Patents by Inventor Atsushi Takahashi

Atsushi Takahashi 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: 11559992
    Abstract: An inkjet printing apparatus includes a print head that ejects ink, a waste ink tank having an absorber that absorbs ink discharged from the print head. The inkjet printing apparatus further includes a counting unit that counts a waste ink amount discharged to the waste ink tank, a timer that measures an elapsed time from installation of the waste ink tank in the apparatus, an acquiring unit that acquires a waste ink retention amount by obtaining an evaporation amount from evaporation of waste ink retained in the waste ink tank based on the elapsed time and subtracting the evaporation amount from the waste ink amount, a notifying unit that notifies that the waste ink retention amount exceeds a threshold; and a setting unit that sets the threshold based on a waste ink evaporation rate calculated by using the evaporation amount and the waste ink amount.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: January 24, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshinori Nakagawa, Takatoshi Nakano, Atsushi Takahashi, Takuya Fukasawa
  • Publication number: 20220406611
    Abstract: A method for manufacturing a semiconductor device according to an embodiment is a method for manufacturing a semiconductor device including performing a first etching process of forming a recess in a layer to be processed formed on a substrate by reactive ion etching using a first gas, performing a first process of supplying hydrogen radicals to the recess by using a second gas containing hydrogen in a state where a temperature of the substrate is equal to or more than 200° C. and equal to or less than 350° C. after the first etching process, and performing a second etching process of etching a bottom surface of the recess by reactive ion etching using a third gas after the first process.
    Type: Application
    Filed: December 9, 2021
    Publication date: December 22, 2022
    Applicant: Kioxia Corporation
    Inventors: Atsushi TAKAHASHI, Tsubasa IMAMURA, Wu LI, Yuto ITAGAKI, Minki CHOU
  • Patent number: 11533009
    Abstract: A motor control device includes a current acquisition unit that acquires a limit current allowed to flow from a battery to a brushless motor, a voltage acquisition unit that acquires a power supply voltage applied from the battery to the brushless motor, and a command current determination unit that determines a d-axis command current and a q-axis command current. The command current determination unit determines the d-axis command current and the q-axis command current based on a power limit circle which is a current characteristic on a d-axis and a q-axis based on an inner product of a voltage vector and a current vector and a voltage limit circle which is a current characteristic on the d-axis and the q-axis based on the power supply voltage and an angular velocity of the brushless motor.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: December 20, 2022
    Assignee: ADVICS CO., LTD.
    Inventor: Atsushi Takahashi
  • Patent number: 11529814
    Abstract: A printing apparatus comprises: a print head comprising, for each of a plurality of types of inks, an ejection opening and pressure chamber, and configured to perform printing operation by ejecting the ink from the ejection opening; a circulation unit capable of circulating the ink of each ink type; a determination unit configured to determine an accumulated time for which a first type of ink is circulated by the circulation unit in the printing operation using the first type of ink and not using a second type of ink different from the first type of ink; and a control unit configured to perform control based on the determined accumulated time to cause the circulation unit to circulate at least the second type of ink among the plurality of types of inks in a case where the accumulated time is longer than a predetermined time.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: December 20, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takatoshi Nakano, Yoshinori Nakagawa, Atsushi Takahashi, Takuya Fukasawa
  • Publication number: 20220394941
    Abstract: The present invention addresses the problem of providing: an emitter that can be placed within a tube without aligning discharge parts of the emitter, is reduced in thickness while having a function for adjusting the flow rate, and is less likely to inhibit irrigation fluid flow. An emitter for solving the above problem is joined to the inner wall surface of a tube through which an irrigation fluid flows, and is used to discharge the irrigation fluid within the tube from a discharge port to the outside of the tube. The emitter has: at least one intake part; one discharge amount adjustment part; one discharge groove; and a plurality of discharge parts. The plurality of discharge parts are disposed symmetrically on both sides of the center of the emitter in a plan view.
