Patents by Inventor Toru Matsuyama

Toru Matsuyama 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: 10899137
    Abstract: An electronic apparatus includes consumables configured to be restored by replacement or refill, a notification section configured to make a notification of alert information based on remaining amount information of the consumables, a remaining amount information obtaining section configured to obtain the remaining amount information of the consumables, a determination information obtaining section configured to obtain determination information for determining a state of replacement or refill of the consumables, and a learning section configured to perform machine learning of the notification of the alert information based on a learning model obtained by associating the remaining amount information with the determination information.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: January 26, 2021
    Assignee: Seiko Epson Corporation
    Inventors: Tomonori Yamada, Toru Matsuyama
  • Patent number: 10894404
    Abstract: In a print head control circuit, a first diagnostic signal wiring group includes first diagnostic signal propagation wiring that propagates a first diagnostic signal, and second diagnostic signal propagation wiring that propagates a second diagnostic signal, the first drive signal wiring group and the second drive signal wiring group propagate a first drive signal and a second drive signal that cause liquid to be discharged, in a first cable, the first diagnostic signal wiring group is provided between the first drive signal wiring group and the second drive signal wiring group.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: January 19, 2021
    Assignee: Seiko Epson Corporation
    Inventors: Tomonori Yamada, Toru Matsuyama
  • Patent number: 10894401
    Abstract: A liquid ejecting apparatus includes a drive signal generation circuit generating a drive waveform signal, a liquid ejecting head including a vibration plate, a drive element displacing the vibration plate by being supplied with the drive waveform signal, a cavity that is filled with a liquid and of which an internal pressure changes by the displacement of the vibration plate, and a nozzle that communicates with the cavity and that ejects the liquid by the change in internal pressure of the cavity, and an ejecting malfunction detection circuit that detects, specifies a cause of the ejecting malfunction based on the residual vibration signal. The ejecting malfunction detection circuit includes a detection unit detecting the residual vibration signal, an obtaining unit obtaining information indicating an ejecting state of the liquid ejected from the nozzle, and a learning unit machine learning a relationship between the residual vibration signal and the ejecting state.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: January 19, 2021
    Assignee: Seiko Epson Corporation
    Inventors: Masashi Kamiyanagi, Toru Matsuyama
  • Publication number: 20200369044
    Abstract: There is provided a printing apparatus including: a transport section that transports a medium in a first direction; a printing section that makes a liquid adhere to the medium transported by the transport section; a heating section provided downstream of the printing section in the first direction, in which the heating section includes a first heater that extends to a first range in a second direction intersecting the first direction and a second range positioned on one side in the second direction from the first range and heats the medium, and a second heater that extends to the first range and a third range positioned on the other side in the second direction from the first range, and heats the medium, and heats the medium by the first heater and the second heater when the printing section made the liquid adhere to the first range on the medium.
    Type: Application
    Filed: May 21, 2020
    Publication date: November 26, 2020
    Inventors: Masaaki FUJIMORI, Hironori ENDO, Toshiyuki SUZUKI, Toru MATSUYAMA, Ryo HIRABAYASHI, Nobuaki ITO
  • Publication number: 20200374983
    Abstract: There is provide a printing apparatus including: a transport section that transports a medium in a first direction; a discharge section that discharges a liquid to the medium transported by the transport section; a signal generation section that outputs a first pulse signal; and a heating section that is provided downstream of the discharge section in the first direction, includes a first heater that generates heat in accordance with a first pulse included in the first pulse signal, and heats the medium, in which the signal generation section adjusts the first pulse in accordance with a heating amount for heating the medium by the heating section.
    Type: Application
    Filed: May 21, 2020
    Publication date: November 26, 2020
    Inventors: Masaaki FUJIMORI, Hironori ENDO, Toshiyuki SUZUKI, Toru MATSUYAMA, Ryo HIRABAYASHI, Nobuaki ITO
  • Publication number: 20200369045
    Abstract: There is provided a printing apparatus including: a transport section that transports a medium in a first direction; a discharge section that discharges a liquid to the medium transported by the transport section; and a heater that is provided downstream of the discharge section in the first direction, and heats the medium, in which the heater includes a ceramic substrate, a heat generating resistor provided on the ceramic substrate, and a protection section that protects the heat generating resistor.
    Type: Application
    Filed: May 21, 2020
    Publication date: November 26, 2020
    Inventors: Masaaki FUJIMORI, Hironori ENDO, Toshiyuki SUZUKI, Toru MATSUYAMA, Ryo HIRABAYASHI, Nobuaki ITO
  • Patent number: 10822769
    Abstract: An earthmoving machine includes a work implement, a distance calculation unit, and a hydraulic cylinder control unit. The work implement includes a boom, an arm, and a bucket. The distance calculation unit calculates a distance between a monitoring point in the bucket and design topography representing an aimed shape of a land grading target. The hydraulic cylinder control unit outputs a command signal for lowering the boom when the distance between the monitoring point and the design topography is equal to or smaller than a prescribed value and when the bucket is expected to move in such a direction that the monitoring point moves away from the design topography as a result of an operation of the arm.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: November 3, 2020
    Assignee: KOMATSU LTD.
