Patents by Inventor Takahisa Suzuki

Takahisa Suzuki 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: 11168387
    Abstract: The steel material for a carburized bearing part according to the present invention contains, by mass %, C: 0.25 to 0.45%, Si: 0.15 to 0.45%, Mn: 0.40 to 1.50%, P: 0.015% or less, S: 0.005% or less, Cr: 0.60 to 2.00%, Mo: 0.10 to 0.35%, V: 0.20 to 0.40%, Al: 0.005 to 0.100%, Ca: 0.0002 to 0.0010%, N: 0.0300% or less and O: 0.0015% or less, with the balance being Fe and impurities, and satisfies Formulae (1) to (3). 1.20<0.4Cr+0.4Mo+4.5V<2.75??(1) A1/A2>0.50??(2) 2.7C+0.4Si+Mn+0.45Ni+0.8Cr+Mo+V>2.55??(3) Formula (2) shows an area fraction of sulfides containing Ca in an amount of 1 mol % or more among sulfides having an equivalent circular diameter of 1 ?m or more.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: November 9, 2021
    Assignees: Nippon Steel Corporation, JTEKT Corporation
    Inventors: Tomohiro Yamashita, Takahisa Suzuki, Yutaka Neishi, Daisuke Hirakami, Kohei Kanetani, Takashi Sada
  • Publication number: 20210329687
    Abstract: A receiving apparatus for receiving system information in a radio access network comprises a receiver and processor circuitry. The receiver is configured to receive first system information and second system information, wherein a repetition period of the first system information is less than a repetition period of the second system information.
    Type: Application
    Filed: June 28, 2021
    Publication date: October 21, 2021
    Inventors: Dieter PETERMANN, Takahisa AOYAMA, Hidetoshi SUZUKI
  • Patent number: 11118251
    Abstract: A rolled wire rod for spring steel contains, as a chemical composition, by mass %: C: 0.42% to 0.60%; Si: 0.90% to 3.00%; Mn: 0.10% to 1.50%; Cr: 0.10% to 1.50%; B: 0.0010% to 0.0060%; N: 0.0010% to 0.0070%; Mo: 0% to 1.00%; V: 0% to 1.00%; Ni: 0% to 1.00%; Cu: 0% to 0.50%; Al: 0% to 0.100%; Ti: 0% to 0.100%; Nb: 0% to 0.100%; P: limited to less than 0.020%; S: limited to less than 0.020%; and a remainder including Fe and impurities, the carbon equivalent (Ceq) is 0.75% to 1.00%, the area fraction of tempered martensite and bainite included in a microstructure is 90% or greater, the tensile strength is 1,350 MPa or less, and the reduction of area is 40% or greater.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: September 14, 2021
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Takahisa Suzuki, Yutaka Neishi, Shuji Kozawa
  • Patent number: 11011052
    Abstract: A control system includes a server and a plurality of nodes. The server transmits data of command strings being described in combination of sequential processing and loop processing to the nodes. The nodes store the data of command strings received from the server. Each node includes a plurality of application programming interface (API) units that perform predetermined sequential processing. Each node selects an API unit on the basis of the command strings acquired from the server and causes the selected API unit to perform sequential processing and loop processing.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: May 18, 2021
    Assignee: FUJITSU LIMITED
    Inventors: Koichiro Yamashita, Takahisa Suzuki, Koji Kurihara
  • Publication number: 20200394427
    Abstract: A video recording control device includes a data acquisition unit that acquires video data captured by a camera, a traffic guide information acquisition unit that acquires traffic guide information, a different vehicle information detection unit that recognizes a different vehicle from the video data and detects a position and a moving direction of the recognized different vehicle, a traffic guide information correspondence determination unit that associates traffic guide information with the different vehicle, based on the position and the moving direction of the different vehicle, an event detection unit that detects an event in which the different vehicle is involved, and a storage control unit that stores video data corresponding to a period including at least an event occurrence time, with inclusion of the traffic guide information determined by the traffic guide information correspondence determination unit as the traffic guide information that the different vehicle needs to obey.
    Type: Application
    Filed: September 1, 2020
    Publication date: December 17, 2020
    Inventors: Jun Takahashi, Takahisa Suzuki, Toru Doigaki, Takeshi Enokida, Masayuki Nagayama
  • Patent number: 10724125
    Abstract: Spring steel includes: as a chemical composition, by mass %, C: 0.40% to 0.60%, Si: 0.90% to 2.50%, Mn: 0.20% to 1.20%, Cr: 0.15% to 2.00%, Ni: 0.10% to 1.00%, Ti: 0.030% to 0.100%, B: 0.0010% to 0.0060%, N: 0.0010% to 0.0070%, Cu: 0% to 0.50%, Mo: 0% to 1.00%, V: 0% to 0.50%, Nb: 0% to 0.10%, P: limited to less than 0.020%, S: limited to less than 0.020%, Al: limited to less than 0.050%, and a remainder including Fe and impurities, in a case where [Ti] represents a Ti content and [N] represents a N content by mass %, the chemical composition satisfies ([Ti]?3.43×[N])>0.03, and a total number density of a Ti carbide and a Ti carbonitride having a diameter of 5 nm to 100 nm is more than 50 piece/?m3.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: July 28, 2020
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Takahisa Suzuki, Manabu Kubota, Shuji Kozawa, Hirotsugu Miyamoto
  • Publication number: 20200208246
    Abstract: The steel material for a carburized bearing part according to the present invention contains, by mass %, C: 0.25 to 0.45%, Si: 0.15 to 0.45%, Mn: 0.40 to 1.50%, P: 0.015% or less, S: 0.005% or less, Cr: 0.60 to 2.00%, Mo: 0.10 to 0.35%, V: 0.20 to 0.40%, Al: 0.005 to 0.100%, Ca: 0.0002 to 0.0010%, N: 0.0300% or less and O: 0.0015% or less, with the balance being Fe and impurities, and satisfies Formulae (1) to (3). 1.20<0.4Cr+0.4Mo+4.5V<2.75??(1) A1/A2>0.50??(2) 2.7C+0.4Si+Mn+0.45Ni+0.8Cr+Mo+V>2.55??(3) Formula (2) shows an area fraction of sulfides containing Ca in an amount of 1 mol % or more among sulfides having an equivalent circular diameter of 1 ?m or more.
    Type: Application
    Filed: August 24, 2018
    Publication date: July 2, 2020
    Inventors: Tomohiro Yamashita, Takahisa Suzuki, Yutaka Neishi, Daisuke Hirakami, Kohei Kanetani, Takashi Sada
  • Publication number: 20200175852
    Abstract: A data collection system includes an information processing apparatus, and a communication node coupled to the information processing apparatus, wherein the information processing apparatus is configured to acquire a predetermined event occurrence time from a server, calculate an activation start time that is earlier than the acquired event occurrence time by an activation period of the communication node, and transmit the calculated activation start time to the communication node, and the communication node is configured to start activation at the activation start time received, and acquire predetermined data detected by a sensor upon completion of the activation, and transmit the acquired predetermined data to the information processing apparatus.
    Type: Application
    Filed: November 4, 2019
    Publication date: June 4, 2020
    Applicant: FUJITSU LIMITED
    Inventors: Koichiro YAMASHITA, Takahisa SUZUKI
  • Publication number: 20200095663
    Abstract: A rolled wire rod for spring steel contains, as a chemical composition, by mass %: C: 0.42% to 0.60%; Si: 0.90% to 3.00%; Mn: 0.10% to 1.50%; Cr: 0.10% to 1.50%; B: 0.0010% to 0.0060%; N: 0.0010% to 0.0070%; Mo: 0% to 1.00%; V: 0% to 1.00%; Ni: 0% to 1.00%; Cu: 0% to 0.50%; Al: 0% to 0.100%; Ti: 0% to 0.100%; Nb: 0% to 0.100%; P: limited to less than 0.020%; S: limited to less than 0.020%; and a remainder including Fe and impurities, the carbon equivalent (Ceq) is 0.75% to 1.00%, the area fraction of tempered martensite and bainite included in a microstructure is 90% or greater, the tensile strength is 1,350 MPa or less, and the reduction of area is 40% or greater.
