki Takahashi
  • Patent number: 11370633
    Abstract: A sheet sorting apparatus includes a first tray detachable from an apparatus main body, a second tray arranged below the first tray, a discharge unit to discharge a sheet to the first or second tray, a tray detecting unit to detect that the first tray is detached from the apparatus main body, a full stack detecting unit to detect a fully stacked condition of the first tray, and a control unit to control the discharge unit. In a case where the tray detecting unit detects that the first tray is detached from the apparatus main body, the control unit controls the discharge unit not to discharge a sheet to the second tray when a number of sheets discharged to the second tray reaches a threshold number of sheets, even though the full stack detecting unit does not detect the fully stacked condition.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: June 28, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuhisa Sato, Genki Takahashi
  • Patent number: 11366218
    Abstract: A vehicle sensor unit includes a millimeter wave radar device, an infrared sensor that is arranged at a position adjacent to the millimeter wave radar device, and a cover having a first cover portion and a second cover portion. The first cover portion is located in front of the millimeter wave radar device in a transmission direction of the millimeter waves to conceal the millimeter wave radar device and has millimeter wave transparency. The second cover portion is located in front of the infrared sensor in a transmission direction of the infrared light to conceal the infrared sensor and has infrared light transparency. The millimeter wave radar device and the infrared sensor are attached to the cover so that the whole vehicle sensor unit is configured as a single unit.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: June 21, 2022
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Kazuhisa Takahashi, Koji Sakurai, Akihiro Misawa, Tadaoki Ichikawa, Hideto Maeda, Koji Okumura, Yasuhito Takeuchi, Shintaro Okawa, Hiroaki Ando, Yoshinori Yoshizawa
  • Publication number: 20220057595
    Abstract: A lens barrel including a space-saving position adjustment function. The lens barrel constitutes a part of a projection optical system including a catoptric system including at least one reflecting mirror and that uses a dioptric system including multiple lens groups. At least one of the multiple lens groups includes a non-circular lens. The lens barrel includes a movable part that has an inner wall surface holding the non-circular lens and that is able to move the lens group that includes the non-circular lens in an optical axis direction of the non-circular lens, a holding part that is disposed on an outer circumferential side of the movable part and that holds the movable part and a shaft part formed in the optical axis direction, and a curved part that is disposed on an outer circumferential side of the holding part.
    Type: Application
    Filed: April 9, 2020
    Publication date: February 24, 2022
    Applicant: RICOH INDUSTRIAL SOLUTIONS INC.
    Inventor: Kazuhisa TAKAHASHI
  • Publication number: 20220034672
    Abstract: A vehicle position guidance system includes a terminal position measurement section, a vehicle position measurement section, a calculator, and a guide. The terminal position measurement section measures a position of a terminal carried by a user. The vehicle position measurement section measures a position of a parked vehicle. The calculator obtains a route using position information related to the terminal and position information related to the parked vehicle. The guide assists the user in entering the vehicle by selectively using a first guidance and a second guidance depending on whether a distance is long or short between the terminal and the parked vehicle on the route. The first guidance provides guidance to the position of the parked vehicle using the terminal. The second guidance provides guidance to the position of the parked vehicle through a notification using a vehicle on-board device of the parked vehicle.
    Type: Application
    Filed: September 10, 2019
    Publication date: February 3, 2022
    Inventors: Kazuhisa TAKAHASHI, Tadaoki ICHIKAWA, Akihiro MISAWA, Shinji OGUCHI, Bunpei MORITA, Hitoshi HORIBE, Takeshi KONDO, Tasuku ISHIHARA
  • Patent number: 11199610
    Abstract: An onboard sensor cover includes a cover body that includes front and rear bases and a decorative layer. The front base is made of a transparent plastic material that permits passage of an infrared ray and a millimeter wave and includes a rear surface in the transmission directions of the infrared ray and the millimeter wave that is configured by a first uneven surface. The rear base is made of a plastic material that permits passage of the infrared ray and the millimeter wave and includes a front surface in the transmission directions that is configured by a second uneven surface. The decorative layer is made of a material that reflects visible light and permits passage of the infrared ray and the millimeter wave and is in contact with the first and second uneven surfaces. The front and rear bases are made of the same type of plastic material.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: December 14, 2021
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Kazuhisa Takahashi, Masashi Otoyo, Akihiro Misawa, Hitoshi Uchida, Yasushi Nimi, Shintaro Okawa
  • Publication number: 20210241681
    Abstract: An LED-driving device includes a displaying section including a plurality of displaying groups, each composed of a plurality of connected LED elements, each with a built-in light emission-controlling element, a power-supplying section configured to provide a supply of an electric power to the displaying section, switching sections configured to selectively make or break connections between the power-supplying section and those displaying groups respectively, and a controlling section configured to make a decision as to whether, when the power-supplying section is powered on, an output value from the power-supplying section is normal or not, and as a result of determining that the output value from the power-supplying section is normal, perform such a control of the connections between the power-supplying section and those displaying groups as to enable the switching sections to in turn connect supplies of the electric power from the power-supplying section to those displaying groups, respectively.
    Type: Application
    Filed: January 22, 2021
    Publication date: August 5, 2021
    Inventor: Kazuhisa TAKAHASHI
  • Publication number: 20210080949
    Abstract: An authority transfer device is used for a vehicle having an autonomous driving mode in which driving operation is autonomously performed for a driver and a manual driving mode in which driving operation is manually performed by the driver using at least a steering wheel. The authority transfer device includes a controller configured, when switching from the autonomous driving mode to the manual driving mode, to transfer a driving authority of the vehicle to the driver on condition that at least a grip of the driver on the steering wheel is detected. The controller notifies the driver that the driving authority will be transferred before the driving authority is transferred.
    Type: Application
    Filed: March 19, 2019
    Publication date: March 18, 2021
    Inventors: Shinichi TAKEDA, Bunpei MORITA, Yoshiki NAKAMURA, Kunihiro NOKURA, Kazuhisa TAKAHASHI, Naoto KURIYAMA, Takafumi NAKANISHI
  • Publication number: 20210016719
    Abstract: A display panel is employed in a vehicle equipped with an external situation recognizing device that is configured to receive electromagnetic waves from outside to recognize an external situation. The external situation recognizing device is located at an end in a front-rear direction of the vehicle. The display panel is provided at the end of the vehicle and extends in a direction intersecting with the front-rear direction of the vehicle. The display panel includes a display unit and a cover unit that is closer to an outside of the vehicle than the external situation recognizing device and is located at a position that corresponds to the external situation recognizing device. The cover unit is configured to allow the external situation recognizing device to receive the electromagnetic waves from outside through the cover unit. The display unit is located to be adjacent to the cover unit.
    Type: Application
    Filed: July 2, 2020
    Publication date: January 21, 2021
    Inventor: Kazuhisa Takahashi
  • Publication number: 20200297776
    Abstract: The purpose of the present invention is to provide a medicament which is useful for prevention or treatment of muscle injury. The present invention relates to a novel medical use of an extract from inflamed tissues inoculated with vaccinia virus, and more particularly, it relates to a preventing or therapeutic agent for muscle injury containing the extract as an active ingredient. The preventing or therapeutic agent for muscle injury of the present invention containing the extract as an active ingredient is extremely useful as a highly effective and highly safe medicament.
    Type: Application
    Filed: June 8, 2020
    Publication date: September 24, 2020
    Applicants: NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY, NIPPON ZOKI PHARMACEUTICAL CO., LTD.
    Inventors: Kazuhide INAGE, Kazuhisa TAKAHASHI, Seiji OHTORI, Sumihisa ORITA