Patents Assigned to National Institute of Information and Communications Technology
  • Patent number: 11405072
    Abstract: A communication method includes generating at a first node, a message of a predetermined message temporal length that indicates an input value to be encoded and transmitting, at the first node, a signal including a pulse train corresponding to the generated message. The signal including the pulse train includes two pulses that define start and end of the message, respectively, and further two pulses that define within the message, a first time interval calculated from the input value in accordance with a first function and a second time interval calculated from the input value in accordance with a second function, respectively.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: August 2, 2022
    Assignees: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY, TOKYO UNIVERSITY OF SCIENCE FOUNDATION
    Inventors: Ferdinand Peper, Kenji Leibnitz, Tetsuya Shimokawa, Mikio Hasegawa, Kaori Kuroda
  • Publication number: 20220237380
    Abstract: Improvement is made in performance of a trained neural network that uses positional information indicating a position at which each token included in an input sequence is present in the input sequence.
    Type: Application
    Filed: July 6, 2020
    Publication date: July 28, 2022
    Applicant: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
    Inventors: Kehai CHEN, Rui WANG, Masao UCHIYAMA, Eiichiro SUMITA
  • Publication number: 20220200612
    Abstract: This atomic resonator for causing a resonance frequency by CPT resonance includes: a gas cell having alkali metal atoms enclosed; a photodetector configured to detect light having passed through the gas cell and convert the light to an electric signal; a high-frequency oscillator configured to receive the electric signal and output the signal after a frequency thereof is divided by two; and a laser light source configured to modulate and introduce, into the gas cell, light based on the signal output from the high-frequency oscillator. The high-frequency oscillator has an injection-locked frequency divider circuit including an acoustic resonator as an oscillation element.
    Type: Application
    Filed: March 11, 2022
    Publication date: June 23, 2022
    Applicants: National Institute of Information and Communications Technology, Tokyo Institute of Technology
    Inventors: Motoaki HARA, Yuichiro YANO, Masatoshi KAJITA, Tetsuya IDO, Hiroyuki ITO
  • Patent number: 11368938
    Abstract: To provide a wireless communication system that can implement optimal communication conditions depending on the type of data. A wireless communication system 100 for transmitting and receiving data to and from a plurality of terminals 2 for use in a narrow space includes normal transmitting/receiving means for transmitting and receiving normal data, among the data, to and from a terminal 2, based on priorities assigned to each of a plurality of buffers stored in a base station 1, and urgent transmitting/receiving means for assigning a high priority to a buffer storing a lowest amount of data among the plurality of buffers, and transmitting and receiving urgent data, among the data, which is different from the normal data, to and from the terminal, via the buffer to which the high priority is assigned.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: June 21, 2022
    Assignee: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
    Inventors: Satoko Itaya, Kenichi Maruhashi, Fumiko Ohori, Fumihide Kojima
  • Publication number: 20220164037
    Abstract: A Latin character conversion apparatus includes a code associator that associates each of a plurality of character keys assigned with Latin characters among a plurality of keys included in a keyboard with any of a plurality of character codes established by a character encoding scheme of the Unicode Standard, a character associator that associates the character code with a relevant code being another character code, a code converter that, in response to an instruction by a user that instructs any of the plurality of character keys, determines the character code associated with the instructed character key as a conversion candidate, and a character converter that, in response to an instruction by the user that instructs the character key serving also as a conversion key of the plurality of character keys with the conversion candidate determined, converts the conversion candidate into the relevant code associated with the conversion candidate.
    Type: Application
    Filed: February 4, 2020
    Publication date: May 26, 2022
    Applicant: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
    Inventors: Chenchen Ding, Masao Uchiyama
  • Publication number: 20220147640
    Abstract: A secret sharing storage system includes at least one user terminal, n units (n: an integer of 2 or more) of storage devices, and a main controller that is communicably connected to a random number generator. The main controller acquires a random number generated by the random number generator in a case of receiving original data sent from the user terminal, executes distributed processing on the original data by using the random number to generate n pieces of distributed data, and stores the n pieces of distributed data respectively in the corresponding n units of storage devices.
