Patents by Inventor Takahiro Katayama

Takahiro Katayama 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: 11496013
    Abstract: A rotating electrical machine stator and a method for manufacturing a rotating electrical machine stator with high productivity. A rotating electrical machine stator includes a stator core having a slot; and a coil having a leg part including a held-in-slot part held in the slot and a portion extending from the held-in-slot part, and a resin foam is provided between an inner surface of the slot and an outer surface of the held-in-slot part facing the inner surface of the slot. The coil is formed by joining together a plurality of segment conductors each having a joint part, and a conductive joint material is disposed between a pair of joint parts facing each other in the slot.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: November 8, 2022
    Assignee: AISIN CORPORATION
    Inventors: Kiyotaka Koga, Tomotsugu Sugihara, Tetsuya Funayama, Shinya Katayama, Takahiro Kobuchi
  • Patent number: 11438890
    Abstract: A wireless communication method is executed by a wireless communication system including one or more wireless terminals and a wireless communication apparatus. The wireless communication apparatus generates wireless scheme schedule information, which is information related to a schedule of a slot allocated to an uplink signal and a downlink signal of a predetermined wireless scheme, generates a downlink signal to be transmitted in the slot to the wireless terminal based on the wireless scheme schedule information, and transmits a beacon signal including the wireless scheme schedule information in the slot. The wireless terminal receives the beacon signal, in the slot, acquires the wireless scheme schedule information from the beacon signal, and generates an uplink signal to be transmitted in the slot to the wireless communication apparatus, based on the wireless scheme schedule information.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: September 6, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yohei Katayama, Atsushi Taniguchi, Kenji Shimizu, Takahiro Yamazaki, Maiko Naya
  • Patent number: 11432179
    Abstract: An environmental information acquisition method is performed by an environmental information acquisition apparatus that acquires a measurement result of a radio wave environment. The environmental information acquisition method includes distributing software of each radio scheme to one or more base station apparatuses measuring a radio wave environment of the radio scheme based on the software of the radio scheme, instructing the one or more base station apparatuses to measure the radio wave environment, and acquiring the measurement result of the radio wave environment from the one or more base station apparatuses measuring based on the software the radio wave environment in multiple sections set across an area.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: August 30, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Maiko Naya, Kenji Shimizu, Takahiro Yamazaki, Atsushi Taniguchi, Yohei Katayama
  • Patent number: 11419113
    Abstract: There is provided a wireless communication method in a wireless communication system including a plurality of base station apparatuses, a plurality of wireless signal processing apparatuses configured to perform signal processing that corresponds to each of a plurality of wireless schemes, and a control apparatus configured to control a transmission timing of signals in the base station apparatus and the wireless signal processing apparatus, the method including: determining a combination of the base station apparatus and the wireless signal processing apparatus that perform communication at each predetermined time by the control apparatus such that there is less overlap in time to establish a communication path between the wireless signal processing apparatus and each of a plurality of base station apparatuses that use the same wireless signal processing apparatus, in which the base station apparatus and the wireless signal processing apparatus perform communication by switching a determined combination of t
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: August 16, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yohei Katayama, Atsushi Taniguchi, Kenji Shimizu, Takahiro Yamazaki, Maiko Naya
  • Publication number: 20220251461
    Abstract: The present invention relates to a saturated aliphatic hydrocarbon compound composition having an evaporation loss of 4% by mass or less as determined by the Noack method, a kinetic viscosity at 100° C. of 6.5 mm2/s or less, and an average carbon number of 36 to 44, to a lubricating oil composition containing the saturated aliphatic hydrocarbon compound composition, and to a method for producing a saturated aliphatic hydrocarbon compound composition, including: a step 1 of oligomerizing an olefin to obtain an olefin oligomer; a step 2 of isomerizing the olefin oligomer to obtain an isomer; and a step 3 of hydrogenating the isomer.
    Type: Application
    Filed: July 20, 2020
    Publication date: August 11, 2022
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Kiyohiko YOKOTA, Kiyokazu KATAYAMA, Kanako SAMEJIMA, Narinobu KAGAMI, Kouta OBA, Naoyuki UEDA, Takahiro SAKAGUCHI
  • Publication number: 20220251622
    Abstract: A method for producing an objective protein using animal cells as an expression host is provided. The objective protein is produced by culturing animal cells having an objective protein-producing ability under conditions where the phosphoric acid concentration and/or the potassium concentration in the culture medium is increased.
    Type: Application
    Filed: April 27, 2022
    Publication date: August 11, 2022
    Applicant: AJINOMOTO CO., INC.