    Type: Application
    Filed: June 15, 2018
    Publication date: March 26, 2020
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Takahisa SUZUKI, Yutaka NEISHI, Shuji KOZAWA
  • Publication number: 20200080874
    Abstract: When the measurement values measured by a first sensor among a plurality of sensors installed in a dispersed manner at a specific location, in first cycles are determined to be abnormal values, a control device activates the first sensor in second cycles that are shorter than the first cycles. Moreover, when the abnormal values are included in the trend of temporal variation, the control device activates a plurality of second sensors, which is installed around the first sensor, in the second cycles. Moreover, when the measurement values measured by the first sensor and the plurality of second sensors in the second cycles are included in the trend of surface-direction distribution, the control device outputs the measurement values measured by the first sensor and the plurality of second sensors.
    Type: Application
    Filed: November 15, 2019
    Publication date: March 12, 2020
    Applicant: FUJITSU LIMITED
    Inventors: Koichiro Yamashita, Takahisa Suzuki, Koji Kurihara
  • Patent number: 10538832
    Abstract: Provided is a steel for carbonitrided bearing which excels in hardenability and also excels in toughness, wear resistance, and surface-originated flaking life after quenching and tempering. A steel for carbonitrided bearing of the present embodiment has a chemical composition containing, in mass %, C: 0.22 to 0.45%, Si: not more than 0.50%, Mn: 0.40 to 1.50%, P: not more than 0.015%, S: not more than 0.005%, Cr: 0.30 to 2.0%, Mo: 0.10 to 0.35%, V: 0.20 to 0.40%, Al: 0.005 to 0.10%, N: not more than 0.030%, and O: not more than 0.0015%, with the balance being Fe and impurities, and satisfying Formulae (1) and (2). 1.20<0.4Cr+0.4Mo+4.5V<2.60??(1) 2.7C+0.4Si+Mn+0.8Cr+Mo+V>2.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: January 21, 2020
    Assignees: NIPPON STEEL CORPORATION, JTEKT CORPORATION
    Inventors: Yutaka Neishi, Takahisa Suzuki, Tatsuya Koyama, Shingo Yamasaki, Kohei Kanetani, Takashi Sada
  • Publication number: 20200022056
    Abstract: A path controller includes a memory, and a processor coupled to the memory and configured to acquire a weather condition of an installation place of a plurality of nodes, the weather condition changing a communication quality of the plurality of nodes, and control a node that is a connection candidate in the plurality of nodes, based on the acquired weather condition so as to determine a communication path between the plurality of nodes.
    Type: Application
    Filed: June 17, 2019
    Publication date: January 16, 2020
    Applicant: FUJITSU LIMITED
    Inventors: Koichiro Yamashita, Takahisa Suzuki
  • Patent number: 10515541
    Abstract: A control device includes: a processor configured to: control calibration of sensing values in a sensor node group formed of sensor nodes each including a sensor and a wireless device and being capable of performing multi-hop communication; divide the sensor node group into a plurality of clusters such that each of the clusters includes at least one partial cluster including a relay node and a child node that performs wireless communication; collect an average of sensing values in each of the partial clusters from the relay node of each of the partial clusters; calculate a calibration reference value of each of the clusters from the collected averages of the respective partial clusters; and provide the calculated calibration reference value of each of the clusters to each of the clusters.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: December 24, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Koichiro Yamashita, Takahisa Suzuki, Koji Kurihara, Toshiya Otomo
  • Patent number: 10422626
    Abstract: A position measuring apparatus instructs a first node to emit light by transmitting a first light emission pattern to the first node, instructs a second node to emit light by transmitting the first light emission pattern to the second node, when light emission following the instructed first light emission pattern is detected, and instructs the second node to emit light by transmitting a second light emission pattern that is different from the first light emission pattern, when light emission following the instructed first light emission pattern is not detected.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: September 24, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Takahisa Suzuki, Koichiro Yamashita, Koji Kurihara
  • Patent number: 10425879
