Patents by Inventor Tomoyuki Hino

Tomoyuki Hino 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: 20220262240
    Abstract: The present disclosure provides a traffic prediction apparatus, system, method and program capable of predicting the number of vehicles and the speed of vehicles in a predetermined time and in a predetermined range based on waterfall data of vehicles. The traffic prediction apparatus comprises acquisition means for acquiring waterfall data comprising a generation position of a vibration, a generation time of the vibration and an amplitude of the vibration generated by a vehicle traveling on a road, pre-processing means for transforming the acquired waterfall data, generation means for training a portion of the plurality of processed waterfall data and at least one corresponding ground truth traffic property used as plurality of labels to generate a trained model, wherein the ground truth may be obtained from a secondary acquisition means, and prediction means for predicting at least one traffic property for a processed waterfall data.
    Type: Application
    Filed: July 1, 2019
    Publication date: August 18, 2022
    Applicant: NEC Corporation
    Inventors: Chaitanya Prasad NARISETTY, Akihiro TANAKA, Tomoyuki HINO
  • Patent number: 11408019
    Abstract: An object of the present invention is to provide an ?-glucan mixture in a preferable molecular weight range, which can be made into a transparent film with advantageous strength and water solubility when an edible film is made by using the ?-glucan mixture without adding any plasticizer. The above object is solved by providing an ?-glucan mixture, which is obtainable by a process comprising the steps of gelatinizing waxy starch and liquefying the resulting gelatinized waxy starch by allowing an amylase to act on it, having the following characteristics (1) and (2): (1) having the weight average molecular weight (Mw) in a range of 150 kDa to 3,000 kDa; and (2) having the value of dividing weight average molecular weight (Mw) with number average molecular weight (Mn), Mw/Mn, of 35.1 or lower.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: August 9, 2022
    Assignee: HAYASHIBARA CO., LTD.
    Inventors: Seiichiro Kishishita, Shoko Kanashima, Manabu Miyata, Takuo Yamamoto, Katsuhiko Hino, Tomoyuki Nishimoto
  • Publication number: 20220209593
    Abstract: An outer-circumferential side of a core-back portion of a stator iron core has a welding portion that is provided in such a way as to ride on two or more electromagnetic steel plates including electromagnetic steel plates situated at a stacking-direction end portion of the stator iron core; the welding portion is provided partly in the stacking-direction of the stator iron core.
    Type: Application
    Filed: October 2, 2019
    Publication date: June 30, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tomoyuki KINOSHITA, Tatsuro HINO, Kouta KATSURAGI, Satoshi EKINO, Kazuya HASEGAWA, Norihiro MURATA, Akihito MORI
  • Publication number: 20220170766
    Abstract: According to one example embodiment, an optical fiber sensor includes an optical fiber cable and a device body configured to cause an optical pulse signal to be incident on the optical fiber cable and identify, from intensity change of backscattered light of the incident optical pulse signal and an arrival time of the backscattered light, a prescribed environmental change having occurred in a vicinity of the optical fiber cable and an occurrence location of the environmental change, in which the device body performs correction of a sensing location on the optical fiber cable, based on environmental change information including the identified occurrence location and installation location information of the optical fiber cable.
    Type: Application
    Filed: April 16, 2019
    Publication date: June 2, 2022
    Applicant: NEC Corporation
    Inventors: Tomoyuki HINO, Akihiro TANAKA, Chaitanya Prasad NARISETTY
  • Publication number: 20220155138
    Abstract: Provided are a structure deterioration detection system and a structure deterioration detection method capable of detecting deterioration of a structure at low cost. In one example embodiment, a structure deterioration detection system includes an optical fiber cable that is placed along the longitudinal direction of a structure and continuously detects any vibration along the longitudinal direction of the structure, and a signal processing unit including a vibration measurement unit that measures the strength of a detected vibration, a per unit time integration unit that integrates the vibration strength for a specified period of time, an information storage unit that stores the integrated vibration strength, and a deterioration determination unit that makes a determination about whether deterioration of the structure has occurred by comparing the integrated vibration strengths at different times.
    Type: Application
    Filed: March 26, 2019
    Publication date: May 19, 2022
    Applicant: NEC Corporation
    Inventors: Akihiro TANAKA, