Patents by Inventor Seiji Takeda

Seiji Takeda 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: 20200057194
    Abstract: A photonic neural component includes optical transmitters, optical receivers, inter-node waveguides formed on a board, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.
    Type: Application
    Filed: October 23, 2019
    Publication date: February 20, 2020
    Inventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
  • Publication number: 20200052463
    Abstract: To realize a reservoir computing system with a small size and reduced learning cost, provided is a laser apparatus including a laser; a feedback waveguide that is operable to feed light output from the laser back to the laser; an optical splitter that is provided in a path of the feedback waveguide and is operable to output a portion of light propagated in the feedback waveguide to outside; and a first ring resonator that is operable to be optically connected to the feedback waveguide, as well as a reservoir computing system including this laser apparatus.
    Type: Application
    Filed: October 22, 2019
    Publication date: February 13, 2020
    Inventors: Daiju Nakano, Seiji Takeda, Toshiyuki Yamane
  • Patent number: 10514498
    Abstract: A photonic neural component includes optical transmitters, optical receivers, inter-node waveguides formed on a board, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: December 24, 2019
    Assignee: International Business Machines Corporation
    Inventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
  • Publication number: 20190369330
    Abstract: A photonic neural component including optical transmitters, optical receivers, inter-node waveguides formed on a board, multiplexers configured to multiplex input optical signals onto the inter-node waveguides, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides via the multiplexers, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.
    Type: Application
    Filed: August 20, 2019
    Publication date: December 5, 2019
    Inventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
  • Patent number: 10451798
    Abstract: A photonic neural component including optical transmitters, optical receivers, inter-node waveguides formed on a board, multiplexers configured to multiplex input optical signals onto the inter-node waveguides, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides via the multiplexers, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: October 22, 2019
    Assignee: International Business Machines Corporation
    Inventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
  • Publication number: 20190286791
    Abstract: A computer implemented method of generating new chemical compounds is provided. The method includes preparing a data-driven substructure feature vector for each of a plurality of chemical compounds for which a chemical or physical property is known. The method further includes preparing a predefined component feature vector, creating a regression model to predict a target value for the chemical or physical property, and performing a search algorithm to identify substructure features that affect the target value for the chemical or physical property. The method further includes generating a candidate structure having the target value for the chemical or physical property, and synthesizing the candidate structure.
    Type: Application
    Filed: March 15, 2018
    Publication date: September 19, 2019
    Inventors: Seiji Takeda, Daiju Nakano, Koji Masuda, Tetsuro Morimura
  • Publication number: 20190235165
    Abstract: A photonic neural component includes optical transmitters, optical receivers, inter-node waveguides formed on a board, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.
    Type: Application
    Filed: April 10, 2019
    Publication date: August 1, 2019
    Inventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
  • Patent number: 10366779
    Abstract: A method and system are provided for predicting chemical structures. The method includes receiving, at a user interface, intended structural feature values and intended chemical property values, as vectors. The method further includes constructing, by a hardware processor, a prediction model, wherein the prediction model predicts other structural feature values from the intended structural feature values and the intended chemical property values, and automatically configuring, by the hardware processor, at least one chemical structure candidate from the other structural feature vectors.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: July 30, 2019
    Assignee: International Business Machines Corporation
    Inventors: Hsiang H. Hsu, Gakuto Kurata, Koji Masuda, Shigeru Nakagawa, Hajime Nakamura, Seiji Takeda
  • Patent number: 10353145
    Abstract: A photonic neural component includes optical transmitters, optical receivers, inter-node waveguides formed on a board, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: July 16, 2019
    Assignee: International Business Machines Corporation
    Inventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
  • Publication number: 20190205742
    Abstract: Provided is a reservoir computing system that is miniaturized and has a reduced learning cost. The reservoir computing system uses a reservoir that includes a first optical output section that outputs a first optical signal; a first optical waveguide that propagates the first optical signal output by the first optical output section; an optical receiving section that receives the first optical signal from the first optical waveguide; a storage section that stores received optical data corresponding to the first optical signal and output by the optical receiving section; and a feedback section that applies, to the first optical signal, feedback corresponding to the received optical data stored in the storage section.
    Type: Application
    Filed: January 3, 2018
    Publication date: July 4, 2019
    Inventors: Seiji Takeda, Daiju Nakano, Toshiyuki Yamane, Jean Benoit Heroux
  • Publication number: 20190137686
    Abstract: A photonic neural component including optical transmitters, optical receivers, inter-node waveguides formed on a board, multiplexers configured to multiplex input optical signals onto the inter-node waveguides, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides via the multiplexers, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.