    Type: Application
    Filed: January 21, 2020
    Publication date: May 12, 2022
    Applicants: PANASONIC CORPORATION, NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
    Inventors: Masakatsu MATSUO, Katsunori KOGATA, Masahide SASAKI, Mikio FUJIWARA
  • Patent number: 11301624
    Abstract: In order to solve a problem that the level of precision in inferring a crosslingual topic of documents or words in a non-parallel corpus associated in the document level is not high, a topic inferring apparatus includes: a word distribution information storage unit in which word distribution information is stored in association with each of two or more languages; a document topic distribution generating unit that acquires document topic distribution information of a multilingual document set; a segment topic distribution generating unit that acquires segment topic distribution information of each segment, using the document topic distribution information; and a word topic determining unit that determines, for each word contained in two or more documents contained in the multilingual document set, a topic of each word using the segment topic distribution information. Accordingly, it is possible to improve the level of precision in inferring a topic.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: April 12, 2022
    Assignee: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
    Inventors: Akihiro Tamura, Eiichiro Sumita, Yutaka Kidawara
  • Patent number: 11297305
    Abstract: Information indicating a shape of a screen, a shape of a viewing area and a relative positional relationship between the viewing area and the screen is acquired. A shared area in which a three-dimensional image presented by a three-dimensional display is to be arranged in order to be observed from any position in the viewing area is created based on the acquired information. Based on the acquired information, a specific area in which a three-dimensional image presented by the three-dimensional display is to be arranged in order to be observed from a specific position in the viewing area is created. The data indicating the created shared area and the data indicating the specific area are generated.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: April 5, 2022
    Assignee: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
    Inventor: Shunsuke Yoshida
  • Publication number: 20220103242
    Abstract: A wireless communication method collects data generated from a plurality of moving entities. The wireless communication method includes performing first communication in which a control device controls a condition of data forwarding in the plurality of moving entities, via long-distance wireless communication; performing second communication that includes carrying out communication between one of the moving entities and a relay, or communication among the plurality of moving entities, via short-distance wireless communication, by using a DTN (Delay Tolerant Network), which employs a store-carry-and-forward process; and performing third communication that includes carrying out communication between the control device and the relay, or communication between the control device and one of the moving entities, via wired communication or the long-distance wireless communication.
    Type: Application
    Filed: December 13, 2019
    Publication date: March 31, 2022
    Applicant: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
    Inventors: Yuuichi TERANISHI, Takashi KIMATA, Eiji KAWAI, Hiroaki HARAI
  • Patent number: 11282992
    Abstract: A light-emitting module includes: a semiconductor light-emitting element which emits deep ultraviolet light; a liquid sealing the semiconductor light-emitting element; and a package for accommodating the semiconductor light-emitting element and the liquid. The liquid is transparent to the deep ultraviolet light. The package has a transparent member transparent to the deep ultraviolet light. For that reason, a highly reliable light-emitting module provided with the semiconductor light-emitting element that emits the deep ultraviolet light can be provided.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: March 22, 2022
    Assignee: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
    Inventors: Shinichiro Inoue, Manabu Taniguchi, Kosei Nakaya
  • Patent number: 11271653
    Abstract: [Problem] To provide a novel optical network which can be used as an in-vehicle optical backbone network and exhibits high capacity, low delay, low power consumption, low noise and low cost.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: March 8, 2022
    Assignee: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
    Inventors: Ryo Takahashi, Tetsuya Kawanishi, Naokatsu Yamamoto
  • Patent number: 11256658
    Abstract: A causality recognizing apparatus includes a candidate vector generating unit configured to receive a causality candidate for generating a candidate vector representing a word sequence forming the candidate; a context vector generating unit generating a context vector representing a context in which noun-phrases of cause and effect parts of the causality candidate appear; a binary pattern vector generating unit, an answer vector generating unit and a related passage vector generating unit, generating a word vector representing background knowledge for determining whether or not there is causality between the noun-phrase included in the cause part and the noun-phrase included in the effect part; and a multicolumn convolutional neural network learned in advance to receive these word vectors and to determine whether or not the causality candidate has causality.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: February 22, 2022
    Assignee: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
    Inventors: Canasai Kruengkrai, Chikara Hashimoto, Kentaro Torisawa, Julien Kloetzer, Jonghoon Oh, Masahiro Tanaka
  • Patent number: 11236188
    Abstract: An object of the present invention is to provide a novel electro-optic polymer. Another object of the present invention is to provide a novel electro-optic polymer with a low alicyclic methacrylate monomer content. The polymer according to the present invention is a polymer comprising (a) a base polymer having a reactive group (A), (b) an electro-optic molecule having a plurality of reactive groups (B), and a bond (C) formed by reaction of the reactive group (A) with the plurality of reactive groups (B), the bond (C) being at least one type of bond selected from the group consisting of a (thio)ester bond, a (thio)urethane bond, a (thio)urea bond and a (thio)amide bond.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: February 1, 2022
    Assignee: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
    Inventors: Akira Otomo, Isao Aoki, Toshiki Yamada
  • Publication number: 20210393159
    Abstract: A medical support system includes a first transmitting antenna attached to a body surface that transmits a first transmitting wave, and a reflector that is present in the body and reflects the first transmitting wave transmitted from the first transmitting antenna. A first receiving antenna attached to the body surface receives the first transmitting wave transmitted from the first transmitting antenna and a reflected wave reflected by the reflector, and a location estimation device estimates the passage of the reflector in the body based on changes in the respective phases of the first transmitting wave received by the first receiving antenna and the reflected wave, at time t and time t+?t.
