Patents by Inventor Yoshitaka Yamamoto

Yoshitaka Yamamoto 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: 20240391077
    Abstract: A hammer drill includes a boss sleeve rotatably and externally mounted to an intermediate shaft separately from the intermediate shaft. The boss sleeve includes a rod coupled to a rear end of a piston cylinder via a swash bearing. The boss sleeve is configured to rotate to convert a rotation of the intermediate shaft into a reciprocating motion in a front-rear direction of the rod and transmit the reciprocating motion to the piston cylinder. The hammer drill includes a second clutch disposed at the intermediate shaft. By performing a switch operation of a slide position of the second clutch, a hammer mode in which the second clutch is engaged with the boss sleeve to reciprocate the piston cylinder back and forth and another operation mode are selectable. The boss sleeve is rotatably cantilevered not to be in contact with the intermediate shaft by an inner housing via a bearing.
    Type: Application
    Filed: May 13, 2024
    Publication date: November 28, 2024
    Applicant: MAKITA CORPORATION
    Inventors: Kiyonobu YOSHIKANE, Mizuki YAMAMOTO, Yoshitaka MACHIDA, Yusuke TAKANO
  • Publication number: 20240386737
    Abstract: A document classification system that enables highly accurate document classification is provided. The document classification system includes an input unit, a storage unit, a processing unit, and an output unit. The input unit has a function of receiving document data and reference document data. The storage unit has a function of storing a classification model. The processing unit has a function of creating first classification data to third classification data from the document data and the reference document data. A word contained in the document data and not contained in the reference document data belongs to the first classification data. A word contained in the document data and contained in the reference document data belongs to the second classification data. A word not contained in the document data and contained in the reference document data belongs to the third classification data.
    Type: Application
    Filed: August 17, 2022
    Publication date: November 21, 2024
    Inventors: Yoshitaka DOZEN, Kunitaka YAMAMOTO
  • Publication number: 20240364674
    Abstract: An in-vehicle relay device to be connected to a plurality of in-vehicle devices mounted on a vehicle and an authentication device performing authentication of the in-vehicle device, to relay communication between the plurality of in-vehicle devices, the device including a control unit controlling the relay of the communication, in which the control unit relays authentication communication data for the authentication between the in-vehicle device and the authentication device before the authentication of the in-vehicle device connected to the in-vehicle relay device is completed, transmits and receives setting data for setting an in-vehicle network with the authentication device and the in-vehicle device, in parallel with the relay of the authentication communication data, acquires setting information of the in-vehicle network according to the transmitted setting data, from the authentication device, and starts relay based on the acquired setting information after the authentication is completed.
    Type: Application
    Filed: March 14, 2022
    Publication date: October 31, 2024
    Inventors: Hirofumi URAYAMA, Darmawan GO, Tomohiro OTSU, Yoshitaka KIKUCHI, Takeshi HAGIHARA, Hideki MAEDA, Tatsuya IZUMI, Hideyuki TANAKA, Yusuke YAMAMOTO
  • Patent number: 12132414
    Abstract: A power supply that supplies power to a capacitive load comprises: a converter; an inverter; a resonant transformer; a detector configured to detect output frequency or output current and output voltage; and a controller configured to control the inverter, wherein the controller is configured to: calculate output power; adjust the output frequency within a predetermined frequency search range, adjust the output voltage within a predetermined voltage search range, and specify, as a frequency target value, a minimum value of the output frequency with which the output power reaches predetermined output power; and control the inverter so that the output frequency will be the frequency target value, adjust the output voltage within the predetermined voltage search range, and specify, as a voltage target value, a value of the output voltage with which the output power is target output power.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: October 29, 2024
    Assignee: METAWATER Co., Ltd.
    Inventors: Kazuya Takahashi, Souichirou Yamamoto, Kyohei Yamamoto, Yoshitaka Yonetani
  • Publication number: 20240326214
    Abstract: A power tool can receive two different auxiliary handles in a replaceable manner. A power tool includes a tool body, a main handle, a cylindrical handle mount to which a first auxiliary handle or a second auxiliary handle is attachable and having a groove, the first auxiliary handle, and the second auxiliary handle. The first auxiliary handle includes an arc-shaped first band, a band holder that changes the diameter of the first band, and a first protrusion engageable with the groove. The second auxiliary handle includes an arc-shaped second band having a cutout in an axial direction, a fastener that changes the diameter of the second band, and a second protrusion engageable with the groove.
