Patents by Inventor Kazuhisa To

Kazuhisa To 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: 20240162222
    Abstract: Reliability of a semiconductor device is improved and reduction in yield is reduced. In a semiconductor substrate SUB, a trench TR is formed. A gate-electrode GE1 is formed inside the trench TR via a gate insulating film GI1. In the semiconductor substrate SUB, a body region PB, a well region PW1 and a well region NW1 are formed. A source-region NS is formed in the body-region PB. In the well region PW1, an n-type source region and an n-type drain region are formed. In the well region NW1, a p-type source region and a p-type drain region are formed. The source region NS, the n-type source region, the n-type drain region, the p-type source region and the p-type drain region are subjected to heat treatment. After heat treatment, a p-type column region PC is formed in the semiconductor substrate SUB located below the body region PB.
    Type: Application
    Filed: November 15, 2023
    Publication date: May 16, 2024
    Inventors: Hiroshi YANAGIGAWA, Hideki NIWAYAMA, Hiroyoshi KUDOU, Kazuhisa MORI, Kodai WADA
  • Publication number: 20240162143
    Abstract: In a semiconductor substrate SUB, a trench TR is formed. A gate-electrode GE1 is formed inside the trench TR via a gate insulating film GI1. A body region PB, a well region PW1 and a well region NW1 are formed. A source-region NS is formed in the body-region PB. In the well region PW1, an n-type source region and an n-type drain region are formed. In the well region NW1, a p-type source region and a p-type drain region are formed. An interlayer insulating film IL1 is formed on the upper surface of semiconductor substrate SUB. In the interlayer insulating film IL1, a hole CH1 is formed in the source region NS and in the body region PB. Holes CH3 are formed in the interlayer insulating film IL1 so as to reach the n-type source region, the n-type drain region, the p-type source region and the p-type drain region.
    Type: Application
    Filed: November 15, 2023
    Publication date: May 16, 2024
    Inventors: Hiroshi YANAGIGAWA, Hideki NIWAYAMA, Hiroyoshi KUDOU, Kazuhisa MORI, Kodai WADA
  • Publication number: 20240150202
    Abstract: A liquid sterilization device includes: an outer tube through which a fluid to be sterilized flows from one end side to the other end side in the axial direction; a flow-regulating plate that has a plurality of tapered holes having diameters thereof increasing from one end side toward the other end side in the axial direction; and a light source that applies ultraviolet light to a sterilization space on the other end side relative to the flow-regulating plate.
    Type: Application
    Filed: February 24, 2022
    Publication date: May 9, 2024
    Inventors: Hideaki TANAKA, Hiroyuki KATO, Kazuhisa SHINNO
  • Publication number: 20240142907
    Abstract: An image forming apparatus includes a first power cord configured to supply a first power, a second power cord configured to supply a second power, a first monitor configured to monitor a supply state of the first power, a second monitor configured to monitor a supply state of the second power, a load to which either the first power or the second power can be supplied, a controller configured to control an operation of the load, and a switcher configured to be switched between a first state in which the first power is supplied to the controller and a second state in which the second power is supplied to the controller.
    Type: Application
    Filed: October 31, 2023
    Publication date: May 2, 2024
    Inventors: FUMITAKA SOBUE, KAZUHISA KOIZUMI, YOSUKE HATA
  • Patent number: 11964260
    Abstract: Provided is a method for manufacturing a catalyst with which it is possible to obtain a supported metal ammonia synthesis catalyst, in which there are restrictions in terms of producing method and producing facility, and particularly large restrictions for industrial-scale producing, in a more simple manner and so that the obtained catalyst has a high activity. This method for manufacturing an ammonia synthesis catalyst includes: a first step for preparing 12CaO·7Al2O3 having a specific surface area of 5 m2/g or above; a second step for supporting a ruthenium compound on the 12CaO·7Al2O3; and a third step for performing a reduction process on the 12CaO·7Al2O3 supporting the ruthenium compound, obtained in the second step. This invention is characterized in that the reduction process is performed until the average particle diameter of the ruthenium after the reduction process has increased by at least 15% in relation to the average particle diameter of the ruthenium before the reduction process.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: April 23, 2024
    Assignees: Tokyo Institute of Technology, Tsubame BHB Co., Ltd.
    Inventors: Hideo Hosono, Masaaki Kitano, Toshiharu Yokoyama, Jiang Li, Shigeki Kawamura, Kazuhisa Kishida
  • Patent number: 11967294
    Abstract: A common electrode driver includes an inverting amplifier including a first resistor, a second resistor, and an operational amplifier, and a resistance ratio adjustment circuit that adjusts, in accordance with a length of one horizontal scan period, a resistance ratio being a ratio of a resistance value of the second resistor to a resistance value of the first resistor. A feedback voltage is provided to one end of the first resistor. The resistance ratio adjustment circuit sets the resistance ratio when second driving is performed, in which a length of one horizontal scan period is a second time longer than a first time, to be smaller than the resistance ratio when first driving is performed, in which a length of one horizontal scan period is the first time.