    Type: Application
    Filed: November 12, 2020
    Publication date: December 15, 2022
    Inventors: Koki ONO, Atsushi TAKAHASHI, Yuki TAGUCHI
  • Publication number: 20220384180
    Abstract: In one embodiment, a method of manufacturing a semiconductor device includes forming a first film on a substrate. The method further includes performing a first process of forming a concave portion in the first film and forming a second film on a surface of the first film that is exposed in the concave portion by using a first gas containing a carbon element and a fluorine element. The method further includes performing a second process of exposing the second film to a second gas containing a hydrogen element or a fluid generated from the second gas.
    Type: Application
    Filed: August 2, 2022
    Publication date: December 1, 2022
    Applicant: Kioxia Corporation
    Inventors: Takaya ISHINO, Atsushi Takahashi, Kazunori Zaima
  • Patent number: 11507007
    Abstract: A glossiness inspection device includes an illumination device that emits irradiation light to a glossiness detection target and a light receiving device that receives reflected light of the irradiation light reflected by the glossiness detection target and outputs a light reception detection signal according to an amount of the received light. A dimmer of the device adjusts an amount of the irradiation light, and a detection signal adjuster of the device adjusts a gain for amplifying the light reception detection signal. An irradiation position controller of the device selectively irradiates a first gloss region and a second gloss region of a correction plate with the irradiation light. A hardware processor of the device adjusts at least one of the amount of the irradiation light, an offset of the detection signal adjuster, a characteristic straight line for calculating a glossiness, or a calculated glossiness.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: November 22, 2022
    Assignee: KONICA MINOLTA, INC.
    Inventors: Atsushi Takahashi, Hitoshi Asano, Yumiko Izumiya, Hirotada Seki, Akimasa Ishikawa
  • Publication number: 20220356372
    Abstract: A recycled polishing agent slurry is prepared from a used polishing agent slurry after polishing a silicon material using a reference polishing agent slurry including a cerium oxide polishing agent and a dispersing agent. The preparation method includes: slurry collecting in which the used slurry discharged from a polishing machine is collected; separation and concentration in which the cerium oxide polishing agent in the collected slurry is separated from a component derived from the material to be polished and then concentrated, and polishing agent recycling in which a pH adjusting agent and the dispersing agent are added to the separated and concentrated cerium oxide polishing agent, and a recycled polishing agent slurry is adjusted to have a pH value at 25° C. of in a range of 6.0 to 10.5 and an electrical conductivity value in a range of 0.10 to 10.00 times that of the reference slurry.
    Type: Application
    Filed: April 8, 2022
    Publication date: November 10, 2022
    Inventors: Atsushi TAKAHASHI, Akihiro MAEZAWA, Fumiko TSUKIGATA, Keisuke MIZOGUCHI
  • Publication number: 20220352745
    Abstract: An objective of the present invention is to provide a power supply system which enables stabilization of power supply voltages of multiple areas and/or redundancy to be achieved with low costs. A power supply system includes a main battery for providing power and a sub-battery which is separate from the main battery and provides power. The power supply system further includes switching boxes in first to fourth areas as a plurality of power supply areas configured to be supplied with power from the main battery and sub-battery, the switching boxes switching on/off states of power supplies into the first to fourth areas from the main battery and from the sub-battery. Furthermore, the power supply system includes a control section for switching control of the on/off states for the switching boxes.
    Type: Application
    Filed: March 28, 2022
    Publication date: November 3, 2022
    Applicant: Yazaki Corporation
    Inventor: Atsushi TAKAHASHI
  • Publication number: 20220336492
    Abstract: In one embodiment, a semiconductor storage device includes a stacked body in which a plurality of conducting layers are stacked through a plurality of insulating layers in a first direction, a semiconductor layer penetrating the stacked body, extending in the first direction and including metal atoms, and a memory film including a first insulator, a charge storage layer and a second insulator that are provided between the stacked body and the semiconductor layer. The semiconductor layer surrounds a third insulator penetrating the stacked body and extending in the first direction, and at least one crystal grain in the semiconductor layer has a shape surrounding the third insulator.