    Abstract: A control device includes: a processor configured to: control a multihop communication path in a wireless network that includes a node group; when a first power storage speed of a target relay node in the node group is negative, calculate a first estimated time that is needed to reach a target power-storage value in a case where the target relay node is in a non-relay operating state; and in accordance with a length of the first estimated time calculated, change a state of the target relay node into the non-relay operating state or a stop state and change a state of another node, which is in the non-relay operating state, into a relay operating state.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: September 24, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Koichiro Yamashita, Toshiya Otomo, Takahisa Suzuki, Koji Kurihara
  • Patent number: 10368727
    Abstract: An endoscope which promotes downsizing and cost reduction, and a manufacturing method of an endoscope are provided. For this reason, in an endoscope, a lens unit containing a lens in a lens tube, an image capturing element of which an image capturing surface is covered with element cover glass, and an adhesive resin fixing the lens unit of which an optical axis of the lens is coincident with the center of the image capturing surface to the element cover glass with a separation portion are disposed.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: August 6, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Akinori Osada, Takafumi Sanada, Yasuyuki Hanada, Naoyuki Haraguchi, Takahisa Suzuki, Tooru Tanaka, Hiroshi Nagayasu
  • Patent number: 10358706
    Abstract: Provided is a carbonitrided bearing part which has high hardenability and toughness, and is excellent in wear resistance and surface-originated flaking life. A carbonitrided bearing part of the present embodiment has a chemical composition containing, in mass %, C: 0.15 to 0.45%, Si: not more than 0.50%, Mn: 0.40 to 1.50%, P: not more than 0.015%, S: not more than 0.005%, Cr: 0.30 to 2.0%, Mo: 0.10 to 0.35%, V: 0.20 to 0.40%, Al: 0.005 to 0.10%, N: not more than 0.030%, and O: not more than 0.0015%, with the balance being Fe and impurities, and satisfying Formulae (1) and (2). At surface, C concentration is 0.7 to 1.2%, N concentration is 0.15 to 0.6%, and Rockwell hardness HRC is 58 to 65. 1.20<0.4Cr+0.4Mo+4.5V<2.60??(1) 2.7C+0.4Si+Mn+0.8Cr+Mo+V>2.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: July 23, 2019
    Assignees: NIPPON STEEL & SUMITOMO METAL CORPORATION, JTEKT CORPORATION
    Inventors: Yutaka Neishi, Takahisa Suzuki, Tatsuya Koyama, Shingo Yamasaki, Kohei Kanetani, Takashi Sada
  • Publication number: 20190063497
    Abstract: A rolling sliding member includes a base part and a surface layer. The base part has a composition that includes 0.30 mass % to 0.45 mass % of carbon, 0.15 mass % to 0.45 mass % of silicon, 0.40 to 1.50 mass % of manganese, 0.60 mass % to 2.00 mass % of chromium, 0.10 mass % to 0.35 mass % of molybdenum, 0.20 mass % to 0.40 mass % of vanadium, and 0.005 mass % to 0.100 mass % of aluminum, and a remainder of iron and inevitable impurities. The surface layer is positioned around the base part. The surface layer has a Vickers hardness of 700 to 800 and a retained austenite content of 25 volume % to 50 volume %. The thickness of a grain boundary oxide layer satisfies Formula: thickness of grain boundary oxide layer?equivalent diameter of rolling sliding member×1.4×10?3.
    Type: Application
    Filed: August 20, 2018
    Publication date: February 28, 2019
    Applicants: JTEKT CORPORATION, NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Kohei KANETANI, Takashi SADA, Tomohiro YAMASHITA, Takahisa SUZUKI, Yutaka NEISHI, Daisuke HIRAKAMI
  • Publication number: 20190032177
    Abstract: There is provided a spring steel including predetermined chemical composition, in which ([Ti mass %]?3.43×[N mass %])/[S mass %]>4.0, and [Ni mass %]+[Cu mass %]<0.75 are satisfied, and an appearance frequency of MnS is less than 20% among inclusions having an equivalent circle diameter of 1 ?m or more which are observed at a 1/4 position of a diameter from a surface.
    Type: Application
    Filed: January 26, 2017
    Publication date: January 31, 2019
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Takahisa SUZUKI, Suguru YOSHIDA, Yutaka NEISHI
  • Patent number: D899573
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: October 20, 2020
    Assignee: OMRON HEALTHCAE Co., Ltd.
    Inventors: Tsuyoshi Ogihara, Masahiko Yumoto, Yukiko Mitsunami, Kengo Nishiyama, Kosuke Inoue, Tadashi Koike, Nobuhiko Osoegawa, Hiroyuki Shino, Takaaki Okanishi, Misaki Inaga, Yuka Tanioka, Katsumi Matsuda, Junji Kawamoto, Naoki Uchida, Yasuo Matsuda, Takahisa Suzuki, Takuya Togawa