Patents by Inventor Masahiro Maeda

Masahiro Maeda 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: 20240152107
    Abstract: A master unit that transmits a signal with a device via an I/O unit comprises: a connector module having a first connector and a power source unit; and a signal processing module having a branch terminal and a master processing circuit. The connector module and the signal processing module further comprise connection terminal units that connect the first connector and the power source unit with the master processing circuit.
    Type: Application
    Filed: March 11, 2022
    Publication date: May 9, 2024
    Applicant: FANUC CORPORATION
    Inventors: Masahiro SAEKI, Shinichi KUWAHATA, Asunaro MAEDA
  • Publication number: 20240142900
    Abstract: An electrophotographic belt comprising: a substrate and an elastic layer on an outer peripheral surface of the substrate, the elastic layer comprising a cured rubber product including a cured silicone rubber product, an elastic modulus of the elastic layer at a temperature of 23° C. being 1.00 MPa or less, wherein when 1 g sample collected from the elastic layer is immersed in 50 ml of toluene at a temperature of 23° C. for 24 hours in accordance with Japanese Industrial Standard (JIS) K6258:2016, an extract of 3% by mass to 20% by mass with respect to the sample is extracted, and a burning time of the elastic layer in a burn test in accordance with UL94 VTM standard is 30 seconds or less.
    Type: Application
    Filed: October 4, 2023
    Publication date: May 2, 2024
    Inventors: YUSUKE BABA, TAKESHI SUZUKI, MATSUTAKA MAEDA, ATSUSHI HORI, MASAHIRO TAKENAGA, HARUKI MORI, SHOTA INOUE
  • Publication number: 20240134500
    Abstract: A display apparatus includes a touch panel functioning as a receiving unit receiving an operation and a display section, and a control section controlling the display section to display a display window including a first display area for displaying a bundle of images of reduced images of respective pages contained in a document file and a second display area for displaying a page image of part of the pages contained in the document file, when an instruction to add a page is received by the touch panel, the control section displays a page image of an added additional page in the second display area and displays a bundle of thumbnail images containing a reduced image of the page image of the additional page in the first display area.
    Type: Application
    Filed: October 23, 2023
    Publication date: April 25, 2024
    Inventors: Yusuke YAMADA, Masahiro MAEDA, Naoto KURODA
  • Publication number: 20240101572
    Abstract: The present invention provides a compound having a PLD inhibitory activity. The present invention provides a compound of the following structural formula, and the like, or a pharmaceutically acceptable salt thereof. wherein each symbol is as defined in the description.
    Type: Application
    Filed: June 15, 2023
    Publication date: March 28, 2024
    Inventors: Masahiro YOKOTA, Tetsudo KAYA, Makoto TORIZUKA, Yasuaki NAKAYAMA, Taku IKENOGAMI, Katsuya MAEDA, Kazuki OTAKE, Kentaro SAKURAI
  • Patent number: 11938558
    Abstract: A double-action friction stir joining system, which includes a double-action friction stir joining device, a cleaning mechanism having a dressing member, a robot, and a control device. The double-action friction stir joining device includes a first rotary driver configured to rotate a pin member and a shoulder member, and a tool driver configured to reciprocate the pin member and the shoulder member. The control device is adapted to (A) operate the tool driver so that the pin member is thrusted into the shoulder member, (B) operate the first rotary driver so that the shoulder member rotates, and (C) operate the robot so that the robot holds the double-action friction stir joining device and the dressing member contacts an inner circumferential surface of the shoulder member.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: March 26, 2024
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Masahiro Miyake, Kengo Maeda, Masato Fukushima, Yohei Ishido
  • Patent number: 11939744
    Abstract: A display system includes: an image acquisition unit that acquires each of a first image of a work site imaged by a first camera and a second image of the work site imaged by a second camera; a viewpoint position calculation unit that calculates a viewpoint position of worker; a luminance adjustment unit that adjusts luminance of at least one of the first image and the second image based on the viewpoint position; and a display control unit that combines the first image and the second image having the luminance adjusted and causes a display device to display the combined image.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: March 26, 2024
    Assignees: Komatsu Ltd., Osaka University
    Inventors: Youjirou Ohbatake, Taro Maeda, Masahiro Furukawa, Daisuke Kondo, Masataka Kurokawa
  • Patent number: 11936526
    Abstract: The network device information management apparatus includes: a log data acquisition unit configured to acquire log data from each of the plurality of devices, the log data including information about components of the plurality of devices; and an inventory information estimation unit configured to exclude a common portion of the log data before and after registration of the component to extract a component configuration indicating information about the component newly registered to the device, compare the extracted component configuration with the component configuration extracted from a component registered to another device, estimate the common portion as inventory information, and store the estimated inventory information in storage means.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: March 19, 2024
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Masahiro Yokota, Masatoshi Namiki, Yuji Minato, Masaaki Inami, Daisaku Shimazaki, Hideki Maeda
  • Patent number: 11873039
    Abstract: A motor control device includes a third harmonic calculation unit configured to calculate a first third harmonic on a basis of an average value between a voltage command value of a maximum phase with a maximum duty ratio and a voltage command value of a minimum phase with a minimum duty ratio among three-phase voltage command values; an amplitude calculation unit configured to calculate an amplitude of the three-phase voltage command values; a third harmonic conversion unit configured to convert the first third harmonic into a second third harmonic on a basis of the first third harmonic and the amplitude; a correction unit configured to correct the three-phase voltage command values by subtracting the second third harmonic from the three-phase voltage command values.
