Patents by Inventor Hiroki Yamashita

Hiroki Yamashita 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: 20240146662
    Abstract: A signal processing device according to an embodiment distributes input high priority frames and low priority frames according to priorities, processes and transfers each of the distributed high priority frames and low priority frames, an accumulation unit accumulates the transferred high priority frames and low priority frames, sequentially reads out and outputs each of the high priority frames and low priority frames accumulated by the accumulation unit according to the priority, sets the low priority frames to be divided by a predetermined size and transferred in a case where the high priority frames are input or in a case where the accumulation unit accumulates the high priority frames, and sets the low priority frames to be transferred without division in a case where the high priority frames are not input and the accumulation unit does not accumulate the high priority frames.
    Type: Application
    Filed: March 25, 2021
    Publication date: May 2, 2024
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Mitsuru NISHINO, Hiroki SHIBAYAMA, Fumihiro YAMASHITA
  • Patent number: 11973453
    Abstract: A first actuator and a second actuator each have a plurality of control calculation units provided redundantly and a plurality of motor drive units provided redundantly. In the first and the second actuators, the control calculation units of the systems paired with each other transmit and receive information to and from each other by a communication between the actuators. When a failure occurs in any system in either of the two actuators, or when a failure occurs in a communication between actuators in either system, the control calculation unit of each actuator of the system in which the failure occurred stops the motor drive control. Then, the motor drive control is continued by the control calculation unit of the normal system in both actuators.
    Type: Grant
    Filed: April 26, 2022
    Date of Patent: April 30, 2024
    Assignees: DENSO CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, JTEKT CORPORATION
    Inventors: Hiroki Tomizawa, Masaharu Yamashita, Kenji Shibata, Yosuke Yamashita, Shoji Kubota, Yugo Nagashima, Yuji Fujita, Kenichi Abe
  • Publication number: 20240132147
    Abstract: A vehicle power supply system includes a power source control device that executes a process of switching a connection state of a driving circuit to the main power source and an auxiliary power source including; a process of switching the connection state so as to transition to a backup state as a voltage decrease of the main power source occurs, and a process of switching the connection state so as to transition to a normal state as the voltage decrease of the main power source is resolved. After a voltage decrease of the main power source occurs, a turning-side control device of a steering control unit sets an output-limited state for a turning-side motor. The output-limited state is canceled upon the power source control device completing switching of the connection state so as to transition.
    Type: Application
    Filed: October 11, 2023
    Publication date: April 25, 2024
    Applicants: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATION
    Inventors: Yuuta KAJISAWA, Yuji FUJITA, Yugo NAGASHIMA, Kazuma HASEGAWA, Takashi KOUDAI, Kaishi MONOBE, Kenichi ABE, Masaharu YAMASHITA, Shintaro TAKAYAMA, Kazuaki IIDA, Yasushi HORA, Yosuke YAMASHITA, Hiroki TOMIZAWA, Nobuyori NAKAJIMA, Hayaki TANABE, Toyohiro HAYASHI, Takeshi IWANA
  • Publication number: 20240137114
    Abstract: A transmission power controller includes: a control unit that outputs, within a range not exceeding a TPC set point, a TPC controlled variable that increases transmission power of a transmission system device more in a case of a larger attenuation of a reception signal received from a communication satellite; a data accumulation unit that accumulates the TPC controlled variable; an appropriate value extraction unit that extracts, as a TPC appropriate set point, the largest TPC controlled variable among the accumulated TPC controlled variables except a top predetermined proportion; and an updating unit that outputs, to the transmission system device, a reference transmission power increase signal that increases the reference transmission power more in a case of a larger difference between the TPC set point and the TPC appropriate set point and updates the TPC set point with the TPC appropriate set point. Thereby, efficient use of a transmitter is enabled.
    Type: Application
    Filed: March 9, 2021
    Publication date: April 25, 2024
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Koichi HARADA, Fumihiro YAMASHITA, Hiroki SHIBAYAMA
  • Publication number: 20240121637
    Abstract: A wireless communication monitoring system for monitoring a hardware failure of a wireless communication unit of a wireless communication device using a remote monitoring control device, in which the wireless communication device transmits or receives a predetermined radio signal to or from a monitoring device added or attached to the host device to perform a life and death check for checking an operation, and the remote monitoring control device detects a hardware failure of the wireless communication unit of the wireless communication device on the basis of a result of the life and death check received from the wireless communication device. This makes it possible to detect a failure that cannot be detected from information obtained from a device state request to a wireless communication device of the related art.
    Type: Application
    Filed: February 17, 2021
    Publication date: April 11, 2024
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Akira MATSUSHITA, Mitsuru NISHINO, Munehiro MATSUI, Masaki SHIMA, Koichi HARADA, Hiroki SHIBAYAMA, Fumihiro YAMASHITA
  • Patent number: 11939667
    Abstract: A method for manufacturing a wavelength conversion member, includes: providing a wavelength conversion layer having a phosphor-containing portion and a light reflecting portion surrounding the phosphor-containing portion, and the wavelength conversion layer having an upper surface, a bottom surface and at least one side surface; forming a light-blocking film on the upper surface of the wavelength conversion layer; and removing a part of the light-blocking film by laser processing to expose at least a part of the phosphor-containing portion from the light-blocking film.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: March 26, 2024
    Assignee: NICHIA CORPORATION
    Inventors: Naoki Eboshi, Hiroaki Yuto, Hiroki Sakata, Toshiaki Yamashita, Akinori Hara
  • Publication number: 20240097344
    Abstract: A reflector antenna includes: a radiator that radiates a radio wave; a main reflector that reflects the radio wave radiated from the radiator in a communication direction; an expansion panel that is attached to at least a part of the main reflector to increase an area of the main reflector; and a first adjustment unit that changes a position of the radiator, or a second adjustment unit that replaces the radiator with a radiator having a different radiation angle. This configuration makes it possible to implement a large-aperture antenna having excellent transportability and operability without preparing another antenna having a large aperture and replacing a standard antenna.
    Type: Application
    Filed: December 3, 2020
    Publication date: March 21, 2024
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Koichi HARADA, Masaki SHIMA, Hiroki SHIBAYAMA, Fumihiro YAMASHITA
  • Publication number: 20240088814
    Abstract: When a DC power source fails, the following controls are performed. The normal control is resumed when an inverter input voltage recovers before a standby period elapses after a power failure time. A power source relay is turned off when the standby period elapses without recovery of the voltage. The power source relay is turned on again when a power source relay off period has elapsed from a turn-off time. The normal control is resumed when the inverter input voltage recovers at the turn-on time. The normal control is resumed when the inverter input voltage recovers before the power source relay on period elapses from the turn-on time. The power source relay is turned off, and driving of the actuator is stopped, when the power source relay on period passes without recovery of the voltage.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Inventors: Hiroki TOMIZAWA, Nobuyori NAKAJIMA, Tomoaki YOSHIMI, Toyohiro HAYASHI, Yosuke YAMASHITA, Shintaro TAKAYAMA, Yuuta KAJISAWA, Yuji FUJITA
  • Patent number: 11927244
    Abstract: When a contact area with a chain guide is reduced by a back surface of a link plate having a convex portion, a friction coefficient in a fluid lubrication region is reduced. A coating film containing 10% or more of chromium is on the link plate. A friction modifier made of a molybdenum compound and including with a lubricating oil promotes generation of MoS2 by the coating film, and prevents an increase in a friction coefficient in a boundary lubrication region.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: March 12, 2024
    Assignee: DAIDO KOGYO CO., LTD.
    Inventors: Motoki Tanaka, Satoshi Yamashita, Hiroki Nakagawa, Atsushi Hayashi
  • Publication number: 20240080536
    Abstract: An information processing apparatus (10) includes a first acquisition unit (111), a second acquisition unit (111), and an estimation unit (112). The first acquisition unit (111) acquires first sensing information obtained by capturing an image of a subject using a first sensor (20A) including a single-plate image sensor. The second acquisition unit (111) acquires second sensing information obtained by sensing a direction different from a direction of the first sensor (20A) using second sensor (20B). The estimation unit (112) estimates the spectral reflectance of the subject based on the first sensing information and the second sensing information.
    Type: Application
    Filed: January 7, 2022
    Publication date: March 7, 2024
    Inventors: HIROKI YAMASHITA, MUHAMMAD SIDDIQUI, YALCIN INCESU, TOMOKI UEDA, MASARU SUZUKI, MASAHIRO ITO
  • Publication number: 20240070920
    Abstract: Detection of a spectral distribution of a light source is simplified. An image processing device according to the present disclosure includes a specific region detection unit, a chromaticity information detection unit, and a light source spectral information generation unit. The specific region detection unit detects a specific region that is a region of an image of a specific object from an image of a subject to which light from a light source is emitted. The chromaticity information detection unit detects light source color information on the basis of a plurality of image signals of the detected specific region. The light source spectral information generation unit generates light source spectral information, which is information of a spectrum of the light source, on the basis of the detected light source color information.
    Type: Application
    Filed: January 18, 2022
    Publication date: February 29, 2024
    Inventors: Tomoki Ueda, Masahiro Ito, Masaru Suzuki, Hiroki Yamashita
  • Publication number: 20240006578
    Abstract: The present invention provides an electrode which is capable of reducing the interface resistance, while ensuring the strength of a core material by suppressing the amount of biting of an active material into the core material. An electrode according to one embodiment of the present disclosure comprises a core material, an electrode mixture that is superposed on the surface of the core material, and a conductive bonding layer that is formed between the core material and the electrode mixture: the electrode mixture comprises an active material and a fibrous binder; the active material bites into the core material; the maximum bite depth is 20% or less of the thickness of the core material; and the ratio of the density of the active material in the electrode mixture to the true density of the active material is 70% or more.
    Type: Application
    Filed: November 4, 2021
    Publication date: January 4, 2024
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Takayuki Gonjo, Reiko Izumi, Hiroki Yamashita, Norihiro Kotani
  • Patent number: 11827221
    Abstract: A vehicle including a vehicle control device is disclosed. The vehicle control device determines whether an object is a preceding vehicle and whether a brake light of the preceding vehicle is on or off. When the object is a preceding vehicle and its brake light is on, the vehicle control device transmits a braking request that instructs a braking control device to stop the vehicle at a position at which an inter-vehicle distance between the preceding vehicle and the vehicle is equal to or larger than a first distance. When the object is a preceding vehicle and its brake light is off, the vehicle control device transmits a braking request that instructs the braking control device to stop the vehicle at a position at which the inter-vehicle distance is equal to or larger than a second distance being smaller than the first distance.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: November 28, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hiroki Yamashita, Shingo Kawahara, Sumiaki Hazama, Yoshimasa Okabe
  • Publication number: 20230369569
    Abstract: This electrode includes a core material, and an electrode mixture laminated on the surface of the core material. The electrode mixture contains an active material, a conductive material, and a fibrous binding material, wherein the ratio of the density of the electrode mixture to the true density of the active material is at least 72%, and the maximum infiltration depth of the active material in the core material is at most 18% of the thickness of the core material.
    Type: Application
    Filed: September 22, 2021
    Publication date: November 16, 2023
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Norihiro Kotani, Reiko Izumi, Takayuki Gonjo, Hiroki Yamashita
  • Publication number: 20230340357
    Abstract: The present invention aims to provide a viscosity index improver composition capable of providing a lubricant composition that has an excellent viscosity index improving effect, excellent antifoaming properties, and excellent persistence of the antifoaming properties. The present invention relates to a viscosity index improver composition, containing: a (co)polymer (A) containing a monomer (a) represented by the following formula (1) as an essential monomer; a C18-C40 chain aliphatic alcohol (B); and a base oil, wherein R1 is a hydrogen atom or a methyl group; -X1- is a group represented by —O— or —NH—; R2 is a C2-C4 alkylene group; R3 and R4 are each independently a C8-C24 linear or branched alkyl group; and p is an integer of 0 to 20, with each R2 being optionally the same as or different from each other when p is 2 or greater.
    Type: Application
    Filed: August 20, 2021
    Publication date: October 26, 2023
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Nobuhiro NAITO, Hiroki YAMASHITA, Kenyuu YOSHIDA, Hiroki HAGIHARA
  • Patent number: 11795062
    Abstract: The present invention is to provide an electron or hydride ion intake/release material comprising a lanthanoid oxyhydride represented by the formula Ln(HO) (in the formula, Ln represents a lanthanoid element) or an electron or hydride ion intake/release composition comprising at least one kind of lanthanoid oxyhydride; a transition metal-supported material wherein a transition metal is supported by the above electron or hydride ion intake/release material or electron or hydride ion intake/release composition; and a catalyst comprising the transition metal-supported material. The electron or hydride ion intake/release material or electron or hydride ion intake/release composition according to the present invention has a higher ability for intake/release of electron or hydride ion than that of a conventional hydride-containing compound, and can be used effectively as a catalyst such as a catalyst having excellent ammonia synthesis activity by supporting a transition metal thereon.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: October 24, 2023
    Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Yoji Kobayashi, Hiroshi Kageyama, Hiroki Yamashita, Thibault Broux
  • Publication number: 20230323241
    Abstract: The present invention aims to provide a viscosity-index improving agent having an excellent friction reduction effect to reduce friction of a lubricating oil composition when the viscosity-index improving agent is added thereto. The present also aims to provide a lubricating oil composition containing the viscosity-index improving agent. The present invention relates to, for example, a viscosity-index improving agent containing: (co)polymer (A) containing, as an essential constituent monomer, a polyolefin-based monomer (a) represented by the following formula (1); an ester oil (B1) having a kinematic viscosity at 100° C. of 1.00 to 2.50 mm2/s; and an ester oil (B2) having a kinematic viscosity at 100° C. of 2.51 to 5.
    Type: Application
    Filed: September 14, 2021
    Publication date: October 12, 2023
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Nobuhiro NAITO, Satoshi MATSUMOTO, Masahiro HASHIMOTO, Kenyuu YOSHIDA, Hiroki YAMASHITA, Ryota SATO
  • Publication number: 20230312797
    Abstract: The present invention aims to provide a viscosity-index improving agent capable of providing a lubricating oil composition having an appropriate gelation index, an excellent HTHS viscosity at 100° C., and an excellent kinematic viscosity at 40° C. when the viscosity-index improving agent is added thereto. The present also aims to provide a lubricating oil composition containing the viscosity-index improving agent.
    Type: Application
    Filed: September 14, 2021
    Publication date: October 5, 2023
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Nobuhiro NAITO, Satoshi MATSUMOTO, Masahiro HASHIMOTO, Kenyuu YOSHIDA, Hiroki YAMASHITA, Ryota SATO
  • Publication number: 20230301082
    Abstract: According to one embodiment, a non-volatile memory device includes electrodes, an interlayer insulating film, at least one semiconductor layer, conductive layers, first and second insulating films. The electrodes are arranged in a first direction. The interlayer insulating film is provided between the electrodes. The semiconductor layer extends in the first direction in the electrodes and the interlayer insulating film. The conductive layers are provided between each of the electrodes and the semiconductor layer, and separated from each other in the first direction. The first insulating film is provided between the conductive layers and the semiconductor layer. The second insulating film is provided between each of the electrodes and the conductive layers, and extends between each of the electrodes and the interlayer insulating film adjacent to the each of the electrodes. A width of the conductive layers in the first direction is narrower than that of the second insulating film.
    Type: Application
    Filed: May 23, 2023
    Publication date: September 21, 2023
    Applicant: KIOXIA CORPORATION
    Inventor: Hiroki YAMASHITA
  • Patent number: 11753600
    Abstract: The present invention aims to provide a viscosity index improver composition and a lubricating oil composition having a low HTHS viscosity at 100° C., an excellent shear stability, and an excellent low temperature viscosity.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: September 12, 2023
    Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Ryota Sato, Hiroki Yamashita, Kazunori Yoshida