    Type: Application
    Filed: January 8, 2024
    Publication date: October 3, 2024
    Applicant: MAKITA CORPORATION
    Inventors: Mizuki YAMAMOTO, Yoshitaka MACHIDA
  • Publication number: 20240333597
    Abstract: A management device includes: a specification information acquisition unit configured to acquire specification information indicating a specification of a configuration of an in-vehicle network; a state information acquisition unit configured to acquire state information indicating an assembly state, in the in-vehicle network, of a plurality of in-vehicle devices forming the in-vehicle network; and a comparison unit configured to compare the specification indicated by the specification information acquired by the specification information acquisition unit with the assembly state indicated by the state information acquired by the state information acquisition unit.
    Type: Application
    Filed: May 19, 2022
    Publication date: October 3, 2024
    Applicants: Sumitomo Electric Industries, Ltd., Sumitomo Wiring Systems, Ltd., Autonetworks Technologies, Ltd., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yusuke YAMAMOTO, Hideyuki TANAKA, Tatsuya IZUMI, Kenta OGATA, Takeshi HAGIHARA, Hirofumi URAYAMA, Darmawan GO, Tomohiro OTSU, Yoshitaka KIKUCHI, Hideki GOTO, Yasuhiro YAMASAKI, Takashi YASUDA
  • Patent number: 12099072
    Abstract: A cell picking device includes a stage, a sucker, a driver, a work content receiver, a registrar and a device controller. A sample container is placed on the stage. The driver is provided to execute sample scraping work and sample sucking work using a pipette tip attached to the sucker. In a case in which selection of work contents of the driver is received by the work content receiver, a work procedure including the received work contents of the driver is registered by the registrar. The work of the driver is controlled by the device controller in accordance with the registered work procedure.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: September 24, 2024
    Assignee: SHIMADZU CORPORATION
    Inventors: Mika Okada, Akari Takeda, Yamato Maeda, Yoshitake Yamamoto, Potsun Chiang, Yoshitaka Noda, Takashi Inoue
  • Publication number: 20240307375
    Abstract: An object of this invention is to provide a pharmaceutical composition for preventing and/or treating acute kidney injury, and an autophagy activator. The invention relates to, for example, a pharmaceutical composition for preventing and/or treating acute kidney injury, comprising a compound represented by formula (1), a salt thereof, or a prodrug thereof: wherein A is an optionally substituted benzene ring; B is an optionally substituted aryl or an optionally substituted heteroaryl; X is an oxygen atom or a sulfur atom; Y is a nitrogen atom or a carbon atom; of is a single or double bond when Y is a carbon atom, or of is a single bond when Y is a nitrogen atom; each R1 independently represents lower alkyl, or two R1s may be bound to each other to form a spiro ring or a crosslinked structure, or two R1s may be bound to each other to form a saturated fused heterocycle together with nitrogen and carbon atoms constituting a ring containing Y; p is 0, 1, or 2; or (R1)p is oxo.
    Type: Application
    Filed: June 22, 2022
    Publication date: September 19, 2024
    Inventors: Ryu NAGATA, Yoshitaka ISAKA, Takeshi YAMAMOTO, Hiroaki YONISHI, Tamotsu YOSHIMORI, Maho HAMASAKI, Yasuo MORI
  • Patent number: 12091542
    Abstract: A resin composition contains a maleimide compound (A), a cyanate ester compound (B), a polyphenylene ether compound (C) with a number average molecular weight of not lower than 1000 and not higher than 7000 and represented by Formula (1), and a block copolymer (D) having a styrene backbone. In Formula (1), X represents an aryl group; —(Y—O)n2- represents a polyphenylene ether moiety; R1, R2, and R3 each independently represent a hydrogen atom, an alkyl group, an alkenyl group, or an alkynyl group; n2 represents an integer of from 1 to 100; n1 represents an integer of from 1 to 6; and n3 represents an integer of from 1 to 4.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: September 17, 2024
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Saori Honda, Katsuya Yamamoto, Kazuyuki Higashita, Yoshitaka Ueno
  • Patent number: 12090591
    Abstract: A dust collection cup allows a bit tip to be viewable without being detached or replaced. A dust collection cup is attachable to a front cylindrical portion of a hammer drill. The dust collection cup in an attached state allows a bit attached to the front cylindrical portion to extend through the dust collection cup. The dust collection cup includes an attachment attachable to the front cylindrical portion, and a body connectable to the attachment. The body includes an extendable unit including at least a portion in an axial direction retaining a predetermined length.
    Type: Grant
    Filed: February 10, 2023
    Date of Patent: September 17, 2024
    Assignee: MAKITA CORPORATION
    Inventors: Mizuki Yamamoto, Yoshitaka Machida, Kiyonobu Yoshikane
  • Publication number: 20240250845
    Abstract: A vehicle-mounted control device to be mounted in a vehicle, includes: an acquisition unit configured to acquire calculation information to be used to calculate a setting change timing of a vehicle-mounted network from an electronic device in the vehicle-mounted network; a calculation unit configured to calculate the setting change timing based on the calculation information acquired by the acquisition unit; and a control unit configured to perform processing for executing a setting change of the vehicle-mounted network at the setting change timing calculated by the calculation unit, wherein the calculation information includes at least one of a topology of the vehicle-mounted network, a service of a system to which the electronic device belongs, a travel state of the vehicle, and a power supply state of the vehicle.