    Type: Application
    Filed: June 27, 2022
    Publication date: October 20, 2022
    Applicant: KIOXIA CORPORATION
    Inventors: Yuta SAITO, Shinji MORI, Atsushi TAKAHASHI, Toshiaki YANASE, Keiichi SAWA, Kazuhiro MATSUO, Hiroyuki YAMASHITA
  • Patent number: 11476704
    Abstract: A power supply control system controls a redundant power supply system that includes a first power supply system and a second power supply system connected in parallel to a power supply unit. The first power supply system includes a first power supply and a first system. The second power supply system includes a second power supply and a second system. The power supply control system includes a first switch that is a MOSFET provided between the power supply unit and the first power supply, a second switch that is a MOSFET provided between the power supply unit and the second power supply, a wiring configured to supply a dark current flowing from the first power supply to the second system, a first relay of a normally-on type provided on the wiring, and a second relay of a normally-off type provided between the second power supply and the second switch.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: October 18, 2022
    Assignee: YAZAKI CORPORATION
    Inventor: Atsushi Takahashi
  • Patent number: 11457875
    Abstract: An event prediction system according to an aspect includes an acquisition unit and a symptom detection unit. The acquisition unit acquires body movement data about a subject's body movement from a measuring device that outputs the body movement data. The symptom detection unit makes, based on a subset, acquired during a past reference period, of the body movement data, a decision about whether or not there are any symptoms of an onset of a particular event related to the subject.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: October 4, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Masaru Yamaoka, Toshiaki Tanaka, Kenji Masuda, Atsushi Takahashi, Hidehiko Ichikawa
  • Patent number: 11437232
    Abstract: In one embodiment, a method of manufacturing a semiconductor device includes forming a first film on a substrate. The method further includes performing a first process of forming a concave portion in the first film and forming a second film on a surface of the first film that is exposed in the concave portion by using a first gas containing a carbon element and a fluorine element. The method further includes performing a second process of exposing the second film to a second gas containing a hydrogen element or a fluid generated from the second gas.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: September 6, 2022
    Assignee: Kioxia Corporation
    Inventors: Takaya Ishino, Atsushi Takahashi, Kazunori Zaima
  • Patent number: 11436875
    Abstract: A protocol conversion device includes a converter and a communicator. The converter makes a protocol conversion of vehicle data acquired from a vehicle by communication based on a first protocol, into vehicle data in a format of HTTP or HTTPS as a second protocol. The vehicle data is directed to diagnosis of the vehicle. The communicator transmits the vehicle data protocol-converted by the converter, to a communication terminal that is able to execute, by communication based on the second protocol, a vehicle diagnosis program held by a web server. The converter makes a protocol conversion of data transmitted from the communication terminal by the communication based on the second protocol, into data in a first protocol format. The communicator transmits, to the vehicle by the communication based on the first protocol, the data in the first protocol format that is protocol-converted by the converter.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: September 6, 2022
    Assignee: SUBARU CORPORATION
    Inventors: Hiromi Hirase, Yoshinori Yamada, Ryuichiro Imai, Atsushi Takahashi
  • Publication number: 20220274400
    Abstract: A printing apparatus includes a print head provided with a discharge port that discharges liquid and a pressure chamber filled with the liquid to be discharged from the discharge port, and configured to perform a printing operation by discharging the liquid from the discharge port based on print data, includes a circulation unit that performs circulation of the liquid in a circulation passage including the pressure chamber in a state where the printing operation is performed, and includes a control unit that controls the circulation unit to continue the circulation for a predetermined time after the printing operation is completed.
