Patents by Inventor Hiroki Ito

Hiroki Ito 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: 20240146513
    Abstract: A communication system includes a user terminal that transmits and receives a message, and a server device that manages a public key and a private key, wherein the user terminal includes first processing circuitry configured to, when transmitting the message to another user terminal, acquire a public key corresponding to identification information about a recipient of the message, and encrypt the message or a file attached to the message, using the acquired public key, transmit, to the another user terminal, a message obtained by encrypting the message or the file attached to the message, and when receiving the message from the another user terminal, request the server device to decrypt the message or the file attached to the message, and receive the decrypted message or file from the server device, and the server device includes second processing circuitry configured to generate a private key corresponding to the identification information.
    Type: Application
    Filed: June 10, 2021
    Publication date: May 2, 2024
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Hiroki ITO, Shinichi HIRATA, Hideo MORI, Takeo NAGASHIMA
  • Patent number: 11972915
    Abstract: A breaking device includes an interrupting section including interrupting units in which main interrupters, impedance circuits, and unit arresters are connected in parallel to each other, the main interrupters being connected in series, a resonant circuit section including a reactor, a capacitor, and a closing switch and connected in parallel to the interrupting section, and an all-point arrester connected in parallel to the interrupting section via the reactor. The clamping voltages of the unit arresters are equal among the interrupting units, and are in the range of 1.1 to 1.6 times the value obtained by dividing the clamping voltage of the all-point arrester by the number of the interrupting units connected in series in the interrupting section.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: April 30, 2024
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Takashi Inagaki, Sho Tokoyoda, Hiroki Ito
  • Patent number: 11965556
    Abstract: A method for measuring indentation resistance includes: obtaining a first curve indicating a yield shear stress in a depth direction of a raceway surface of a material forming a rolling bearing in a state before the raceway surface is subjected to machining, a second curve indicating a static shear stress in the depth direction of the raceway surface in a state in which the raceway surface is subjected to the machining, and a third curve indicating a static shear stress in the depth direction of the raceway surface in a state in which rolling elements are in contact with the raceway surface and a static load is applied to the raceway surface; and obtaining a correlation between an area and an indentation depth of the raceway ring by defining a region surrounded by exceeding the first curve and the second curve and falling below the third curve as the area.
    Type: Grant
    Filed: April 7, 2021
    Date of Patent: April 23, 2024
    Assignee: NSK LTD.
    Inventors: Hirofumi Ito, Takahito Shimada, Masahide Natori, Hideyuki Hidaka, Hayato Ishigami, Hiroki Komata
  • Patent number: 11963459
    Abstract: A switching device according to an embodiment includes a switching layer disposed between a first electrode and a second electrode. The switching layer contains a material containing a first cation element Z, Te, and N. This material contains at least 5 atomic % or more of each of Z, Te, and N, and when an atomic ratio of Te is X, an atomic ratio of N is Y, an atomic ratio of Z is W, a ratio of Z2Te3 to ZN on a straight line connecting a compound of the first cation element Z with tellurium and nitride of the first cation element Z in a ternary phase diagram of Z, Te, and N is A, and a change in an N content from the Z2Te3—ZN line is B, the material has a composition satisfying X=1.2 (1?A) (0.5+B), Y=A (0.5+B), and W=1?X?Y, where ?0.06?B?0.06 is satisfied when ?>A and ¾<A, and ?0.06?B and Y?0.45 are satisfied when ??A?¾.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: April 16, 2024
    Assignee: Kioxia Corporation
    Inventors: Hiroshi Takehira, Katsuyoshi Komatsu, Tadaomi Daibou, Hiroki Kawai, Yuichi Ito
  • Patent number: 11941919
    Abstract: A ticket issuing system has a processor and a storage with instructions thereon. The storage stores a feature value table that associates and stores feature value data including feature information pertaining to biometric information and a feature ID for identifying the feature value data. The instructions upon execution by the processor, cause the processor to: acquire user feature information pertaining to biometric information of a user of a ticket to be issued; identify, from among the feature value data stored in the feature value table, similar feature value data for which a similarity with the user feature information satisfies a predetermined criterion to obtain a feature ID corresponding to the similar feature value data; and issue a ticket on which authentication information that includes the feature ID corresponding to the similar feature value data is recorded.
    Type: Grant
    Filed: November 24, 2021
    Date of Patent: March 26, 2024
    Assignee: PLAYGROUND CO., LTD.