    Type: Grant
    Filed: October 2, 2020
    Date of Patent: January 16, 2024
    Assignee: NSK LTD.
    Inventors: Yasutoshi Miki, Masahiro Maeda
  • Patent number: 11827291
    Abstract: A motor control device includes a third harmonic calculation unit configured to calculate a first third harmonic on a basis of an average value between a voltage command value of a maximum phase with a maximum duty ratio and a voltage command value of a minimum phase with a minimum duty ratio among three-phase voltage command values; an amplitude calculation unit configured to calculate an amplitude of the three-phase voltage command values; a third harmonic conversion unit configured to convert the first third harmonic into a second third harmonic on a basis of the first third harmonic and the amplitude; a correction unit configured to correct the three-phase voltage command values by subtracting the second third harmonic from the three-phase voltage command values.
    Type: Grant
    Filed: October 2, 2020
    Date of Patent: November 28, 2023
    Assignee: NSK LTD.
    Inventors: Yasutoshi Miki, Masahiro Maeda
  • Publication number: 20230101718
    Abstract: A three-dimensional shape measurement system includes an image pickup unit, a storage device that stores image pickup conditions required in imaging for measurement as condition information for each of a plurality of combinations of the material and surface property of an object, and a measurement controller that controls driving of the image pickup unit. The measurement controller identifies the material and surface property of the object, specifies image pickup conditions corresponding to the identified material and surface property of the object based on the condition information, causes the image pickup unit to perform the imaging for measurement under the specified image pickup conditions, and measures the shape of the object based on the obtained image for measurement.
    Type: Application
    Filed: September 26, 2022
    Publication date: March 30, 2023
    Inventors: Shigemoto HIROTA, Akihito KATAOKA, Keigo ASANO, Masahiro MAEDA
  • Patent number: 11603888
    Abstract: A torsion damper is configured to be disposed inside a coil spring. The torsion damper includes a body and a helical groove. The body is made of resin. Besides, the body has a columnar shape. The helical groove is provided on the outer peripheral surface of the body.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: March 14, 2023
    Assignee: EXEDY CORPORATION
    Inventors: Hiroshi Uehara, Yoshiyuki Hagihara, Masahiro Maeda
  • Patent number: 11499603
    Abstract: A torque limiter, fixed to a flywheel including an annular portion to which knock pins each including a trunk portion are fixed, is disclosed. The torque limiter includes a first plate, a second plate axially opposed to the first plate, a friction disc disposed between the first and second plates, a pressing member, and a third plate. The pressing member presses the second plate onto the friction disc. The third plate holds the pressing member together with the second plate therebetween. The third plate includes knock pin through holes such that the knock pin are fitted therein. The third plate is attached at an attachment surface thereof to the flywheel. A length between a surface of the pressing member, facing an interior of an accommodation portion of the flywheel, and the attachment surface of the third plate is shorter than a length of the trunk portion of each knock pin.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: November 15, 2022
    Assignee: EXEDY CORPORATION
    Inventors: Hiroshi Uehara, Yoshiyuki Hagihara, Masahiro Maeda
  • Patent number: 11486463
    Abstract: A power transmission device includes a flywheel and a torque limiter unit fixed to the flywheel. The flywheel includes an annular portion and an accommodation portion provided on an inner peripheral side of the annular portion to accommodate the torque limiter unit. The torque limiter unit includes a first plate, a second plate, a friction disc disposed between the first and second plates, and a pressing member. A torque is inputted to the first plate. The first plate includes first engaging portions. The second plate is axially opposed to and non-rotatable relative to the first plate. The second plate includes second engaging portions engaged with the first engaging portions. The pressing member presses the second plate onto the friction disc. The annular portion of the flywheel is provided with recesses on the inner peripheral surface thereof. The recesses are recessed radially outward in opposed positions to the second engaging portions.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: November 1, 2022
    Assignee: EXEDY CORPORATION
    Inventors: Hiroshi Uehara, Yoshiyuki Hagihara, Masahiro Maeda
  • Publication number: 20220306186
    Abstract: A motor control device includes a third harmonic calculation unit (60) configured to calculate a first third harmonic on a basis of an average value between a voltage command value of a maximum phase with a maximum duty ratio and a voltage command value of a minimum phase with a minimum duty ratio among three-phase voltage command values; an amplitude calculation unit (61) configured to calculate an amplitude of the three-phase voltage command values; a third harmonic conversion unit (62, 62?, 63, 65-67) configured to convert the first third harmonic into a second third harmonic on a basis of the first third harmonic and the amplitude; a correction unit (64) configured to correct the three-phase voltage command values by subtracting the second third harmonic from the three-phase voltage command values.
