Patents by Inventor Masaki Yamada

Masaki Yamada 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: 11976442
    Abstract: A construction machine includes an attitude sensor that detects the current attitude of an upper turning body; a reference angular acceleration calculation unit that calculates a reference angular acceleration to be generated when an electric turning motor is driven by a torque command value generated according to the operation amount of an operation part; a reference gravity torque calculation unit that, on the basis of the current attitude and the deviation between an actual angular acceleration, calculates a reference gravity torque; a gravity compensation torque calculation unit that calculates a gravity compensation torque for compensating a torque component generated about the turning axis by the gravity in the current attitude; and a correction unit that corrects the torque command value by using the gravity compensation torque so as to cancel the torque component generated about the turning axis by the gravity in the current attitude.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: May 7, 2024
    Assignee: YANMAR POWER TECHNOLOGY CO., LTD.
    Inventors: Naohiro Hara, Shingo Eguchi, Keishi Yamanaka, Tatsuya Fujimori, Masaki Yamada, Kensuke Kaneda
  • Patent number: 11979122
    Abstract: An isolation amplifier of an embodiment includes: a primary circuit including an encoder configured to encode an input signal and output the encoded input signal and an anomaly detection circuit configured to detect anomaly having occurred to the input signal and generate a detection signal; an isolation unit configured to insulate the primary circuit from a secondary circuit; an output circuit configured to generate an output signal corresponding to the input signal; and an anomaly-input sensing-output circuit configured to generate an output signal from the secondary circuit by changing the output signal from the output circuit based on the detection signal.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: May 7, 2024
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
    Inventors: Makoto Arai, Masaki Nishikawa, Shoji Ootaka, Tadashi Arai, Manabu Yamada, Shigeyasu Iwata, Takeshi Murasaki
  • Patent number: 11961725
    Abstract: A photoelectric tube includes a housing including a light transmitting portion, an electron emitting portion including a photoelectric surface disposed inside the housing, an electron capturing portion disposed between the light transmitting portion and the photoelectric surface inside the housing, and a conductive layer disposed on a light transmitting portion side of at least a part of the electron capturing portion to face the photoelectric surface inside the housing and configured to allow light to pass therethrough.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: April 16, 2024
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Tsuyoshi Kodama, Masaki Yamada
  • Patent number: 11945336
    Abstract: An information creation apparatus includes a processor configured to, in a case where priorities of power supply are set to power supply targets, set upper limits of power storage remaining amounts of the power supply targets such that the upper limit of the power storage remaining amount of a power supply target with a lower priority is set to a value larger than a reference value.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: April 2, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yoshimasa Watanabe, Kizuku Yamada, Masaki Ito, Sakiko Yoshida, Yuki Takahashi, Tomonori Imamura
  • Publication number: 20240105592
    Abstract: An isolator includes a substrate; a first insulating film on the substrate; a second insulating film on the first insulating film, a third insulating film on the second insulating film, a first interconnect in the second insulating film, and first and second coils. The first interconnect has a thickness equal to a film thickness of the second insulating film. The first coil extends in the first and second insulating films. The first coil has a length in the extending direction greater than the thickness of the first interconnect. The third insulating film is provided on the second insulating film, and covers the first interconnect and the first coil. The second coil is provided on the third insulating film, and faces the first coil via the third insulating film.
    Type: Application
    Filed: March 3, 2023
    Publication date: March 28, 2024
    Inventor: Masaki YAMADA
  • Publication number: 20240072631
    Abstract: A direct-current power supply includes: a plurality of semiconductor devices each of which is a multiphase converter incorporating a plurality of semiconductor switching elements and a drive circuit to drive the plurality of semiconductor switching elements; a plurality of first parasitic inductances, each of which connects a reference potential terminal of the drive circuit and output N terminals of the semiconductor switching elements, in the plurality of semiconductor devices; a smoothing capacitor; and an inverter.
    Type: Application
    Filed: March 19, 2021
    Publication date: February 29, 2024
    Inventors: Kazuhiro YAMADA, Satoru ICHIKI, Masaki MURAMATSU
  • Publication number: 20240054889
    Abstract: A traffic data acquisition unit acquires traffic volume data. A required time acquisition unit acquires an actual value of a required time. A traffic volume calculation unit calculates an inflow traffic volume of vehicles flowing into each using the traffic volume data and the actual value of the required time. A traffic state prediction unit calculates, for each route, a predicted value of the required time in view of the calculated inflow traffic volume and a predicted value of the required time when the inflow traffic volume is changed using a traffic model generated in advance. An amount of change calculation unit calculates, for each route, an amount of change in the predicted value of the required time when the inflow traffic volume is changed.