    Inventors: Keiji Ito, Hiroki Miyanishi
  • Patent number: 11942242
    Abstract: A wiring member includes a wiring body and a pattern. The wiring body includes a plurality of wire-like transmission members and a base material. The plurality of wire-like transmission members are fixed to the base material in an aligned state, and the pattern is provided on the wiring body. The pattern makes a two-dimensional position of at least a part of a portion related to the base material recognizable in the wiring body.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: March 26, 2024
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Suguru Yasuda, Haruka Nakano, Motohiro Yokoi, Kenta Ito, Hiroki Hirai, Makoto Higashikozono, Koichiro Goto, Junichi Shirakawa, Yoshitaka Kami, Yasushi Nomura, Sofia Barillaro
  • Patent number: 11941549
    Abstract: The management device of an autonomous driving vehicle includes a congestion rate calculation unit and a waiting place setting unit. The congestion rate calculation unit is able to calculate the congestion rate of a parking lot adjoining each of a plurality of commercial facilities. In a case where the congestion rate of a neighbor parking lot, or a parking lot in the neighborhood of a boarding place contained in reservation information for an autonomous driving vehicle reserved for dispatch, during a waiting time period before the scheduled boarding time, is less than a congestion threshold, the waiting place setting unit sets the neighbor parking lot as a waiting place for the autonomous driving vehicle to wait during the waiting time period.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: March 26, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shin Sakurada, Katsuya Hoshi, Hiroaki Sugiyama, Masahisa Sawada, Hiroyuki Ito, Makoto Segi, Hiroki Hattori
  • Patent number: 11927658
    Abstract: Appropriate processing is executed in a method for excluding body motion data and image reconstruction according to a type and a characteristic of a body motion, so as to reduce an influence of the body motion, and prevent deterioration of image quality caused by exclusion of data generated during the body motion. An MRI apparatus includes a processing determination unit that collects k-space data and acquires body motion information from a sensor capable of detecting not only a respiratory motion but also general body motions, analyzes the body motion information obtained by the sensor, and branches and executes processing for subsequent data collection and image reconstruction according to the analysis result.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: March 12, 2024
    Assignee: FUJIFILM Healthcare Corporation
    Inventors: Hiroki Shoji, Kosuke Ito, Hikaru Hanada
  • Patent number: 11927024
    Abstract: A binding machine includes: a wire feeding unit configured to feed a wire; a curl forming unit configured to form a feeding path of the wire along which the wire fed in a first direction by the wire feeding unit is wound around an object; and a binding unit configured to twist the wire fed in first direction by the wire feeding unit and wound on the object. The wire feeding unit includes a pair of feeding members configured to sandwich the wire and to feed the wire by a rotating operation, and a feeding motor configured to drive the feeding members. The binding machine further includes a control unit configured to control the wire feeding unit. The control unit is configured to control the wire feeding unit to enable the wire sandwiched by the feeding members to be discharged from the feeding members.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: March 12, 2024
    Assignee: Max Co., Ltd.
    Inventors: Kouichirou Morimura, Yusuke Yoshida, Takahiro Ito, Hiroki Ishiguro
  • 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: 20240077515
    Abstract: The purpose of the present invention is to provide a speed measurement device with which it is possible to accurately identify the highest travel speed of a work machine using the result of measurement by an acceleration sensor. The speed measurement device according to the present invention: detects, from within a record of the travel acceleration of a work machine, a change point at which the work machine transitions from an accelerating state to a steady travel state; and identifies the highest travel speed from a record of the travel speed in a period later than the change point.
    Type: Application
    Filed: August 2, 2022
    Publication date: March 7, 2024
    Inventors: Hiroki ITO, Tien Trien LE, Shogo KUNIOKA, Tomoaki SHINPO, Hiroshi TSUKUI
  • Publication number: 20240071149
    Abstract: The purpose of the present invention is to provide a performance diagnostic device capable of diagnosing deterioration in performance of a work machine while taking into account the effects of the amount of load and the characteristics of the site where the work machine operates. A performance diagnostic device according to the present invention uses a reference performance model generated for each combination of the type of operation performed by a work machine, the amount of load, operation details, and site characteristics to diagnose the deterioration in performance of the work machine.