    Type: Grant
    Filed: May 1, 2023
    Date of Patent: April 23, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Masaki Uehata, Yasuki Mori, Kohji Saitoh, Takayuki Mizunaga, Kazuya Kondoh, Takashi Nojima, Kazuhisa Yoshimoto, Kosuke Kawamoto, Hiroyuki Kito, Kazuki Nakamichi
  • Patent number: 11967887
    Abstract: The present invention provides a motor apparatus having a motor, comprising: a fan that is rotatably supported by a shaft member of the motor, and sends, in a centrifugal direction by rotation, gas taken from an axial direction of the shaft member; and a cover member that covers the fan so as to allow the gas sent in the centrifugal direction from the fan to flow along an outer surface of the motor, wherein the cover member has a blowout port that blows out some of the gas sent in the centrifugal direction from the fan in the centrifugal direction to cool an external mechanism of the motor apparatus.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: April 23, 2024
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Naoki Matsunaga, Kazuhisa Fujiwara, Hiroshi Mizuguchi
  • Patent number: 11958388
    Abstract: An in-vehicle seat includes a seat back, a seat cushion, and an anchor for fixing a child seat. The seat cushion has a seat cushion base, a seat cushion pad that is removable from the seat cushion, and a supporting panel. The supporting panel is provided between the seat cushion base and the seat cushion pad, and serves as a placement face for the child seat. The anchor is provided at a position at which the anchor is covered and hidden by the seat cushion pad, and at which the anchor is externally exposed when the seat cushion pad is removed from the seat cushion. A guide groove that guides a linking portion protruding from the child seat to the anchor is provided in the supporting panel.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: April 16, 2024
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventors: Keiichi Kondo, Kazuhisa Niimi, Ryo Sato
  • Patent number: 11957780
    Abstract: Provided is method of maintaining or improving a skin barrier function in a subject comprising orally administering to the subject a composition comprising an oil-soluble extract from red paprika, wherein the oil-soluble extract contains a hexane-soluble component.
    Type: Grant
    Filed: October 1, 2021
    Date of Patent: April 16, 2024
    Assignee: Ezaki Glico Co. Ltd.
    Inventors: Kazuhisa Sugimoto, Haruyo Sambe
  • Patent number: 11958709
    Abstract: A recording material processing apparatus includes a processing tray, a detecting unit, a stapling unit, an instructing unit, a control unit, a switching unit, and a notifying unit. The detecting unit detects recording material placed in the processing tray. The stapling unit executes a stapling process for the recording material placed in the processing tray. The instructing unit outputs a stapling process execution instruction. Upon receipt of the execution instruction in a state in which the detecting unit has detected a recording material inserted in the processing tray from an outside of a main body of a main body apparatus, the control unit cause the stapling process to be executed. The switching unit switches a position of the stapling unit among a plurality of positions. The notifying unit provides notification of a placement position of the recording material in the processing tray corresponding to each of the plurality of positions.
    Type: Grant
    Filed: June 8, 2023
    Date of Patent: April 16, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroshi Chihara, Kazuhisa Sato
  • Publication number: 20240117456
    Abstract: This steel sheet includes: a base steel sheet having a predetermined chemical composition; and a scale formed on a surface of the base steel sheet, in which the base steel sheet has a decarburized layer formed on a side of an interface with the scale, the decarburized layer has an internal oxidized layer formed on the side of the interface with the scale, a depth of the decarburized layer from an interface between the base steel sheet and the scale is 90 ?m or more, a depth of the internal oxidized layer from the interface is less than 30 ?m, and the scale contains 80% or more of Fe by mass %.
    Type: Application
    Filed: March 16, 2022
    Publication date: April 11, 2024
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Shinichiro TABATA, Kazuhisa KUSUMI
  • Publication number: 20240116840
    Abstract: An object is to provide a compound that can be a novel curing agent. The compound suppresses volatilization of the curing agent that can lead to a decrease in function of a prepreg, contamination of equipment for producing the prepreg, and in addition a decrease in production yield of the prepreg, and further contributes to improving dielectric properties. As a solution, a tris(allyl ether) compound represented by general formula (1) below is provided.
