Patents by Inventor Masayuki Araki

Masayuki Araki 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: 11231341
    Abstract: A method for evaluating damage degree and a system for implementing the same. A polygonal line including a first break point, a second break point, and a maximum response point is determined from a performance curve of each layer of a building. A maximum interlayer deformation angle of each layer is calculated from a maximum interlayer displacement of each layer and its corresponding interlayer height. A safety margin of each layer is calculated from the maximum interlayer deformation angle and a safety limit deformation angle, safety margins are compared, and one polygonal line having the smallest safety margin is selected. A safety limit point is calculated using the polygonal line selected. Damage degree categories are defined using the first break point, the second break point, and the safety limit point. One damage degree category, to which the maximum response point corresponds, is decided out of the damage degree categories.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: January 25, 2022
    Assignees: THE UNIVERSITY OF TOKYO, ALAB INC.
    Inventors: Masaomi Teshigawara, Koichi Kusunoki, Masayuki Araki
  • Patent number: 11205007
    Abstract: A method for executing a falsification check of data transmitted from a data recording device including a processor and an A/D converter. The method includes Step Sa0 of preparing a public-secret key pair; Step Sa1 of inputting an analog signal obtained by a sensor into the A/D converter, while the A/D converter generates whole digital data consisting of signal data and noise data; Step Sa2 of computing a hash value for the signal data using a hash function; Step Sa3 of encrypting the hash value with either of the secret key or the public key; Step Sa4 of writing the encrypted hash value into a noise area where the noise data is recorded, Step Sb2 of authenticating the received data; and Step Sb4 of determining whether the data transmitted from the data recording device is falsified.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: December 21, 2021
    Assignee: ALAB INC.
    Inventor: Masayuki Araki
  • Patent number: 10890879
    Abstract: Provided is an electronic clock including: a power generator; a secondary battery, which is to be charged with electric power generated by the power generator; a balance information transmitter configured to transmit, to a computer, balance information relating to a transition of a power generation amount or a charging balance of the secondary battery; a connection time period setting module configured to set a connection time period of a connection with the computer based on the balance information; and a communication controller configured to control a start and an end of communication to/from the computer based on the connection time period.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: January 12, 2021
    Assignee: CITIZEN WATCH CO., LTD.
    Inventors: Yusuke Hirota, Masayuki Araki, Akiyoshi Kondoh, Masato Kanazawa
  • Publication number: 20200265148
    Abstract: A method for executing a falsification check of data transmitted from a data recording device including a processor and an A/D converter. The method includes Step Sa0 of preparing a public-secret key pair; Step Sa1 of inputting an analog signal obtained by a sensor into the A/D converter, while the A/D converter generates whole digital data consisting of signal data and noise data; Step Sa2 of computing a hash value for the signal data using a hash function; Step Sa3 of encrypting the hash value with either of the secret key or the public key; Step Sa4 of writing the encrypted hash value into a noise area where the noise data is recorded, Step Sb2 of authenticating the received data; and Step Sb4 of determining whether the data transmitted from the data recording device is falsified.
    Type: Application
    Filed: May 4, 2020
    Publication date: August 20, 2020
    Inventor: Masayuki ARAKI
  • Patent number: 10635241
    Abstract: [Problem] To detect touch coordinates, without detection errors and without using a special pen, on a substrate such as a touch panel. [Solution] This coordinate detection method comprises: calculating a ratio between the short-term average (STA) and long-term average (LTA) of output signals from at least three vibration detectors installed apart from each other at predetermined distances on a substrate which has a uniform thickness and is made from a homogeneous material that allows the propagation speeds of oscillating waves to be constant; calculating, as arrival times, the times at which the STA/LTA ratio of the three vibration detectors by oscillating waves generated by touching the substrate exceeds a predetermined threshold value; and calculating touch position coordinates on the basis of each of the arrival times, the propagation speed of the oscillating waves, and the distances at which the three vibration detectors are spaced apart from each other.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: April 28, 2020
    Assignees: ALAB INC., KONAMI DIGITAL ENTERTAINMENT CO., LTD.
    Inventors: Masayuki Araki, Tatsuya Sugawara, Hajime Takahama
  • Publication number: 20200124495
    Abstract: A method for evaluating damage degree and a system for implementing the same are provided. A polygonal line including a first break point, a second break point, and a maximum response point is determined from a performance curve of each layer of a building. A maximum interlayer deformation angle of each layer is calculated from a maximum interlayer displacement of each layer and its corresponding interlayer height. A safety margin of each layer is calculated from the maximum interlayer layer deformation angle and a safety limit deformation angle, safety margins are compared, and one polygonal line having the smallest safety margin is selected. A safety limit point is calculated using the polygonal line selected Damage degree categories are defined using the first break point, the second break point, and the safety limit point. One damage degree category, to which the maximum response point corresponds, is decided out of the damage degree categories.