    Type: Application
    Filed: June 6, 2022
    Publication date: July 25, 2024
    Inventors: Yoshitaka KIKUCHI, Takeshi HAGIHARA, Hirofumi URAYAMA, Darmawan GO, Tomohiro OTSU, Hideyuki TANAKA, Tatsuya IZUMI, Yusuke YAMAMOTO
  • Patent number: 12023607
    Abstract: In order to enable stable provision of an upward release tube-type ceramic filter used in a molten metal bath and having a side wall with a height of 300 mm or greater, this method for manufacturing a ceramic filter, which is an upward release tube-type integrally molded article for removing unwanted substances from molten metal, has: a step for kneading a mixture of an aggregate comprising ceramic particles, a prescribed binding agent, and water to prepare a base material; a step for integrally forming an upward release tube-type ceramic filter precursor from the prepared base material; step for drying the precursor; a step for providing a retainer for the dried precursor for supporting a side wall of the precursor; a step for subsequently sintering the precursor; and a step for removing the retainer after sintering.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: July 2, 2024
    Assignee: KABUSHIKIGAISYA PROZEAL
    Inventors: Moriaki Miyahara, Yoshitaka Yamamoto
  • Publication number: 20230166629
    Abstract: A substitution system includes a vehicle including a battery and a charging port electrically coupled to the battery, a connector configured to be detachably attached to the port and to supply power from outside to the vehicle or from the vehicle to outside, and a control device including a processor and a memory. The processor is configured to determine whether the vehicle is at a delivery destination, and when determining that the vehicle is at the delivery destination, acquire the state of charge (SOC) of the vehicle battery and information indicating whether the connector is coupled to the port, and based on the SOC and the information, determine whether to set attachment substitution in which a delivery person who visits the delivery destination to deliver an item attaches the connector to the port or detachment substitution in which the delivery person detaches the connector from the port.
    Type: Application
    Filed: November 16, 2022
    Publication date: June 1, 2023
    Inventor: Yoshitaka YAMAMOTO
  • Patent number: 11404585
    Abstract: A manufacturing method of a semiconductor device in which the threshold is adjusted to an appropriate value is provided. The semiconductor device includes a semiconductor, a source or drain electrode electrically connected to the semiconductor, a first gate electrode and a second gate electrode between which the semiconductor is sandwiched, an electron trap layer between the first gate electrode and the semiconductor, and a gate insulating layer between the second gate electrode and the semiconductor. By keeping a potential of the first gate electrode higher than a potential of the source or drain electrode for 1 second or more while heating, electrons are trapped in the electron trap layer. Consequently, threshold is increased and Icut is reduced.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: August 2, 2022
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yoshitaka Yamamoto, Tetsuhiro Tanaka, Toshihiko Takeuchi, Yasumasa Yamane, Takayuki Inoue, Shunpei Yamazaki
  • Publication number: 20210331096
    Abstract: In order to enable stable provision of an upward release tube-type ceramic filter used in a molten metal bath and having a side wall with a height of 300 mm or greater, this method for manufacturing a ceramic filter, which is an upward release tube-type integrally molded article for removing unwanted substances from molten metal, has: a step for kneading a mixture of an aggregate comprising ceramic particles, a prescribed binding agent, and water to prepare a base material; a step for integrally forming an upward release tube-type ceramic filter precursor from the prepared base material; step for drying the precursor; a step for providing a retainer for the dried precursor for supporting a side wall of the precursor; a step for subsequently sintering the precursor; and a step for removing the retainer after sintering.