    Inventors: Yuki Shimano, Toru Matsuyama, Takuya Sonoda
  • Patent number: 10814646
    Abstract: In a liquid discharge apparatus, a print head includes a supply port to which liquid is supplied; a nozzle plate that includes a nozzle for discharging the liquid; a substrate that includes first side, a second side, a first surface, and a second surface which is different from the first surface; a connector that is provided on the first surface; and an integrated circuit that is provided on the first surface, the substrate is provided between the nozzle plate and the supply port, the connector is provided along the first side, the integrated circuit is provided in a place which is not adjacent to the connector, and a shortest distance between the supply port and the first surface is longer than a shortest distance between the supply port and the second surface.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: October 27, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Yusuke Matsumoto, Toru Matsuyama
  • Patent number: 10800172
    Abstract: There is provided a liquid ejecting apparatus including: a first switching circuit is switched so that a first voltage waveform is supplied to a first piezoelectric element corresponding to a first nozzle which ejects the liquid, a second switching circuit is switched so that a second voltage waveform is supplied to a second piezoelectric element corresponding to a second nozzle which does not eject the liquid, and a third switching circuit is switched so that none of a plurality of voltage waveforms is supplied to a third piezoelectric element corresponding to the third nozzle which does not eject the liquid.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: October 13, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Motonori Chikamoto, Toru Matsuyama
  • Patent number: 10800163
    Abstract: A liquid ejecting apparatus includes: a support that extends in a second direction intersecting a first direction in which a printing medium is transported; a carriage that is connected to the support and is movable in the second direction; an ejector that is provided in the carriage and ejects a liquid to the printing medium; and a detector that is provided in the carriage and detects a change in posture of the carriage. In a case where the liquid is not ejected from the ejector, the carriage moves in the second direction, and the detector detects the change in posture of the carriage. The detector outputs posture-change amount information based on the change in posture of the carriage. Ejection of the liquid is corrected based on the posture-change amount information.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: October 13, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Tomonori Yamada, Toru Matsuyama
  • Patent number: 10787788
    Abstract: A work machine according to an aspect includes: a dipper stick; a boom; a cylinder for driving the boom; an operation apparatus for operating the dipper stick; and a controller for performing intervention control by using the boom in accordance with an operation command issued from the operation apparatus to achieve land grading. The controller determines whether or not the operation command from the operation apparatus indicates an amount greater than or equal to a predetermined amount, and corrects a speed of the cylinder when the operation command from the operation apparatus indicates an amount greater than or equal to the predetermined amount.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: September 29, 2020
    Assignee: KOMATSU LTD.
    Inventors: Takeo Yamada, Ayumi Ohkuma, Toru Matsuyama
  • Publication number: 20200269593
    Abstract: The ink server includes at least one ink storage unit that stores ink to be supplied to a printer, a switching unit that switches whether to supply the ink stored in the at least one ink storage unit to the printer, a detection unit that detects a state of the ink stored in the at least one ink storage unit, a controller that controls the switching unit and the detection unit, and a power supply circuit that supplies a power supply voltage to the switching unit, the detection unit, and the controller.
    Type: Application
    Filed: February 20, 2020
    Publication date: August 27, 2020
    Inventors: Toshiyuki NISHIYAMA, Shohei YAMADA, Toru MATSUYAMA
  • Patent number: 10682625
    Abstract: Provided is an absorbent resin composition which has both improved absorbency under load and improved liquid permeability between swollen gels, which is free from blocking or discoloration during storage, and which does not generate any odors. The present invention is an absorbent resin composition containing: a crosslinked polymer (A) including, as an essential structural units, a crosslinking agent (b) and a water-soluble vinyl monomer (a1) and/or a vinyl monomer (a2) which produces the water-soluble vinyl monomer (a1) through hydrolysis; and a cationic organic polymer (c) having a number average molecular weight of 1,000,000 or higher, or a cationic organic polymer (B) that has a cationic group and that is obtained through polymerization of a monomer composition including, as essential components, a cationic monomer having an amino group (am) and/or a cationic monomer having a salt of an amino group (am).
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: June 16, 2020
    Assignee: SDP Global Co., Ltd.