    Type: Application
    Filed: July 6, 2018
    Publication date: April 23, 2020
    Inventors: Masaomi TESHIGAWARA, Koichi KUSUNOKI, Masayuki ARAKI
  • Patent number: 10496044
    Abstract: A satellite radio-controlled watch, including a receiving unit for receiving a satellite radio wave containing time information and position information; a storage unit for storing intersection point information indicating a position of an intersection point between a reference line along a great circle orthogonal to a specific great circle on the earth or a reference line along the specific great circle on the earth or a circle parallel to the great circle and a time zone boundary, and time difference division information on a wedge-shaped or belt-shaped area that is adjacent to the reference line and to which the intersection point belongs, and a time zone determination unit for determining a time zone, based on the position information, the intersection point information, and the time difference division information.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: December 3, 2019
    Assignee: Citizen Watch Co., LTD.
    Inventors: Masayuki Araki, Kohichi Kazahari, Takashi Ihara
  • Patent number: 10372461
    Abstract: [Problem to be Solved] To register a device driver in the kernel of an operating system by means of a method simpler than conventional methods. [Solution] The device driver is registered in an operating system kernel using a notification driver, which is provided with a driver interface for notifying the operating system kernel of device setting information, and a scenario sequence file, in which device setting information is described which includes device parameters, including configuration structure information about the device, and an execution script for determining the operations of the device. By loading the scenario sequence file into the notification driver, the device driver is registered in the operating system kernel by means of the device interface.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: August 6, 2019
    Assignee: ALAB INC.
    Inventors: Masayuki Araki, Hajime Takahama
  • Publication number: 20190079463
    Abstract: Provided is an electronic clock including: a power generator; a secondary battery, which is to be charged with electric power generated by the power generator; a balance information transmitter configured to transmit, to a computer, balance information relating to a transition of a power generation amount or a charging balance of the secondary battery; a connection time period setting module configured to set a connection time period of a connection with the computer based on the balance information; and a communication controller configured to control a start and an end of communication to/from the computer based on the connection time period.
    Type: Application
    Filed: March 15, 2017
    Publication date: March 14, 2019
    Applicant: CITIZEN WATCH CO., LTD.
    Inventors: Yusuke HIROTA, Masayuki ARAKI, Akiyoshi KONDOH, Masato KANAZAWA
  • Patent number: 10191164
    Abstract: A residual seismic-resistant performance evaluation system includes a seismograph including a seismic intensity sensor, a network interface, a storage, an A/D converter, a temporary storage means and a CPU; a data processing terminal for recording and processing measurement data; and a data processing server for evaluating residual seismic-resistant performance based on the measurement data. The system causes the data processing terminal to perform the steps below: a) calculating seismic intensity data based on the measurement data; b) setting a threshold value for the seismic intensity data; determining whether or not the seismic intensity data exceeds the threshold value; and d) transmitting the seismic intensity data exceeding the threshold value to the data processing server.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: January 29, 2019
    Assignees: aLab Inc., E-Globaledge Corporation
    Inventors: Masayuki Araki, Norio Saito, Takao Takahashi
  • Publication number: 20180196541
    Abstract: [Problem] To detect touch coordinates, without detection errors and without using a special pen, on a substrate such as a touch panel. [Solution] This coordinate detection method comprises: calculating a ratio between the short-term average (STA) and long-term average (LTA) of output signals from at least three vibration detectors installed apart from each other at predetermined distances on a substrate which has a uniform thickness and is made from a homogeneous material that allows the propagation speeds of oscillating waves to be constant; calculating, as arrival times, the times at which the STA/LTA ratio of the three vibration detectors by oscillating waves generated by touching the substrate exceeds a predetermined threshold value; and calculating touch position coordinates on the basis of each of the arrival times, the propagation speed of the oscillating waves, and the distances at which the three vibration detectors are spaced apart from each other.
    Type: Application
    Filed: June 10, 2016
    Publication date: July 12, 2018
    Inventors: Masayuki ARAKI, Tatsuya SUGAWARA, Hajime TAKAHAMA
  • Publication number: 20170357222
    Abstract: A satellite radio-controlled watch, including a receiving unit for receiving a satellite radio wave containing time information and position information; a storage unit for storing intersection point information indicating a position of an intersection point between a reference line along a great circle orthogonal to a specific great circle on the earth or a reference line along the specific great circle on the earth or a circle parallel to the great circle and a time zone boundary, and time difference division information on a wedge-shaped or belt-shaped area that is adjacent to the reference line and to which the intersection point belongs, and a time zone determination unit for determining a time zone, based on the position information, the intersection point information, and the time difference division information.
    Type: Application
    Filed: December 11, 2015
    Publication date: December 14, 2017
    Inventors: Masayuki ARAKI, Kohichi KAZAHARI, Takashi IHARA
  • Publication number: 20170351623
    Abstract: [Problem] To reduce processing load on the CPU driving an OS. [Solution] This device is provided with a multicore microprocessor unit (21) capable of inter-processor communication, a storage means (22) for storing a file describing device configuration information, and a device interface (23). Threads of the microprocessor unit are separated: a first processor core drives the OS, and meanwhile, a second processor core drives the device driver for controlling the device interface. While sharing the device configuration information by inter-processor communication, a notification driver interface for notifying the operating system kernel of configuration information on the basis of the device configuration information is loaded and the second processor core controls the device connected to the device interface by reading a scenario sequence file into the notification driver.
