Patents by Inventor Tomoya Adachi

Tomoya Adachi 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: 20220190979
    Abstract: A wireless communication device includes a receiver configured to receive first information to designate a first bandwidth narrower than a maximum available bandwidth extended based on a predetermined channel, and to receive second information to designate a plurality of channels including at least one channel different from a channel in the first bandwidth among a plurality of channels in the maximum bandwidth; and controlling circuitry configured to specify a plurality of channels for use in communication based on at least the second information.
    Type: Application
    Filed: March 7, 2022
    Publication date: June 16, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomoko ADACHI, Ryoko MATSUO, Tomoya TANDAI
  • Publication number: 20220191741
    Abstract: According to one embodiment, a wireless communication device includes a transmitter configured to transmit first information to designate a first bandwidth narrower than a maximum available bandwidth extended based on a predetermined channel, and transmit second information to designate a plurality of channels including at least one channel different from a channel used in the first bandwidth among a plurality of channels in the maximum bandwidth: and controlling circuitry configured to control the transmitter.
    Type: Application
    Filed: March 8, 2022
    Publication date: June 16, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomoko ADACHI, Ryoko MATSUO, Tomoya TANDAI
  • Patent number: 11333602
    Abstract: A fluid measuring apparatus is provided with: an irradiating device configured to irradiate a fluid with light; a light receiving device configured to receive light scattered by the fluid; a detecting device configured to detect a backflow of the fluid on the basis of a received light signal of the light receiving device; and a calculating device configured to calculate estimated concentration information indicating a concentration of the fluid, on the basis of a detection result of the detecting device and the received light signal of the light receiving device. By this, even if the backflow temporarily occurs in the fluid, the fluid concentration can be accurately measured.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: May 17, 2022
    Assignees: PIONEER CORPORATION, NIKKISO COMPANY LIMITED
    Inventors: Kiyoshi Tateishi, Wataru Onodera, Tomoya Murakami, Akari Agata, Genki Adachi
  • Publication number: 20220091558
    Abstract: An image forming apparatus includes a heating device including a heater, a developing device, and an airflow generation device. The heater includes a base, a heat generator, an electrode portion, and conductive portions. The conductive portions are disposed on one side and another side in a longitudinal direction in a heat generation region and spaced apart in a lateral direction intersecting the longitudinal direction. A maximum total value among total values of squares of current flowing in the conductive portions at longitudinal positions on the one side is larger than that on said another side. The developing device includes a rotating member and sliding portions. A sliding portion having highest temperature in operation is disposed on one side of the developing device being same as the one side of the heater in the longitudinal direction. The airflow generation device generates an airflow toward the one side of the developing device.
    Type: Application
    Filed: September 21, 2021
    Publication date: March 24, 2022
    Inventors: Kei SAITO, Tomoya ADACHI, Yuusuke FURUICHI
  • Patent number: 11269274
    Abstract: A heating device includes an endless belt that rotates and a pressure rotator that rotates in a rotation direction. The pressure rotator contacts an outer circumferential surface of the endless belt to form a nip therebetween, through which a heating target having a particular width in an axial direction of the pressure rotator is conveyed. A heater includes a heat generator that defines a conveyance span in the axial direction of the pressure rotator, where the heating target is conveyed, and a non-conveyance span in the axial direction of the pressure rotator, where the heating target is not conveyed. A non-conveyance span temperature detector is disposed opposite the pressure rotator in the non-conveyance span of the heat generator. The non-conveyance span temperature detector detects a temperature of the pressure rotator.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: March 8, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yuusuke Furuichi, Takayuki Seki, Tomoya Adachi
  • Patent number: 11237503
    Abstract: A heater includes an electrode, a heat generator, and a plurality of layers including a first layer and at least one additional layer disposed in an opposite side with respect to a surface on which the electrode is disposed. The at least one additional layer includes at least one of a plurality of portions, a gap at a location corresponding to the electrode, existing between the plurality of portions and a single portion, at least a part of the single portion corresponding to the electrode, being relatively thinner than a part of the single portion corresponding to the heat generator.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: February 1, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuusuke Furuichi, Tomoya Adachi, Yukimichi Someya
  • Publication number: 20220019491
    Abstract: With respect to a method of determining a split scheme, the method includes calculating, by one or more processors, data related to data transfer time, for each combination of parallelization axes at respective layers of a hierarchical memory computer, based on data transfer methods, a size of a problem to be calculated, and communication bandwidths between the layers. The data transfer methods are determined by the parallelization axes, and the parallelization axes indicate how to split the problem. The method further includes determining, by the one or more processors, a combination of the parallelization axes based on the data related to the data transfer time calculated for each combination of the parallelization axes.