    Type: Application
    Filed: August 1, 2023
    Publication date: February 15, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masaki YAMADA, Yuji TAMURA, Ryota HORIGUCHI, Koji TAKAHASHI
  • Patent number: 11894223
    Abstract: A photoelectric tube includes a housing including a light transmitting portion, an electron emitting portion held by a recess provided in the housing, the electron emitting portion including a concave photoelectric surface facing a light transmitting portion side inside the housing, and an electron capturing portion disposed between the light transmitting portion and the photoelectric surface inside the housing. At least a part of the electron capturing portion is located inside a region on an inside of the photoelectric surface.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: February 6, 2024
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Tsuyoshi Kodama, Masaki Yamada, Shinichi Hara, Naoki Umebayashi
  • Patent number: 11860138
    Abstract: An analysis method includes: subjecting a sample to liquid chromatography; performing first mass spectrometry of the sample subjected to the liquid chromatography to detect a first ion corresponding to cholesteryl ester and a second ion corresponding to cholesteryl ester peroxide; and analyzing a degree of oxidation of the sample based on a ratio between an intensity of the detected first ion and an intensity of the detected second ion.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: January 2, 2024
    Assignee: SHIMADZU CORPORATION
    Inventor: Masaki Yamada
  • Publication number: 20230369035
    Abstract: A photoelectric tube includes a housing including a light transmitting portion, an electron emitting portion including a photoelectric surface disposed inside the housing, an electron capturing portion disposed between the light transmitting portion and the photoelectric surface inside the housing, and a conductive layer disposed on a light transmitting portion side of at least a part of the electron capturing portion to face the photoelectric surface inside the housing and configured to allow light to pass therethrough.
    Type: Application
    Filed: September 3, 2021
    Publication date: November 16, 2023
    Inventors: Tsuyoshi KODAMA, Masaki YAMADA
  • Publication number: 20230352285
    Abstract: A photoelectric tube includes a housing including a light transmitting portion, an electron emitting portion held by a recess provided in the housing, the electron emitting portion including a concave photoelectric surface facing a light transmitting portion side inside the housing, and an electron capturing portion disposed between the light transmitting portion and the photoelectric surface inside the housing. At least a part of the electron capturing portion is located inside a region on an inside of the photoelectric surface.
    Type: Application
    Filed: September 3, 2021
    Publication date: November 2, 2023
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Tsuyoshi KODAMA, Masaki YAMADA, Shinichi HARA, Naoki UMEBAYASHI
  • Publication number: 20230303480
    Abstract: Provided is a polybenzoxazole having a structural unit represented by General Formula [1]. In General Formula [1], R1 is a tetravalent organic group represented by General Formula [2], and R2 is a divalent organic group. In General Formula [2], two n’s are each independently an integer of 0 to 3, in a case where a plurality of R3?s are present, the plurality of R3?s each independently represent a monovalent substituent, and *1, *2, *3, and *4 each independently represent a bonding site, in which one of *1 and *2 is bonded to an oxygen atom in General Formula [1] and the other is bonded to a nitrogen atom in General Formula [1], and one of *3 and *4 is bonded to an oxygen atom in General Formula [1] and the other is bonded to a nitrogen atom in General Formula [1].
    Type: Application
    Filed: July 1, 2021
    Publication date: September 28, 2023
    Inventors: Yosuke MURAKAMI, Kenji HOSOI, Hiroshi EGUCHI, Yuki HAGIWARA, Masaki YAMADA, Kazuhiro YAMANAKA
  • Publication number: 20230287178
    Abstract: Provided are a fluorinated diamine represented by General Formula [1A] or a salt of the fluorinated diamine; a polyamide including a structural unit derived from the diamine or the salt thereof; a cyclized polyamide; and the like. In General Formula [1A], in a case where a plurality of R1's are present, the plurality of R1's are each independently at least one selected from the group consisting of an alkyl group, an alkoxy group, a halogen atom, a haloalkyl group, and a haloalkoxy group, and two n's are each independently an integer of 0 to 3.
    Type: Application
    Filed: August 2, 2021
    Publication date: September 14, 2023
    Inventors: Hiroshi EGUCHI, Yuki HAGIWARA, Masaki YAMADA, Kazuhiro YAMANAKA, Yosuke MURAKAMI, Kenji HOSOI
  • Publication number: 20230222607
    Abstract: A parking lot management system capable of selecting places where vehicles should be parked while preventing a load of computation from being increased is provided. The parking lot management system manages a parking lot including a plurality of parking spaces so as to enable one vehicle to be parked. The parking lot condition acquisition unit acquires a parking lot condition, which is a condition of a parking block. The parking block utility calculation unit calculates the utility of each of the plurality of parking blocks using a parking block utility function, which is a utility function set in advance regarding a parking block, based on the parking lot condition. The parking block selection unit selects parking blocks to be allocated to the plurality of respective vehicles based on the utility of each of the plurality of parking blocks.
    Type: Application
    Filed: December 22, 2022
    Publication date: July 13, 2023
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Masaki Yamada
  • Patent number: 11678583
    Abstract: Provided is a method of manufacturing a magnetic tunnel junction that simultaneously realizes removal of oxides on side walls of a magnetic layer and formation of a protective film and prevents deterioration of magnetic characteristics. The method includes: a first step 802 of etching a stacked film including a first magnetic layer, a MgO barrier layer, and a second magnetic layer stacked in order by plasma etching using an oxidizing gas to form the magnetic tunnel junction; and a second step 803 of simultaneously introducing an organic acid gas which is an n-valent acid and a precursor gas having a corresponding metal element valence of m, to form a first protective film on side walls of the magnetic tunnel junction. In the second step, the precursor gas is introduced at a molar ratio of n/m or more with respect to 1 mole of the organic acid gas introduced.
    Type: Grant
    Filed: February 1, 2022
    Date of Patent: June 13, 2023
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Yu Zhao, Katsuya Miura, Hirotaka Hamamura, Masaki Yamada, Kiyohiko Sato
  • Patent number: 11675282
    Abstract: The present invention provides an electrophotographic member having excellent deformation recovery even when stored or used under a high temperature and high humidity environment, which is useful in forming a high-quality electrophotographic image; a process cartridge; and an electrophotographic apparatus. The electrophotographic member of the present invention includes a conductive mandrel and an electro-conductive layer; the electro-conductive layer including a resin synthesized from an ion conducting agent and a compound being able to react with the ion conducting agent; the ion conducting agent including a specific anion and a cation having at least three hydroxyl groups; the compound being able to react with the hydroxyl group.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: June 13, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Sosuke Yamaguchi, Masaki Yamada, Kazuhiro Yamauchi, Satoru Nishioka, Taichi Shintou
  • Publication number: 20230160630
    Abstract: A refrigeration system includes: a vacuum chamber forming a cooling region accommodating an object; a cooling unit that cools the object accommodated in the cooling region; and a heating unit disposed in the cooling region to generate heat. The heating unit includes an optical fiber that guides light provided from an outside of the vacuum chamber, and a heating block that is disposed in the cooling region and that receives the light emitted from the optical fiber, to generate heat. The heating block includes a closed region configured to be isolated from the cooling region. A light-emitting end of the optical fiber is exposed to the closed region.
    Type: Application
    Filed: November 11, 2022
    Publication date: May 25, 2023
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Tsuyoshi KODAMA, Masaki YAMADA
  • Publication number: 20230092162
    Abstract: An insulating device includes: a first inductor including a first coil layer located in a first plane; a second inductor separated from the first inductor, the second inductor including a second coil layer located in the first plane, a central axis of the second coil layer being positioned inside the first coil layer; and an insulating layer located between the first inductor and the second inductor.
    Type: Application
    Filed: March 4, 2022
    Publication date: March 23, 2023
    Inventors: Tatsuya OHGURO, Kenichi OOTSUKA, Mari OTSUKA, Akira ISHIGURO, Masaki YAMADA
  • Patent number: 11586121
    Abstract: Provided is an electrophotographic electro-conductive member including a support having an electro-conductive outer surface, and an electro-conductive layer. The electro-conductive layer has a matrix containing a crosslinked product of a first rubber and domains containing a crosslinked product of a second rubber and an electron conductive agent. When measuring an impedance by applying alternating voltage between the outer surface of the support and a platinum electrode on an outer surface of the electro-conductive layer while changing a frequency, a slope at specific frequencies is ?0.8 to ?0.3 in a double logarithmic plot, and an impedance at specific frequency range is 1.0×104? to 1.0×1011?. When measuring an impedance by applying alternating voltage between the outer surface of the support and a platinum electrode on an outer surface of the electrophotographic electro-conductive member while changing a frequency, an impedance at specific frequency range is 1.0×105? to 1.0×1011?.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: February 21, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masaki Yamada, Yuichi Kikuchi, Kenji Takashima, Tetsuo Hino, Kazuhiro Yamauchi, Takumi Furukawa
  • Publication number: 20220387384
    Abstract: A method of treating an LSD1-related disease or disorder in a patient in need, the method comprising administering an effective amount of 4-[5-[(3S)-3-aminopyrrolidine-1-carbonyl]-2-[2-fluoro-4-(2-hydroxy-2-methyl-propyl)phenyl]phenyl]-2-fluoro-benzonitrile or a salt thereof to the patient on an administration schedule comprising daily dosing for one week or two weeks, followed by a resting period of one week.
    Type: Application
    Filed: November 13, 2020
    Publication date: December 8, 2022
    Inventors: Hiroko HITOTSUMACHI, Takumitsu MACHIDA, Masaki YAMADA, Harold KEER, Aram OGANESIAN