    Inventors: Yasumichi Koseki, Takahiro Katayama, Yusuke Ooya, Fumi Ogata, Kiyoshi Hirakawa, Takuya Higuchi
  • Patent number: 11412445
    Abstract: An access point management method for managing a plurality of access points capable of providing wireless communication services in accordance with a plurality of wireless standards to a radio terminal apparatus includes acquiring plural pieces of request information which are used for requesting providing of the wireless communication service and include information indicating an area in which the wireless communication service is provided, selecting the access point assigned to each wireless communication service, based on the area requested by the plural pieces of request information acquired and characteristics of a wireless standard provided in the wireless communication service, and transmitting a request signal for deploying the wireless communication service corresponding to the request information, to the access point selected.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: August 9, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takahiro Yamazaki, Kenji Shimizu, Atsushi Taniguchi, Yohei Katayama, Maiko Naya
  • Patent number: 11395324
    Abstract: This invention provides a radio communication method in a radio communication system including a base station apparatus and a radio signal processing apparatus for communicating with the base station apparatus, the radio communication method including granting radio control information that includes at least information specifying a radio scheme to be used as a parameter required for radio communication, to a packet and transmitting the packet from which the radio control information has been removed, by the radio scheme specified by the radio control information granted to the packet.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: July 19, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yohei Katayama, Atsushi Taniguchi, Kenji Shimizu, Takahiro Yamazaki, Maiko Naya, Takashi Shimizu
  • Patent number: 11357847
    Abstract: The modified HSV gD protein of the present invention is a modified protein of a herpes simplex virus (HSV) envelope glycoprotein D (gD), wherein the modified HSV gD protein is derived from a wild-type HSV gD by modification of at least one of B cell epitopes having low or no neutralizing antibody-inducing activity compared to a B cell epitope present in a receptor-binding domain (RBD) (decotopes) in the ectodomain of the wild-type HSV gD, so that the modified epitope does not function as an epitope.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: June 14, 2022
    Assignee: KM BIOLOGICS CO., LTD.
    Inventors: Hiroaki Mori, Tomohiro Nishimura, Hiroyuki Shimizu, Akihiro Koube, Takahiro Katayama
  • Publication number: 20220023416
    Abstract: An object of the present invention is to provide an effective vaccine capable of preventing and treating congenital infection with CMV. The vaccine for preventing or treating congenital infection with cytomegalovirus (CMV) according to the present invention comprises a CMV envelope glycoprotein B (gB protein) antigen and a pentamer antigen.
    Type: Application
    Filed: December 6, 2019
    Publication date: January 27, 2022
    Inventors: Masaharu TORIKAI, Hiroaki MORI, Tomohiro NISHIMURA, Takahiro KATAYAMA, Kohsuke HAZEYAMA, Miyuki MATSUMOTO, Hiroyuki SHIMIZU, Naoki INOUE
  • Patent number: 11136344
    Abstract: A purification agent which includes a compound having a betaine structure, and which is for a sugar chain having a length equal to or longer than that of a monosaccharide or for a glycopeptide having a sugar chain having a length equal to or longer than that of a monosaccharide.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: October 5, 2021
    Assignee: SUMITOMO BAKELITE CO., LTD.
    Inventors: Masaaki Toyoda, Takayuki Matsumoto, Midori Sakaguchi, Takahiro Katayama
  • Publication number: 20210205441
    Abstract: The modified HSV gD protein of the present invention is a modified protein of a herpes simplex virus (HSV) envelope glycoprotein D (gD), wherein the modified HSV gD protein is derived from a wild-type HSV gD by modification of at least one of B cell epitopes having low or no neutralizing antibody-inducing activity compared to a B cell epitope present in a receptor-binding domain (RBD) (decotopes) in the ectodomain of the wild-type HSV gD, so that the modified epitope does not function as an epitope.
    Type: Application
    Filed: August 29, 2018
    Publication date: July 8, 2021
    Inventors: Hiroaki MORI, Tomohiro NISHIMURA, Hiroyuki SHIMIZU, Akihiro KOUBE, Takahiro KATAYAMA
  • Publication number: 20210129206
    Abstract: A heat pipe structure includes a base block including a rear surface part thermally connectable to a heat generating body and a heat pipe fixed to a front surface part of the base block and including a heat receiving tubular portion disposed along an in-plane direction of the base block. The base block has a longitudinal direction and a width direction and includes a recessed part in which the heat receiving tubular portion is housed and a pair of wall parts projecting along an outer circumferential surface of the heat receiving tubular portion from width direction both sides of the recessed part, and a container of the heat pipe is caulked and fixed by the recessed part and the pair of wall parts and includes a projecting shape part projecting in a direction opposite to a direction of the caulking between distal end portions of the pair of wall parts.
    Type: Application
    Filed: December 22, 2020
    Publication date: May 6, 2021
    Applicant: Furukawa Electric Co., Ltd.