    Type: Application
    Filed: October 2, 2020
    Publication date: September 29, 2022
    Applicant: NSK LTD.
    Inventors: Yasutoshi MIKI, Masahiro MAEDA
  • Patent number: 11454298
    Abstract: A torque limiter fixed to a flywheel including an annular portion and an accommodation portion is disclosed. The torque limiter includes a first plate, a second plate axially opposed to the first plate, a friction disc disposed between the first and second plates, a pressing member, and a third plate. A torque is inputted to the first plate. The pressing member presses the second plate onto the friction disc. The third plate supports the pressing member with the second plate therebetween while the pressing member is compressed. The third plate includes a support portion supporting the pressing member and a tubular portion provided in an outer peripheral part of the support portion. The tubular portion covers an outer peripheral surface of the friction disc. The tubular portion axially extends and is opposed to an inner peripheral surface of the annular portion of the flywheel, and includes first openings circumferentially aligned.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: September 27, 2022
    Assignee: EXEDY CORPORATION
    Inventors: Hiroshi Uehara, Yoshiyuki Hagihara, Masahiro Maeda
  • Patent number: 11383546
    Abstract: A sheet processing apparatus includes a processing tray to place the sheet, a load tray provided on a downstream side of the processing tray in a transport direction, neat alignment plates provided outside a main body housing to shift in a width direction orthogonal to the transport direction and to align opposite sides of the sheet, a sheet support surface provided in a different position adjacent to the processing tray to support a sheet inserted from a manual feed opening, a binding processing apparatus to perform binding processing on sheets placed on the sheet support surface, a regulation surface to regulate a side edge of the sheet located at a side of the load tray, and a width-direction drive mechanism to shift the neat alignment plates between an alignment position aligning a sheet on the load tray in the width direction and a retract position different from the alignment position.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: July 12, 2022
    Assignee: CANON FINETECH NISCA INC.
    Inventors: Daiki Komiyama, Akihiko Tsukui, Masahiro Maeda
  • Publication number: 20220021344
    Abstract: A high-frequency amplifier includes: a carrier amplifier which amplifies a first signal; a peak amplifier which amplifies a second signal; a first matching circuit which is connected to the output terminal of the carrier amplifier; a second matching circuit which is connected to the output terminal of the peak amplifier; a first transmission line which is connected between the first matching circuit and the second matching circuit, and has an electric length that is less than ¼ of the wavelength of the center frequency of a predetermined frequency band. The phase rotation by a series inductor which is included in each of the first matching circuit and the second matching circuit and has one end that has been grounded is opposite to the phase rotation by the first transmission line.
    Type: Application
    Filed: September 28, 2021
    Publication date: January 20, 2022
    Inventors: Masahiro MAEDA, Masatoshi KAMITANI, Shingo MATSUDA
  • Patent number: 11192579
    Abstract: An actuator control device includes: a turning control value calculation unit configured to calculate a turning control value that controls an actuator configured to turn a steered wheel on a basis of an operation state amount by a driver with respect to a steering mechanism of the vehicle; a target value setting unit configured to set a target value of a state amount indicating a traveling direction of the vehicle on a basis of a surrounding environment of the vehicle; a target value control unit configured to control the actuator by integral control so that actual the state amount approaches the target value; and an integral suppression unit configured to suppress an increase in a first integral value calculated in the integral control according to a second integral value calculated according to the operation state amount.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: December 7, 2021
    Assignee: NSK LTD.
    Inventors: Tadashi Ishida, Masahiro Maeda, Atsushi Kojima
  • Publication number: 20210245805
    Abstract: An actuator control device includes: a turning control value calculation unit configured to calculate a turning control value that controls an actuator configured to turn a steered wheel on a basis of an operation state amount by a driver with respect to a steering mechanism of the vehicle; a target value setting unit configured to set a target value of a state amount indicating a traveling direction of the vehicle on a basis of a surrounding environment of the vehicle; a target value control unit configured to control the actuator by integral control so that actual the state amount approaches the target value; and an integral suppression unit configured to suppress an increase in a first integral value calculated in the integral control according to a second integral value calculated according to the operation state amount.
    Type: Application
    Filed: January 10, 2020
    Publication date: August 12, 2021
    Applicant: NSK LTD.
    Inventors: Tadashi ISHIDA, Masahiro MAEDA, Atsushi KOJIMA
  • Patent number: 11084528
    Abstract: An electric power steering apparatus includes: a current command value determining section that determines a current command value based on steering torque and vehicle speed; a vibration extracting filter that extracts a first vibration component having a predetermined amplitude and first predetermined frequency range depending on motor angular velocity; a vibration extracting section that extracts a second vibration component having a second predetermined frequency range depending on motor angular acceleration; a first compensation value calculating section that calculates a first vibration suppression compensation value based on the first vibration component extracted by the vibration extracting filter; and a second compensation value calculating section that calculates a second vibration suppression compensation value based on the second vibration component; and suppresses vibrations of the motor by feeding back the first vibration suppression compensation value and the second vibration suppression compens
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: August 10, 2021
    Assignee: NSK LTD.
    Inventors: Takayoshi Sugawara, Yousuke Imamura, Masahiro Maeda