    Type: Application
    Filed: August 31, 2015
    Publication date: December 7, 2017
    Inventors: Masayuki ARAKI, Hajime TAKAHAMA
  • Publication number: 20170286124
    Abstract: [Problem to be Solved] To register a device driver in the kernel of an operating system by means of a method simpler than conventional methods. [Solution] The device driver is registered in an operating system kernel using a notification driver, which is provided with a driver interface for notifying the operating system kernel of device setting information, and a scenario sequence file, in which device setting information is described which includes device parameters, including configuration structure information about the device, and an execution script for determining the operations of the device. By loading the scenario sequence file into the notification driver, the device driver is registered in the operating system kernel by means of the device interface.
    Type: Application
    Filed: August 31, 2015
    Publication date: October 5, 2017
    Inventors: Masayuki ARAKI, Hajime TAKAHAMA
  • Publication number: 20150260862
    Abstract: A residual seismic-resistant performance evaluation system includes a seismograph including a seismic intensity sensor, a network interface, a storage, an A/D converter, a temporary storage means and a CPU; a data processing terminal for recording and processing measurement data; and a data processing server for evaluating residual seismic-resistant performance based on the measurement data. The system causes the data processing terminal to perform the steps below: a) calculating seismic intensity data based on the measurement data; b) setting a threshold value for the seismic intensity data; determining whether or not the seismic intensity data exceeds the threshold value; and d) transmitting the seismic intensity data exceeding the threshold value to the data processing server.
    Type: Application
    Filed: May 29, 2015
    Publication date: September 17, 2015
    Inventors: Masayuki ARAKI, Norio SAITO, Takao TAKAHASHI
  • Patent number: 8178322
    Abstract: A method is described for producing an L-amino acid or a nucleic acid by culturing a microorganism having an ability to produce the L-amino acid or nucleic acid in a liquid medium in a fermentation tank containing a stirring impeller, and optionally adding seed crystals to the medium as required to produce and accumulate crystals of the L-amino acid or nucleic acid in the medium, and collecting crystals of the L-amino acid or nucleic acid from the culture. The power density of the stirring impeller is controlled to be 2.4 kW/m3 or lower after either precipitation of the crystals or addition of the seed crystals.
    Type: Grant
    Filed: August 14, 2009
    Date of Patent: May 15, 2012
    Assignee: Ajinomoto Co., Inc.
    Inventors: Masayuki Araki, Yusuke Takahashi, Akihiro Watanabe, Fumito Ohnishi, Takahiro Asano, Kazuya Kondo, Wataru Hibino, Shintaro Iwatani, Satoshi Okutani
  • Publication number: 20100062493
    Abstract: A method is described for producing an L-amino acid or a nucleic acid by culturing a microorganism having an ability to produce the L-amino acid or nucleic acid in a liquid medium in a fermentation tank containing a stirring impeller, and optionally adding seed crystals to the medium as required to produce and accumulate crystals of the L-amino acid or nucleic acid in the medium, and collecting crystals of the L-amino acid or nucleic acid from the culture. The power density of the stirring impeller is controlled to be 2.4 kW/m3 or lower after either precipitation of the crystals or addition of the seed crystals.
    Type: Application
    Filed: August 14, 2009
    Publication date: March 11, 2010
    Inventors: Masayuki Araki, Yusuke Takahashi, Akihiro Watanabe, Fumito Ohnishi, Takahiro Asano, Kazuya Kondo, Wataru Hibino, Shintaro Iwatani, Satoshi Okutani
  • Patent number: 6004773
    Abstract: A coryneform bacterium harboring an aspartokinase in which feedback inhibition by L-lysine and L-threonine is substantially desensitized, and comprising an enhanced DNA sequence coding for a dihydrodipicolinate reductase, an enhanced DNA sequence coding for dihydropicolinate reductase, an enhance DNA sequence coding for dihydropicolinate synthase, an enhanced DNA sequence coding for diaminopimelate decarboxylase and an enhanced DNA sequence coding for aspartate aminotransferase; a method for producing L-lysine comprising the steps of cultivating the coryneform bacterium in an appropriate medium to allow L-lysine to be produced and accumulated in a culture of the bacterium, and collecting L-lysine from the culture; and a recombinant DNA usable for production of the coryneform bacterium.
    Type: Grant
    Filed: December 5, 1997
    Date of Patent: December 21, 1999
    Assignee: Ajinomoto Co., Inc.
    Inventors: Masayuki Araki, Masakazu Sugimoto, Yasuhiko Yoshihara, Tsuyoshi Nakamatsu