    Type: Application
    Filed: January 7, 2019
    Publication date: May 9, 2019
    Inventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
  • Patent number: 10282013
    Abstract: In order to suppress facility cost and improve convenience of input and output of data, a programmable display device includes a cradle section connected to an apparatus to be controlled, and a tablet section attachable and detachable to/from the cradle section. The cradle section and the tablet section transmit and receive information therebetween through short-distance radio communication.
    Type: Grant
    Filed: May 1, 2014
    Date of Patent: May 7, 2019
    Assignees: UNITED SEVEN CORPORATION, DMC CO., LTD., SEEDSWARE CORPORATION, UNITEC CO., LTD.
    Inventors: Susumu Wada, Seiji Takeda, Ryuichi Tsuchiya, Yoshiaki Sawada
  • Patent number: 10222548
    Abstract: A photonic neural component including optical transmitters, optical receivers, inter-node waveguides formed on a board, multiplexers configured to multiplex input optical signals onto the inter-node waveguides, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides via the multiplexers, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: March 5, 2019
    Assignee: International Business Machines Corporation
    Inventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
  • Publication number: 20180356592
    Abstract: A photonic neural component includes optical transmitters, optical receivers, inter-node waveguides formed on a board, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.
    Type: Application
    Filed: August 22, 2018
    Publication date: December 13, 2018
    Inventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
  • Publication number: 20180309266
    Abstract: To realize a reservoir computing system with a small size and reduced learning cost, provided is a laser apparatus including a laser; a feedback waveguide that is operable to feed light output from the laser back to the laser; an optical splitter that is provided in a path of the feedback waveguide and is operable to output a portion of light propagated in the feedback waveguide to outside; and a first ring resonator that is operable to be optically connected to the feedback waveguide, as well as a reservoir computing system including this laser apparatus.
    Type: Application
    Filed: April 20, 2017
    Publication date: October 25, 2018
    Inventors: Daiju Nakano, Seiji Takeda, Toshiyuki Yamane
  • Patent number: 10107959
    Abstract: A photonic neural component includes optical transmitters, optical receivers, inter-node waveguides formed on a board, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: October 23, 2018
    Assignee: International Business Machines Corporation
    Inventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
  • Publication number: 20180285729
    Abstract: To realize a reservoir computing system easily implemented as hardware, provided is a reservoir computing system including a reservoir operable to output an inherent output signal in response to an input signal. An input node is operable to supply the reservoir with an input signal corresponding to input data, and an output node is operable to output an output value corresponding to an output signal that is output by the reservoir in response to the input data. An adaptive filter is operable to output output data based on a result obtained by weighting a plurality of the output values output from the output node at a plurality of timings with a plurality of weights. Also provided are a learning method and a computer program product.
    Type: Application
    Filed: November 1, 2017
    Publication date: October 4, 2018
    Inventors: Daiju Nakano, Seiji Takeda, Toshiyuki Yamane
  • Publication number: 20180285728
    Abstract: To realize a reservoir computing system easily implemented as hardware, provided is a reservoir computing system including a reservoir operable to output an inherent output signal in response to an input signal. An input node is operable to supply the reservoir with an input signal corresponding to input data, and an output node is operable to output an output value corresponding to an output signal that is output by the reservoir in response to the input data. An adaptive filter is operable to output output data based on a result obtained by weighting a plurality of the output values output from the output node at a plurality of timings with a plurality of weights. Also provided are a learning method and a computer program product.
    Type: Application
    Filed: April 3, 2017
    Publication date: October 4, 2018
    Inventors: Daiju Nakano, Seiji Takeda, Toshiyuki Yamane
  • Publication number: 20180267236
    Abstract: A photonic neural component including optical transmitters, optical receivers, inter-node waveguides formed on a board, multiplexers configured to multiplex input optical signals onto the inter-node waveguides, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides via the multiplexers, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.
    Type: Application
    Filed: May 17, 2018
    Publication date: September 20, 2018
    Inventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
  • Publication number: 20180217328
    Abstract: A photonic neural component includes optical transmitters, optical receivers, inter-node waveguides formed on a board, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.
    Type: Application
    Filed: February 2, 2017
    Publication date: August 2, 2018
    Inventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane