Patents by Inventor Toshihiro Shimizu

Toshihiro Shimizu 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: 11992980
    Abstract: Disclosed herein are a foamed resin molded body that has excellent impact resistance and rigidity and that is hardly fractured even when subjected to high impact, and a method for manufacturing the same. The foamed resin molded body is made of an olefin-based resin composition containing an olefin resin and a polyamide resin, the olefin-based resin composition has a continuous phase containing the olefin resin and a dispersed phase dispersed in the continuous phase and containing the polyamide resin, and the dispersed phase contains a melt-kneaded product of the polyamide resin and an elastomer having a reactive group that reacts with the polyamide resin.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: May 28, 2024
    Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventors: Masayuki Kito, Goro Takahashi, Toshihiro Suzuki, Yasuyuki Shimizu, Kosuke Tamaki
  • Patent number: 11979684
    Abstract: There is provided a content distribution device including a virtual character arrangement acquisitor that acquires an arrangement in a virtual space of each of a plurality of virtual characters respectively corresponding to a plurality of participants in accordance with an operation of a corresponding participant, a trigger detector that detects a first trigger and thereafter detects a second trigger, and a display control data distributor that generates and distributes display control data for displaying at least a part of the virtual space in which the plurality of virtual characters is arranged.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: May 7, 2024
    Assignee: DWANGO Co., Ltd.
    Inventors: Nobuo Kawakami, Takashi Kojima, Hiroaki Saito, Toshihiro Shimizu
  • Publication number: 20240113440
    Abstract: The invention is directed to a slot antenna including; a slot, that is an opening having a slit shape, formed at a plane metal sheet which is a part of a vehicle body; an electric power supply portion that is disposed at a vicinity of the slot, and that supplies electric power to the slot; and a cover that is provided to cover the opening or a slot antenna including; a cover that is provided to cover an opening provided at a metal sheet constituting an outer plate of a vehicle, wherein the cover is made of a dielectric material; and a conductor pattern formed on the cover, wherein the conductor pattern forms a slot.
    Type: Application
    Filed: March 27, 2023
    Publication date: April 4, 2024
    Applicant: DENSO TEN Limited
    Inventors: Shota OGAWA, Toshihiro SHIMIZU
  • Patent number: 11938731
    Abstract: A substrate, a diaphragm, and a piezoelectric actuator are laminated in this order in a first direction, the diaphragm includes a first layer containing silicon as a constituent element, a second layer disposed between the first layer and the piezoelectric actuator, and containing any one or both of at least one metal element selected from the group made of chromium, titanium, aluminum, tantalum, hafnium, and iridium, and silicon nitride, as a constituent element, and a third layer disposed between the second layer and the piezoelectric actuator and containing zirconium as a constituent element, and a fourth layer containing any one or both of at least one metal element selected from the group made of chromium, titanium, aluminum, tantalum, hafnium, and iridium, and silicon nitride, as a constituent element is provided on the third layer on a piezoelectric actuator side.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: March 26, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Harunobu Koike, Masao Nakayama, Toshihiro Shimizu, Yasushi Yamazaki, Osamu Tonomura, Tatsuo Sawasaki, Chihiro Nishi
  • Patent number: 11858270
    Abstract: A liquid ejection head includes: a piezoelectric body; an vibration plate to be vibrated by a drive of the piezoelectric body; and a pressure chamber substrate including a pressure chamber which applies a pressure to a liquid by an vibration of the vibration plate; the pressure chamber substrate, the vibration plate, and the piezoelectric body are laminated in this order; and the vibration plate includes: a first layer containing silicon as a constituent element, a second layer which is disposed between the first layer and the piezoelectric body and which contains as a constituent element, a metal element selected from chromium, titanium, and aluminum, and a third layer which is disposed between the second layer and the piezoelectric body and which contains zirconium as a constituent element.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: January 2, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Toshihiro Shimizu, Harunobu Koike, Takanori Aimono, Masao Nakayama, Tatsuo Sawasaki, Chihiro Nishi, Noritaka Mochizuki, Yasushi Yamazaki, Osamu Tonomura
  • Publication number: 20230339229
    Abstract: A liquid ejecting head includes a piezoelectric element and a vibrating plate configured to vibrate in response to actuation of the piezoelectric element, the vibrating plate including a first layer that contains SiO2 and a second layer that contains ZrO2 and that is stacked on the first layer. The second layer contains a first impurity element different from Zr, and the concentration of the first impurity element at an interface in contact with the first layer in the second layer is higher than the concentration of the first impurity element in an internal region that is included in the second layer and that is contiguous from the interface to the surface of the second layer.
    Type: Application
    Filed: June 27, 2023
    Publication date: October 26, 2023
    Inventors: Harunobu KOIKE, Tatsuo SAWASAKI, Masao NAKAYAMA, Chihiro NISHI, Toshihiro SHIMIZU, Yasushi YAMAZAKI
  • Publication number: 20230342847
    Abstract: According to an aspect of the embodiment, a non-transitory computer-readable recording medium stores a program for causing a computer to execute a process, the process includes generating a first graph which has a plurality of nodes and in which a lower limit constraint and a first upper limit constraint are set to an edge that connects each node, generating a second graph by reducing the lower limit constraint and the first upper limit constraint set in the first graph to a second upper limit constraint only, setting a flow rate on each edge in the second graph by solving a maximum flow problem of the second graph, converting the flow rate set to each edge in the second graph into a flow rate set to each edge in the first graph, and identifying an execution price based on the flow rate set to each edge in the first graph.
    Type: Application
    Filed: January 26, 2023
    Publication date: October 26, 2023
    Applicant: Fujitsu Limited
    Inventor: Toshihiro Shimizu
  • Patent number: 11766864
    Abstract: A liquid ejecting head includes a piezoelectric element and a vibrating plate configured to vibrate in response to actuation of the piezoelectric element, the vibrating plate including a first layer that contains SiO2 and a second layer that contains ZrO2 and that is stacked on the first layer. The second layer contains a first impurity element different from Zr, and the concentration of the first impurity element at an interface in contact with the first layer in the second layer is higher than the concentration of the first impurity element in an internal region that is included in the second layer and that is contiguous from the interface to the surface of the second layer.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: September 26, 2023
    Assignee: Seiko Epson Corporation
    Inventors: Harunobu Koike, Tatsuo Sawasaki, Masao Nakayama, Chihiro Nishi, Toshihiro Shimizu, Yasushi Yamazaki
  • Patent number: 11748809
    Abstract: A non-transitory computer-readable recording medium stores a trading program for causing a computer to execute a process including: acquiring a number of sell orders for each of sell limits and a number of buy orders for each of buy limits; executing one of pairings of one of the sell orders and one of the buy orders in which one of the sell limits of the one of the sell orders is equal to or lower than one of the buy limits of the one of the buy orders, among the pairings of the sell orders and the buy orders, based on the acquired number of the sell orders for each of the sell limits and the acquired number of the buy orders for each of the buy limits; and resolving an execution price for each of executions.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: September 5, 2023
    Assignee: FUJITSU LIMITED
    Inventors: Toshihiro Shimizu, Akihito Nakamura, Motohiro Kosaki, Akihiro Kuwabara
  • Publication number: 20230268936
    Abstract: An information processing device coupled to a first switch among a plurality of switches and included in a plurality of information processing devices includes: a memory; and a processor coupled to the memory and configured to: store, in the memory, communication destination information based on a plurality of bit strings related to communication destinations of collective communication; and communicate with an information processing device connected to a second switch among the plurality of switches on a basis of the communication destination information. Some information processing devices that include the information processing device among the plurality of information processing devices participate in the collective communication, and the plurality of bit strings is selected from a bit string set related to the communication destinations of the plurality of information processing devices on a basis of the number of the some information processing devices.
    Type: Application
    Filed: December 6, 2022
    Publication date: August 24, 2023
    Applicant: Fujitsu Limited
    Inventor: Toshihiro SHIMIZU
  • Patent number: 11731417
    Abstract: A liquid ejecting apparatus includes: a liquid ejecting head that includes a flow path formation substrate in which a pressure chamber communicating with a nozzle is formed, a vibration plate, and a piezoelectric actuator having a first electrode, a piezoelectric layer, and a second electrode; and a drive unit that supplies a drive signal for driving the piezoelectric actuator, in which the piezoelectric actuator includes an active portion, the active portion is extended from an edge portion, which is a region other than a central portion of a region facing the pressure chamber, to the outside of the pressure chamber, and the drive signal includes a contraction element that contracts the pressure chamber from a reference volume of the pressure chamber when no electric field is applied to the piezoelectric layer, and an expansion element that expands the pressure chamber contracted by the contraction element.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: August 22, 2023
    Inventors: Toshihiro Shimizu, Koji Sumi
  • Patent number: 11701885
    Abstract: The interface region may include a region in which first intensity is higher than second intensity and in which the first intensity is higher than third intensity, where a degree of orientation of the (?211) crystal face of the second layer is denoted as the first intensity, the degree of orientation of the (?111) crystal face of the second layer is denoted as the second intensity, and the degree of orientation of the (002) crystal face of the second layer is denoted as the third intensity. The surface-layer region may include a region in which the first intensity is higher than the third intensity and in which the second intensity is higher than the third intensity.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: July 18, 2023
    Assignee: Seiko Epson Corporation
    Inventors: Harunobu Koike, Masao Nakayama, Toshihiro Shimizu, Yasushi Yamazaki
  • Patent number: 11691416
    Abstract: An electric current based on electric charge produced on the piezoelectric body changes by going through a first path, a second path, a third path, and a fourth path in this order. On the first path, the electric current becomes larger as the voltage becomes higher. On the second path, the electric current becomes smaller as the voltage becomes higher. On the third path, the electric current becomes larger as the voltage becomes higher. On the fourth path, the electric current becomes smaller as the voltage becomes higher.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: July 4, 2023
    Inventors: Yasuaki Hamada, Shunsuke Yoshida, Yasuhiro Itayama, Toshihiro Shimizu, Masao Nakayama
  • Publication number: 20230210011
    Abstract: A piezoelectric element includes: a first electrode; an oxide layer formed on the first electrode; a piezoelectric layer formed on the oxide layer and containing potassium, sodium, and niobium; and a second electrode formed on the piezoelectric layer. When a potential difference of 10 V is applied between the first electrode and the second electrode, a current density of a leak current differs by 10,000 times or more between a case in which the first electrode is set at a high potential and a case in which the second electrode is set at a high potential.
    Type: Application
    Filed: December 21, 2022
    Publication date: June 29, 2023
    Inventors: Yasuaki HAMADA, Tomohiro SAKAI, Toshihiro SHIMIZU, Masao NAKAYAMA
  • Publication number: 20230202173
    Abstract: A piezoelectric substrate includes: a substrate; a first electrode formed on the substrate; and a piezoelectric layer formed on the first electrode and containing potassium, sodium, and niobium. A full width at half maximum of an X-ray intensity peak on a plane (100) of the piezoelectric layer in a Psi axis-direction scan result of an X-ray diffraction measurement in which a surface of the piezoelectric layer is irradiated with X-rays at an angle of 54.74° from a direction perpendicular to the surface is more than 0° and 1.2° or less.
    Type: Application
    Filed: December 21, 2022
    Publication date: June 29, 2023
    Inventors: Yasuaki HAMADA, Tomohiro SAKAI, Toshihiro SHIMIZU, Masao NAKAYAMA
  • Patent number: 11631002
    Abstract: An information processing device includes: a processor configured to: calculate a combination of t and q minimizing a computation time when q computation cores compute convolution between first matrices and second matrices of t-row t-column with Winograd algorithm in parallel, where a total number of elements of the first and second matrices does not exceed a number of sets of data that can be stored in each of q storage areas of a register, and the q computation cores correspond to the q storage areas; and output a program for causing a computing machine including the q computation cores and the register to execute a process including: storing the first and second matrices in each of the q storage areas with a calculated combination of t and q, and computing convolution between the first matrix and the second matrix with the Winograd algorithm by each of the q computation cores.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: April 18, 2023
    Assignee: FUJITSU LIMITED
    Inventor: Toshihiro Shimizu
  • Publication number: 20230114403
    Abstract: A non-transitory computer-readable recording medium stores a program for causing a computer to execute a process, the process includes setting, based on a sell order count included in information on a sell order, a first array that has elements corresponding to a first section of sell order counts with which a contract is available and a second section of sell order counts with which a contract is unavailable, setting, based on a buy order count included in information on a buy order, a second array that has elements corresponding to a third section of buy order counts with which a contract is available and a fourth section of buy order counts with which a contract is unavailable, and identifying sell orders and buy orders to be contract targets based on the information set in the first array and the second array.
    Type: Application
    Filed: July 29, 2022
    Publication date: April 13, 2023
    Applicant: FUJITSU LIMITED
    Inventors: Toshihiro Shimizu, Akihito Nakamura, Akihiro Kuwabara, Motohiro Kosaki
  • Publication number: 20230110309
    Abstract: A non-transitory computer-readable recording medium stores a program for causing a computer to execute a process, the process includes acquiring order information including at least a sell order count for each sell limit price, a buy order count for each buy limit price, a money amount designation sell order of designating a total amount of sell prices, and a money amount designation buy order of designating a total amount of buy prices, calculating, for each first/second price in sell/buy orders, a first/second contract-available count based on a sell/buy order count with the sell/buy limit price equal to or higher/lower than the first/second price and a quantity for selling/buying in the total amount designated by the money amount designation sell/buy order at the first/second price, and determining a contract price based on the calculated first and second contract-available counts for each price.
    Type: Application
    Filed: July 8, 2022
    Publication date: April 13, 2023
    Applicant: FUJITSU LIMITED
    Inventors: Toshihiro Shimizu, Akihito Nakamura, Akihiro Kuwabara, Motohiro Kosaki
  • Patent number: 11625858
    Abstract: A rear-facing camera captures a live-action video image while a front-facing camera captures an image of a distributor. An avatar controller controls an avatar based on the image of the distributor captured by the front-facing camera. A synthesizer arranges the avatar in a predetermined position of a real space coordinate system and synthesizes the avatar with the live-action video image. The face of the distributor captured by the front-facing camera is tracked and reflected on the avatar.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: April 11, 2023
    Assignee: Dwango Co., Ltd.
    Inventors: Nobuo Kawakami, Shinnosuke Iwaki, Takashi Kojima, Toshihiro Shimizu, Hiroaki Saito
  • Patent number: 11607883
    Abstract: A piezoelectric device includes a piezoelectric body, a vibration plate that vibrates when the piezoelectric body is driven, a first electrode positioned between the piezoelectric body and the vibration plate, and a second electrode positioned to be separated from the first electrode by the piezoelectric body. The piezoelectric body has an active portion that is a part sandwiched between the first electrode and the second electrode in a first direction along a thickness direction of the piezoelectric body, and a change width of a dC/dV value, which represents a change in capacitance with respect to a change in a voltage applied along a second direction orthogonal to the first direction, from one end of the active portion on a side of the first electrode to the other end of the active portion on a side of the second electrode in the first direction is 10% or less.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: March 21, 2023
    Assignee: Seiko Epson Corporation
    Inventor: Toshihiro Shimizu