    Type: Application
    Filed: April 6, 2022
    Publication date: February 29, 2024
    Inventors: Tien Trien LE, Shogo KUNIOKA, Hiroshi TSUKUI, Hiroki 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
  • Patent number: 11912308
    Abstract: An autonomous vehicle allows passengers to transfer from a passenger vehicle, which is a relatively large vehicle, to the autonomous vehicle. The autonomous vehicle is provided with an autonomous travel control unit (steering control unit) configured to, when the passenger vehicle is stopped, cause the autonomous vehicle to pull up alongside the passenger vehicle such that an entrance (second entrance) of the autonomous vehicle is placed next to an entrance (first entrance) of the passenger vehicle.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: February 27, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shin Sakurada, Katsuya Hoshi, Hiroaki Sugiyama, Masahisa Sawada, Hiroyuki Ito, Makoto Segi, Hiroki Hattori
  • Patent number: 11870792
    Abstract: An abnormal traffic analysis apparatus includes receiving means for receiving traffic from a device via any of a plurality of communication paths in which different communication methods are used, multiple communication management means for identifying a communication path through which the traffic is transmitted, analysis method determination means for determining an analysis algorithm for detecting abnormality of the traffic according to the communication path identified by the multiple communication management means, analysis means for analyzing whether or not the traffic is abnormal traffic by using the analysis algorithm determined by the analysis method determination means, and analysis result recording means for recording a result of analysis performed by the analysis means.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: January 9, 2024
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takafumi Harada, Gembu Morohashi, Hiroki Ito
  • Publication number: 20230415614
    Abstract: A seat includes a seat frame, a pad body, and a power generation device. The pad body covers the seat frame. The power generation device is arranged on an occupant-side of the pad body and generates electric power from vibrations. The seat may further include an outer covering that covers the pad body. The power generation device may be located between the pad body and the outer covering.
    Type: Application
    Filed: September 8, 2023
    Publication date: December 28, 2023
    Inventors: Takayoshi ITO, Minako OYA, Akira MIYOSHI, Hiroki ITO
  • Publication number: 20230418147
    Abstract: A lens apparatus includes a first optical system, a second optical system disposed in parallel with the first optical system, and a lens mount attachable to a camera body. Each of the first optical system and the second optical system has a first optical axis, a second optical axis, and a third optical axis in order from an object side to an image side. A distance between the first optical axis of the first optical system and the first optical axis of the second optical system is longer than a diameter of the lens mount, and a distance between the third optical axis of the first optical system and the third optical axis of the second optical system is shorter than the diameter of the lens mount.
    Type: Application
    Filed: September 13, 2023
    Publication date: December 28, 2023
    Inventors: Taro Murakami, Takumi Uehara, Hiroki Ito, Atsuto Noda
  • Patent number: 11796906
    Abstract: A lens apparatus includes a first optical system, a second optical system disposed in parallel with the first optical system, and a lens mount attachable to a camera body. Each of the first optical system and the second optical system has a first optical axis, a second optical axis, and a third optical axis in order from an object side to an image side. A distance between the first optical axis of the first optical system and the first optical axis of the second optical system is longer than a diameter of the lens mount, and a distance between the third optical axis of the first optical system and the third optical axis of the second optical system is shorter than the diameter of the lens mount.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: October 24, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Taro Murakami, Takumi Uehara, Hiroki Ito, Atsuto Noda
  • Publication number: 20230308627
    Abstract: A lens apparatus includes a first optical system, a second optical system, a first focus adjusting unit configured to simultaneously adjust focus of the first optical system and the second optical system, and a second focus adjusting unit configured to adjust a relative shift of focus positions of the first optical system and the second optical system. The first focus adjusting unit is connected to both the first optical system and the second optical system. The second focus adjusting unit is connected to one of the first optical system and the second optical system.
    Type: Application
    Filed: August 30, 2022
    Publication date: September 28, 2023
    Inventors: Hiroki Ito, Yosuke Fukai, Kiyoshi Nitto, Taro Murakami, Atsuto Noda, Takumi Uehara
  • Publication number: 20230264382
    Abstract: A method of producing a wood-based material that is modified is provided. Specifically, there is provided a method of producing a wood-based material, comprising 1) a step of impregnating a wood-based material with a furan derivative resinification solution that comprises a furan derivative, an inorganic salt inhibiting polymerization of the furan derivative at normal temperature, and an inorganic salt accelerating polymerization of the furan derivative; and 2) a step of polymerizing the furan derivative in the furan derivative resinification solution impregnated into the wood-based material within the wood-based material by means of heating.
    Type: Application
    Filed: July 27, 2021
    Publication date: August 24, 2023
    Inventors: Takafumi ITOH, Hisashi MIYAFUJI, Yuzo FURUTA, Keisuke KOJIRO, Hiroaki HORIYAMA, Yukari OTSUKA, Fujio OHARA, Hiroki ITO, Yoshiko YAMAZAKI