    Type: Application
    Filed: July 16, 2021
    Publication date: January 20, 2022
    Inventors: Tomokazu HIGUCHI, Hiroto IMACHI, Tomoya ADACHI
  • Publication number: 20220004128
    Abstract: A heater includes a base, a resistor pattern, and a circuit breaker. The resistor pattern includes a plurality of rows of resistors extending in a longitudinal direction of the base. The plurality of rows of resistors are spaced away from each other in a short-side direction orthogonal to the longitudinal direction of the base, coupled in parallel, and configured to generate heat by energization. The circuit breaker is disposed across the plurality of rows of resistors in the short-side direction and configured to cut off power supply to the resistor pattern when a temperature of any one of the plurality of rows of resistors reaches a high temperature threshold.
    Type: Application
    Filed: June 23, 2021
    Publication date: January 6, 2022
    Applicant: Ricoh Company, Ltd.
    Inventor: Tomoya ADACHI
  • Publication number: 20210389713
    Abstract: An image forming apparatus includes an image bearer, a protectant applicator, a heating device, and a protectant biasing member. The protectant applicator applies protectant to the image bearer. The heating device includes a heater including a base, a heat generator, an electrode, and a conductor coupling the heat generator to the electrode. The heater has a first position and a second position having a higher temperature than the first position. These are symmetrical to each other with respect to a longitudinal center of a heat generation area of the heater. The protectant biasing member biases the protectant to the protectant applicator with a first biasing force at a position closer to the first position than to the second position and with a second biasing force larger than the first biasing force at a position closer to the second position than to the first, and the protectant contacts the protectant applicator.
    Type: Application
    Filed: June 2, 2021
    Publication date: December 16, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Kenji YABE, Yuusuke FURUICHI, Tomoya ADACHI
  • Publication number: 20210379807
    Abstract: There are provided a molding conditions determination assist device and a resin state estimation device including: a quality estimation unit which estimates quality of the mold products by a machine learning on the basis of a detection data; a quality transition storage unit which accumulates the estimated quality of the mold products and stores a quality transition with respect to the accumulated quality of the mold products; a tendency evaluation unit which evaluates a quality change tendency with respect to a prescribed standard quality on the basis of the quality transition; a relationship storage unit which stores a relationship between the quality change tendency and a modification amount of the molding conditions for returning the quality to the standard quality; and a modification conditions determination unit which determines the modification amount of the molding conditions on the basis of the quality change tendency and the relationship.
    Type: Application
    Filed: June 3, 2021
    Publication date: December 9, 2021
    Applicant: JTEKT CORPORATION
    Inventors: Yusuke OKUBO, Sachiko TACHIBANA, Shota MIZOGUCHI, Toshiyuki BABA, Kouji KIMURA, Tomoya ADACHI
  • Publication number: 20210364958
    Abstract: A heating device includes a heater and a feeding member. The heater includes a base and an electrode mounted on an electrode mounting face of the base. The feeding member includes a connector terminal and a restrictor. The connector terminal contacts the electrode. The restrictor engages the heater and restricts displacement of the feeding member relative to the heater.
    Type: Application
    Filed: April 27, 2021
    Publication date: November 25, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Yukimichi SOMEYA, Tomoya ADACHI, Yuusuke FURUICHI
  • Publication number: 20210278790
    Abstract: A heating device (9) includes a heater (22), a holder (23), a device frame (40), a primary positioner (A), a secondary positioner (B), and a tertiary positioner (C). The heater includes a heat generator (60). The holder holds the heater. The device frame is configured to support the holder. The primary positioner is configured to position the heater and the holder in a longitudinal direction of the heater. The secondary positioner is configured to position the holder and the device frame in the longitudinal direction of the heater. The tertiary positioner is configured to position the device frame and a body of an image forming apparatus in the longitudinal direction of the heater. The primary positioner and one of the secondary positioner and the tertiary positioner are disposed on an identical side defined by a center of the heat generator in the longitudinal direction of the heater.