    Type: Application
    Filed: February 10, 2022
    Publication date: April 11, 2024
    Inventors: Akihito NASU, Kazuhisa YAJIMA, Takeru YOSHII, Masafumi OTSUKI, Kentaro YAMANE
  • Publication number: 20240120017
    Abstract: Provided is a RAM including a first read bit line, a first write bit line, a second read bit line, a second write bit line, a charge circuit configured to charge one of the first and second read bit lines and the first and second write bit lines at a time of short-circuit detection, and a discharge circuit configured to discharge the other of the first and second read bit lines and the first and second write bit lines at the time of the short-circuit detection.
    Type: Application
    Filed: September 26, 2023
    Publication date: April 11, 2024
    Inventors: Kosuke Ijigawa, Kazuhisa Ukai
  • Patent number: 11953848
    Abstract: A belt unit includes a belt that is endless, a plurality of stretching rollers, a pair of side frames and one or more shafts. The side frames are each provided with bearing holes that rotatably support opposite end parts of the stretching rollers, and positioning holes into which opposite end parts of the shafts are inserted. The shafts each have formed therein a first engagement groove that engages with a first holding jig. The stretching rollers each have formed therein a second engagement groove that engages with a second holding jig. When the first engagement groove is in engagement with the first holding jig, the shafts are arranged opposite the positioning holes corresponding thereto, and have a phase thereof restricted in a circumferential direction thereof. When the second engagement groove is in engagement with the second holding jig, the stretching rollers are arranged opposite the bearing holes corresponding thereto.
    Type: Grant
    Filed: February 14, 2023
    Date of Patent: April 9, 2024
    Assignee: KYOCERA DOCUMENT SOLUTIONS INC.
    Inventors: Takashi Kainuma, Kazuhisa Hirahara
  • Publication number: 20240114187
    Abstract: An information processing apparatus including: an experience quality estimation unit that estimates an experience quality value by replacing a plurality of index values included in viewing history data of an image with an index value corresponding to a case other than any one of a plurality of predetermined bit rates; a contribution degree calculation unit that calculates a contribution degree of each bit rate included in the plurality of bit rates to an experience quality value on the basis of the estimated experience quality value; and a contribution degree output unit that outputs information indicating the contribution degree.
    Type: Application
    Filed: March 10, 2021
    Publication date: April 4, 2024
    Inventors: Yoichi MATSUO, Kazuhisa YAMAGISHI
  • Publication number: 20240109285
    Abstract: A printing apparatus includes a head that faces a medium supported by a medium support unit and ejects a liquid, an interference object sensor including a detector that detects an interference object with the head, and a cover that can switch the detector to a shielded state and to an exposed state.
    Type: Application
    Filed: September 29, 2023
    Publication date: April 4, 2024
    Inventors: Kenjiro ISHIHARA, Kazuhisa TAKEDA, Keita HANAWA, Ryo NISHIKAWA
  • Publication number: 20240109341
    Abstract: A recording apparatus includes discharge rollers configured to perform a discharge operation of discharging a recording medium on which an image has been recorded by a recording head to the outside of the recording apparatus, and a height-change member configured to change a height of the recording head in parallel with the discharging operation.
    Type: Application
    Filed: September 26, 2023
    Publication date: April 4, 2024
    Inventor: KAZUHISA FUJINO
  • Patent number: 11945372
    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: Grant
    Filed: July 2, 2020
    Date of Patent: April 2, 2024
    Assignee: TOYODA GOSEI CO., LTD.
    Inventor: Kazuhisa Takahashi
  • Patent number: 11944944
    Abstract: A mixing apparatus includes a mixer configured to mix a material including a rubber or a resin in the presence of a working fluid that is in a supercritical state or a subcritical state. The mixer includes a chamber that forms a flow passage for the working fluid and the material, and a mixing blade disposed in the chamber and fixed to the chamber.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: April 2, 2024
    Assignee: Kobe Steel, Ltd.
    Inventors: Kosuke Higashi, Kazuhisa Fukutani
  • Patent number: 11945318
    Abstract: The power supply apparatus includes a power transmission apparatus configured to transmit power to a power reception apparatus of the vehicle by non-contact and a processor configured to control the power transmission apparatus, detect a pickup/dropoff operation at the vehicle when power is being supplied by non-contact from the power supply apparatus to the vehicle, and detect a number of surrounding vehicles being supplied with power by non-contact in a predetermined range at surroundings of the power supply apparatus. The processor is configured to decrease power transmitted from the power transmission apparatus to the power reception apparatus when detecting a pickup/dropoff operation, and determine an amount of decrease of the transmitted power based on the number of surrounding vehicles.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: April 2, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daiki Yokoyama, Toshiya Hashimoto, Shuntaro Okazaki, Shogo Tsuge, Kazuhisa Matsuda