    Type: Application
    Filed: May 16, 2022
    Publication date: September 1, 2022
    Inventors: Takuya Fukasawa, Takatoshi Nakano, Yoshinori Nakagawa, Atsushi Takahashi
  • Publication number: 20220250386
    Abstract: The inkjet printing apparatus includes: a printing unit to eject ink; a wiping unit capable of wiping an ejection opening surface by moving relative to the ejection opening surface with an opening, adapted to be in contact with the ejection opening surface, put in contact with the ejection opening surface; a suction unit connected to the wiping unit and configured to apply negative pressure to the ejection opening surface via the opening; a moving unit to move the wiping unit relative to the ejection opening surface; and a control unit to perform suction wiping operation by wiping the ejection opening surface with the wiping unit while applying negative pressure to the ejection opening surface. The control unit determines the timing to perform the suction wiping operation, and, according to the timing, determines a moving speed of the moving unit and a pressure value caused by the suction unit.
    Type: Application
    Filed: April 26, 2022
    Publication date: August 11, 2022
    Inventors: Takahiro Kiuchi, Noriko Sato, Hiroshi Nakai, Takashi Sasaki, Takatoshi Nakano, Atsushi Takahashi, Takuya Fukasawa, Yoshinori Nakagawa
  • Publication number: 20220246640
    Abstract: In one embodiment, a semiconductor device includes a substrate, insulating films and first films alternately stacked on the substrate, at least one of the first films including an electrode layer and a charge storage layer provided on a face of the electrode layer via a first insulator, and a semiconductor layer provided on a face of the charge storage layer via a second insulator. The device further includes at least one of a first portion including nitrogen and provided between the first insulator and the charge storage layer with an air gap provided in the first insulator, a second portion including nitrogen, provided between the charge storage layer and the second insulator, and including a portion protruding toward the charge storage layer, and a third portion including nitrogen and provided between the second insulator and the semiconductor layer with an air gap provided in the first insulator.
    Type: Application
    Filed: April 20, 2022
    Publication date: August 4, 2022
    Applicant: KIOXIA CORPORATION
    Inventors: Keiichi SAWA, Kazuhiro MATSUO, Kazuhisa MATSUDA, Hiroyuki YAMASHITA, Yuta SAITO, Shinji MORI, Masayuki TANAKA, Kenichiro TORATANI, Atsushi TAKAHASHI, Shouji HONDA
  • Publication number: 20220238345
    Abstract: A manufacturing method for a semiconductor device according to an embodiment includes performing first etching for forming a recess in a layer to be processed using a reactive ion etching method, performing a first treatment of supplying a silylation agent to the recess after the first etching, and performing second etching of etching at least a bottom surface of the recess using a reactive ion etching method after the first treatment.
    Type: Application
    Filed: September 10, 2021
    Publication date: July 28, 2022
    Applicant: Kioxia Corporation
    Inventors: Atsushi TAKAHASHI, Ayata HARAYAMA, Yuya NAGATA
  • Patent number: 11398494
    Abstract: In one embodiment, a semiconductor storage device includes a stacked body in which a plurality of conducting layers are stacked through a plurality of insulating layers in a first direction, a semiconductor layer penetrating the stacked body, extending in the first direction and including metal atoms, and a memory film including a first insulator, a charge storage layer and a second insulator that are provided between the stacked body and the semiconductor layer. The semiconductor layer surrounds a third insulator penetrating the stacked body and extending in the first direction, and at least one crystal grain in the semiconductor layer has a shape surrounding the third insulator.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: July 26, 2022
    Assignee: Kioxia Corporation
    Inventors: Yuta Saito, Shinji Mori, Atsushi Takahashi, Toshiaki Yanase, Keiichi Sawa, Kazuhiro Matsuo, Hiroyuki Yamashita
  • Publication number: 20220228028
    Abstract: A polyamideimide resin composition comprises a polyamideimide resin and a solvent containing a compound represented by formula (1). In the formula, R1 represents an alkyl group of 1 to 8 carbon atoms, R2 and R3 each independently represent a hydrogen atom or an alkyl group of 1 to 8 carbon atoms, and X represents an alkylene group of 1 to 8 carbon atoms.
    Type: Application
    Filed: May 16, 2019
    Publication date: July 21, 2022
    Inventors: Yasuyuki SAITO, Atsushi TAKAHASHI, Rei SATAKE