    Type: Application
    Filed: September 17, 2019
    Publication date: September 9, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Yuusuke FURUICHI, Tomoya ADACHI, Yukimichi SOMEYA, Takayuki SEKI
  • Patent number: 11067924
    Abstract: A heating device includes a base, a plurality of resistance heating elements, a power control circuit, a first temperature sensor, a second temperature sensor, and control circuitry. The resistance heating elements is disposed in a longitudinal direction of the base and electrically connected in parallel with each other. The power control circuit is configured to supply electrical power to the resistance heating elements. The control circuitry is configured to control an electrical power amount of the power control circuit so that temperatures of the resistance heating elements become equal to a first predetermined temperature based on a result of sensing with a first temperature sensor of the resistance heating elements and cut off the electrical power supplied from the power control circuit to the resistance heating elements in response to sensing of a second predetermined temperature with a second temperature sensor of the resistance heating elements.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: July 20, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Tomoya Adachi, Yuusuke Furuichi
  • Patent number: 11054773
    Abstract: A heater includes a base layer, a heat generator mounted on the base layer, and a slide layer mounted on the base layer. A sliding face of a counterpart slides over the slide layer. The slide layer is made of a material containing fluorine and includes a slide face that contacts the sliding face of the counterpart. The slide face of the slide layer has a surface roughness that is greater than a surface roughness of the sliding face of the counterpart.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: July 6, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuusuke Furuichi, Kenji Ishii, Kenichi Hasegawa, Takashi Fujita, Tomoya Adachi, Yukimichi Someya, Daisuke Inoue, Masahiro Samei, Takayuki Seki
  • Patent number: 11054772
    Abstract: A heater for being attached to a heating device includes a base layer, a heat generator mounted on the base layer, an electrode mounted on the base layer, and a feeder mounted on the base layer. The feeder is interposed between the electrode and the heat generator. The feeder is configured to electrically connect the electrode to the heat generator. A positioner is configured to engage a counterpart of the heating device. The positioner is configured to position the heater in a longitudinal direction of the heater when the heater is attached to the heating device.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: July 6, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuusuke Furuichi, Tomoya Adachi, Yukimichi Someya
  • Patent number: 10969717
    Abstract: A heating device includes an endless rotator that rotates in a rotation direction and a heater that contacts an inner circumferential surface of the endless rotator and extends in an axial direction of the endless rotator. An elastic body contacts the inner circumferential surface of the endless rotator and is disposed downstream from the heater in the rotation direction of the endless rotator. A holder holds the heater and the elastic body. A pressure rotator is disposed opposite the heater and the elastic body via the endless rotator to form a nip between the endless rotator and the pressure rotator. A motion restrictor is mounted on the holder. The motion restrictor restricts motion of the heater downstream in the rotation direction of the endless rotator.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: April 6, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Tomoya Adachi, Yuusuke Furuichi, Yukimichi Someya, Takayuki Seki
  • Patent number: 10928767
    Abstract: A heating device includes a heater, a holder, a connector, and a guide pair. The heater includes an electrode through which power is conducted. The holder is configured to hold the heater. The connector includes a conduction terminal and an engagement portion. The conduction terminal is configured to contact the electrode. The engagement portion is configured to be engaged with the holder. The connector is attachable to the holder to engage the engagement portion with the holder and contact the conduction terminal with the electrode. The guide pair includes a convex portion and a recess. The convex portion is disposed in one of the holder and the connector. The recess is disposed in another one of the holder and the connector. The guide pair is configured to guide the connector in an attaching direction of the connector to attach the connector to the holder.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: February 23, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Yukimichi Someya, Tomoya Adachi, Yuusuke Furuichi
  • Patent number: 10928761
    Abstract: An image forming apparatus includes a resistive heat generator and a power control device that controls power supplied to the resistive heat generator. The power control device supplies the power at a predetermined power duty cycle for adjustment to the resistive heat generator. The power control device adjusts a power duty cycle when the resistive heat generator is used.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: February 23, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Tomoya Adachi, Yuusuke Furuichi, Yukimichi Someya, Masahiro Samei
  • Patent number: 10915048
    Abstract: A heater includes a plurality of resistive heat generators electrically connected to each other in parallel. A power supply supplies power to the resistive heat generators. An electric current detector detects an electric current that flows through the resistive heat generators. A voltage detector detects a voltage applied to the resistive heat generators. An electric current controller controls the electric current that flows through the resistive heat generators based on the electric current detected by the electric current detector and the voltage detected by the voltage detector. The electric current detector detects the electric current in a state in which, after the power supply starts supplying the power to the resistive heat generators, a waveform of an alternating current supplied to the resistive heat generators remains constant for a predetermined time period or longer taken for the electric current detector to detect the electric current.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: February 9, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Tomoya Adachi, Yuusuke Furuichi, Yukimichi Someya
  • Patent number: 10877407
    Abstract: A heating device includes a heater and a holder. The heater includes a plate, an electrode disposed on one surface of the plate, and a heat generator. The heater does not include another electrode on the other surface of the plate opposite the one surface on which the electrode is disposed, and in a portion on the plate corresponding to the electrode. The holder includes a contact portion to contact the plate in a thickness direction of the plate, and at least one of a plurality of portions, a gap at a location corresponding to the electrode, existing between the plurality of portions and a single portion, at least a part of the single portion corresponding to the electrode, being relatively thinner than a part of the single portion corresponding to the heat generator.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: December 29, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuusuke Furuichi, Tomoya Adachi, Yukimichi Someya