    Type: Application
    Filed: July 9, 2018
    Publication date: October 28, 2021
    Inventors: Moriaki MIYAHARA, Yoshitaka YAMAMOTO
  • Patent number: 10944014
    Abstract: To provide a transistor having a high on-state current. A semiconductor device includes a first insulator containing excess oxygen, a first oxide semiconductor over the first insulator, a second oxide semiconductor over the first oxide semiconductor, a first conductor and a second conductor which are over the second oxide semiconductor and are separated from each other, a third oxide semiconductor in contact with side surfaces of the first oxide semiconductor, a top surface and side surfaces of the second oxide semiconductor, a top surface of the first conductor, and a top surface of the second conductor, a second insulator over the third oxide semiconductor, and a third conductor facing a top surface and side surfaces of the second oxide semiconductor with the second insulator and the third oxide semiconductor therebetween. The first oxide semiconductor has a higher oxygen-transmitting property than the third oxide semiconductor.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: March 9, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Akihisa Shimomura, Yuhei Sato, Yasumasa Yamane, Yoshitaka Yamamoto, Hideomi Suzawa, Tetsuhiro Tanaka, Yutaka Okazaki, Naoki Okuno, Takahisa Ishiyama
  • Publication number: 20190341495
    Abstract: To provide a transistor having a high on-state current. A semiconductor device includes a first insulator containing excess oxygen, a first oxide semiconductor over the first insulator, a second oxide semiconductor over the first oxide semiconductor, a first conductor and a second conductor which are over the second oxide semiconductor and are separated from each other, a third oxide semiconductor in contact with side surfaces of the first oxide semiconductor, a top surface and side surfaces of the second oxide semiconductor, a top surface of the first conductor, and a top surface of the second conductor, a second insulator over the third oxide semiconductor, and a third conductor facing a top surface and side surfaces of the second oxide semiconductor with the second insulator and the third oxide semiconductor therebetween. The first oxide semiconductor has a higher oxygen-transmitting property than the third oxide semiconductor.
    Type: Application
    Filed: July 17, 2019
    Publication date: November 7, 2019
    Inventors: Shunpei YAMAZAKI, Akihisa SHIMOMURA, Yuhei SATO, Yasumasa YAMANE, Yoshitaka YAMAMOTO, Hideomi SUZAWA, Tetsuhiro TANAKA, Yutaka OKAZAKI, Naoki OKUNO, Takahisa ISHIYAMA
  • Patent number: 10374097
    Abstract: To provide a transistor having a high on-state current. A semiconductor device includes a first insulator containing excess oxygen, a first oxide semiconductor over the first insulator, a second oxide semiconductor over the first oxide semiconductor, a first conductor and a second conductor which are over the second oxide semiconductor and are separated from each other, a third oxide semiconductor in contact with side surfaces of the first oxide semiconductor, a top surface and side surfaces of the second oxide semiconductor, a top surface of the first conductor, and a top surface of the second conductor, a second insulator over the third oxide semiconductor, and a third conductor facing a top surface and side surfaces of the second oxide semiconductor with the second insulator and the third oxide semiconductor therebetween. The first oxide semiconductor has a higher oxygen-transmitting property than the third oxide semiconductor.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: August 6, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Akihisa Shimomura, Yuhei Sato, Yasumasa Yamane, Yoshitaka Yamamoto, Hideomi Suzawa, Tetsuhiro Tanaka, Yutaka Okazaki, Naoki Okuno, Takahisa Ishiyama
  • Publication number: 20180233597
    Abstract: A manufacturing method of a semiconductor device in which the threshold is adjusted to an appropriate value is provided. The semiconductor device includes a semiconductor, a source or drain electrode electrically connected to the semiconductor, a first gate electrode and a second gate electrode between which the semiconductor is sandwiched, an electron trap layer between the first gate electrode and the semiconductor, and a gate insulating layer between the second gate electrode and the semiconductor. By keeping a potential of the first gate electrode higher than a potential of the source or drain electrode for 1 second or more while heating, electrons are trapped in the electron trap layer. Consequently, threshold is increased and Icut is reduced.
    Type: Application
    Filed: April 5, 2018
    Publication date: August 16, 2018
    Inventors: Yoshitaka YAMAMOTO, Tetsuhiro TANAKA, Toshihiko TAKEUCHI, Yasumasa YAMANE, Takayuki INOUE, Shunpei YAMAZAKI
  • Publication number: 20180151743
    Abstract: To provide a transistor having a high on-state current. A semiconductor device includes a first insulator containing excess oxygen, a first oxide semiconductor over the first insulator, a second oxide semiconductor over the first oxide semiconductor, a first conductor and a second conductor which are over the second oxide semiconductor and are separated from each other, a third oxide semiconductor in contact with side surfaces of the first oxide semiconductor, a top surface and side surfaces of the second oxide semiconductor, a top surface of the first conductor, and a top surface of the second conductor, a second insulator over the third oxide semiconductor, and a third conductor facing a top surface and side surfaces of the second oxide semiconductor with the second insulator and the third oxide semiconductor therebetween. The first oxide semiconductor has a higher oxygen-transmitting property than the third oxide semiconductor.
    Type: Application
    Filed: January 9, 2018
    Publication date: May 31, 2018
    Inventors: Shunpei YAMAZAKI, Akihisa SHIMOMURA, Yuhei SATO, Yasumasa YAMANE, Yoshitaka YAMAMOTO, Hideomi SUZAWA, Tetsuhiro TANAKA, Yutaka OKAZAKI, Naoki OKUNO, Takahisa ISHIYAMA