    Type: Application
    Filed: November 1, 2019
    Publication date: December 23, 2021
    Applicants: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY, EA PHARMA CO., LTD.
    Inventors: Kenichi TAKIZAWA, Fumihide KOJIMA, Hirotoshi ISHIDA, Tsutomu UMEZAWA, Kenji TAKEHANA
  • Patent number: 11194225
    Abstract: The present disclosure provides a method for producing a laminate for non-linear optics.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: December 7, 2021
    Assignee: National Institute of Information and Communications Technology
    Inventors: Takahiro Kaji, Yukihiro Tominari, Toshiki Yamada, Akira Otomo
  • Patent number: 11192242
    Abstract: A holding apparatus includes a first detection unit configured to detect an indicated holding object, a second detection unit configured to detect, when the first detection unit detects the holding object, a tag proximate to the holding object, and a holding part configured to hold a container provided with the tag based on tag information of the tag detected by the second detection unit.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: December 7, 2021
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
    Inventors: Yuji Onuma, Komei Sugiura
  • Publication number: 20210364642
    Abstract: [Problem] To provide a camera with high sensitivity even if an output to the outside is weak. [Solution] This camera includes a light source 3, a demultiplexing unit 5 which demultiplexes light from the light source 3 into first demultiplexed light and second demultiplexed light, a first modulator 7 which modulates the first demultiplexed light to obtain a modulated signal, an emission unit 9 which emits the modulation signal modulated by the first modulator 7, and a phase imparting means 11 which imparts a plurality of types of phase shifts to the second demultiplexed light to obtain phase-imparted local light.
    Type: Application
    Filed: June 3, 2019
    Publication date: November 25, 2021
    Applicant: National Institute of Information and Communications Technology
    Inventors: Keizo INAGAKI, Toshimasa UMEZAWA, Naokatsu YAMAMOTO, Tetsuya KAWANISHI
  • Patent number: 11176328
    Abstract: A question answering device includes: a general word vector converter converting a question and an answer to semantic vectors in accordance with general context; a general sentence level CNN 214, in response to similarities of semantic vectors between words in question and answer and to strength of causality between the words, for weighting each semantic vector to calculate sentence level representations of the question and the answer; a general passage level CNN 218, in response to similarity between sentence level representations of question and answer, and to strength of relation of vectors in the sentence level representations viewed from causality, for weighting the sentence level representation to calculate a passage level representation for the question and answer passage; and a classifier determining whether or not an answer is a correct answer, based on the similarities between outputs from CNNs 214 and 218.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: November 16, 2021
    Assignee: National Institute of Information and Communications Technology
    Inventors: Jonghoon Oh, Kentaro Torisawa, Canasai Kruengkrai, Ryu Iida, Julien Kloetzer
  • Patent number: 11119452
    Abstract: An equipment management system includes an adaptive system control unit which is assigned to at least one piece of equipment installed in a plant and which monitors and controls the equipment via wireless communication. The adaptive system control unit includes an information detection unit for detecting information from the equipment, a detected information control unit for guaranteeing that only acquisition intended information previously intended to be acquired in the information detected by the information detection unit is acquired by the adaptive system control unit, a first data propagation adjustment unit for adjusting a propagation path when transmitting data including information controlled by the detected information control unit to the outside, and an equipment control unit for controlling the equipment on the basis of the information detected by the information detection unit or a control policy from the outside.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: September 14, 2021
    Assignee: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
    Inventors: Satoko Itaya, Fumihide Kojima
  • Patent number: 11113335
    Abstract: A dialogue system includes a response utterance selecting unit generating a response utterance original sentence to an input utterance; an input utterance emotion estimating unit estimating emotion of the input utterance by calculating input utterance emotion scores indicating degree of matching between the emotion represented by the input utterance and a plurality of emotions; and a response utterance modifying unit for calculating response utterance emotion scores of a response utterance original sentence as emotion scores for each of the plurality of emotions, modifying the response utterance original sentence by a method of modification determined by the values of input utterance emotion score and the response utterance emotion score, and thereby generating and outputting a response utterance.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: September 7, 2021
    Assignee: National Institute of Information and Communications Technology
    Inventors: Noriyuki Abe, Kanako Onishi, Kentaro Torisawa, Canasai Kruengkrai, Yutaka Kidawara