    Inventors: Toru Miyajima, Yusuke Matsubara, Taichi Matsuyama, Shoichi Hirooka
  • Patent number: 10673533
    Abstract: An optical transmission apparatus and an optical transmission method are provided. In particular, an optical transmission apparatus is disclosed as being configured to add strength to a signal. The signal corresponds to a value that an input signal has, and the strength added to the signal is strength according to the value. The optical transmission apparatus is further configured to give delays to a plurality of signals that includes the signal and to convert the sum of the plurality of signals into an optical signal.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: June 2, 2020
    Assignee: FUJITSU OPTICAL COMPONENTS LIMITED
    Inventors: Ryou Okabe, Toru Matsuyama
  • Publication number: 20200164632
    Abstract: A liquid ejecting apparatus includes a drive signal generation circuit generating a drive waveform signal, a liquid ejecting head including a vibration plate, a drive element displacing the vibration plate by being supplied with the drive waveform signal, a cavity that is filled with a liquid and of which an internal pressure changes by the displacement of the vibration plate, and a nozzle that communicates with the cavity and that ejects the liquid by the change in internal pressure of the cavity, and an ejecting malfunction detection circuit that detects, specifies a cause of the ejecting malfunction based on the residual vibration signal. The ejecting malfunction detection circuit includes a detection unit detecting the residual vibration signal, an obtaining unit obtaining information indicating an ejecting state of the liquid ejected from the nozzle, and a learning unit machine learning a relationship between the residual vibration signal and the ejecting state.
    Type: Application
    Filed: November 20, 2019
    Publication date: May 28, 2020
    Inventors: Masashi KAMIYANAGI, Toru MATSUYAMA
  • Publication number: 20200169452
    Abstract: An electronic apparatus includes a power source circuit configured to supply power source to a plurality of operation units, a notification section configured to make a notification of alert information based on temperature information of the power source circuit, a power source circuit temperature information obtaining section configured to obtain the temperature information of the power source circuit, a determination information obtaining section configured to obtain determination information for determining a state of the apparatus, and a learning section configured to perform machine learning of the notification of the alert information based on a learning model obtained by associating the temperature information with the determination information.
    Type: Application
    Filed: November 20, 2019
    Publication date: May 28, 2020
    Inventors: Tomonori YAMADA, Toru MATSUYAMA
  • Publication number: 20200164656
    Abstract: An electronic apparatus includes consumables configured to be restored by replacement or refill, a notification section configured to make a notification of alert information based on remaining amount information of the consumables, a remaining amount information obtaining section configured to obtain the remaining amount information of the consumables, a determination information obtaining section configured to obtain determination information for determining a state of replacement or refill of the consumables, and a learning section configured to perform machine learning of the notification of the alert information based on a learning model obtained by associating the remaining amount information with the determination information.
    Type: Application
    Filed: November 20, 2019
    Publication date: May 28, 2020
    Inventors: Tomonori YAMADA, Toru MATSUYAMA
  • Patent number: 10661559
    Abstract: A liquid discharge apparatus includes a liquid discharge head configured to discharge a liquid, a first wire and a second wire to which a first drive signal and a second drive signal for driving the liquid discharge head is respectively supplied, and a single relay substrate configured to relay the first drive signal and the second drive signal from the first wire and the second wire to the liquid discharge head. The single relay substrate includes a first connector configured to be connected to the first wire, a second connector configured to be connected to the second wire, and a relay connector configured to be connected to a head-side connector of the liquid discharge head. The relay connector outputs, to the head-side connector, the first drive signal supplied from the first wire to the first connector, and the second drive signal supplied from the second wire to the second connector.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: May 26, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Hidekazu Uematsu, Toru Matsuyama
  • Patent number: 10639759
    Abstract: There are provided a load state diagnosis device and a load state diagnosis method for a servomotor. A PLC diagnoses the load state of the servomotor which rotationally drives a rotary tool in a predetermined rotational drive direction at a constant speed. The PLC includes a detection part that detects the rotational direction of a torque acting on the servomotor, a determination part that determines whether the rotational direction of the torque detected by the detection part is consistent with the predetermined rotational drive direction, and a load index output part that outputs a load index indicating the load state of the servomotor based on a determination result of the determination part.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: May 5, 2020
    Assignee: OMRON Corporation
    Inventors: Reiko Hattori, Takayoshi Matsuyama, Toru Fujii
  • Publication number: 20200099246
    Abstract: A mobile device which includes a drive element, a processor which controls the drive element, a first battery which supplies power to the drive element, a second battery that supplies power to the drive element and is attachable and detachable, and power wiring which electrically couples the processor, the first battery, and the second battery to each other, in which a wiring length between the processor and the first battery in the power wiring is shorter than a wiring length between the processor and the second battery in the power wiring, and a wiring length between the second battery and the first battery in the power wiring is shorter than a wiring length between the second battery and the processor in the power wiring.
    Type: Application
    Filed: September 19, 2019
    Publication date: March 26, 2020
    Inventors: Ryohei HORITA, Junya YADA, Tomonori YAMADA, Toru MATSUYAMA