    Inventors: Chiyoshi SASAKI, Masakazu ISEMURA, Takahiro KATAYAMA
  • Publication number: 20200216484
    Abstract: A purification agent which includes a compound having a betaine structure, and which is for a sugar chain having a length equal to or longer than that of a monosaccharide or for a glycopeptide having a sugar chain having a length equal to or longer than that of a monosaccharide.
    Type: Application
    Filed: October 31, 2018
    Publication date: July 9, 2020
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventors: Masaaki Toyoda, Takayuki Matsumoto, Midori Sakaguchi, Takahiro Katayama
  • Publication number: 20170192549
    Abstract: Driving of a stylus pen is satisfactorily controlled even when the touch panel controller and the stylus pen are not connected through a wire. A touch panel (2) is driven by a touch panel controller (4), and is given with an input operation from a stylus pen (3) that is able to transmit and receive information to and from the touch panel controller (4) via wireless communication. The touch panel controller (4) includes a timing generator (14) that generates a synchronization signal to synchronize drive timing of the stylus pen (3) and drive timing of the touch panel (2) with each other, and an information signal generating unit (19) that generates an information signal representing a drive state of the touch panel (2). The information signal is transferred from the touch panel controller (4) to the stylus pen (3) subsequent to the synchronization signal.
    Type: Application
    Filed: May 18, 2015
    Publication date: July 6, 2017
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Takahiro KATAYAMA, Michiaki TAKEDA, Mamoru TAKAYA
  • Patent number: 9650061
    Abstract: A hand cart capable of satisfying walking stabilization and facilitation of carrying articles according to a movement mode includes a control section operable, based on a rotational angle of a wheel section, to calculate a movement distance and a traveling direction, and, according to the traveling direction and the inclination angle, to execute an assist control of causing a wheel driving section to generate a driving torque for assist force or braking torque for braking force, wherein the control section is operable, based on a movement distance and the inclination angle, to calculate an angular change rate of the inclination angle, and, when a contact with a grip member is detected, and the angular change rate is equal to or less than a given threshold, to execute the assist control.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: May 16, 2017
    Assignee: RT. WORKS CO., LTD.
    Inventors: Takahiro Katayama, Atsushi Koujina
  • Publication number: 20170123568
    Abstract: Sensitivity of a stylus pen to a touch panel is stabilized. The stylus pen (3) includes a pen tip (31) which is provided to be movable in an axial direction in accordance with a writing pressure and a writing pressure sensor (31d) which generates a signal corresponding to the amount of movement of the pen tip (31). A threshold updating circuit (40) is provided to update a threshold for determining, by the writing pressure sensor (31d), presence or absence of the writing pressure on the basis of a distance between the stylus pen (3) and the touch panel.
    Type: Application
    Filed: June 22, 2015
    Publication date: May 4, 2017
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Michiaki TAKEDA, Takahiro KATAYAMA, Mamoru TAKAYA
  • Publication number: 20170108984
    Abstract: Provided is a touch panel system capable of minimizing the possibility of a stylus pen failing to detect a synchronization signal. A touch panel controller (4) in the touch panel system generates a preparation signal including a high state and a low state that acts as a reference for adjusting the reception sensitivity of the synchronization signal in the stylus pen, and outputs the preparation signal to the touch panel earlier than the timing at which to output the synchronization signal to the touch panel.
    Type: Application
    Filed: May 19, 2015
    Publication date: April 20, 2017
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Mamoru TAKAYA, Michiaki TAKEDA, Takahiro KATAYAMA
  • Publication number: 20170001656
    Abstract: A hand cart capable of satisfying walking stabilization and facilitation of carrying articles according to a movement mode includes a control section operable, based on a rotational angle of a wheel section, to calculate a movement distance and a traveling direction, and, according to the traveling direction and the inclination angle, to execute an assist control of causing a wheel driving section to generate a driving torque for assist force or braking torque for braking force, wherein the control section is operable, based on a movement distance and the inclination angle, to calculate an angular change rate of the inclination angle, and, when a contact with a grip member is detected, and the angular change rate is equal to or less than a given threshold, to execute the assist control.
    Type: Application
    Filed: June 28, 2016
    Publication date: January 5, 2017
    Inventors: Takahiro KATAYAMA, Atsushi KOUJINA
  • Patent number: 9486384
    Abstract: A walking assist cart includes a cart body on which a load can be placed, a drive portion that drives a drive wheel, an inclination sensor that detects the inclination angle of the cart body, and a controller that acquires the weight of the load placed on the cart body based on the drive force of the drive portion and the inclination angle of the cart body and outputs assist drive force based on the weight of the load that is acquired.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: November 8, 2016
    Assignee: Funai Electric Co., Ltd.
    Inventor: Takahiro Katayama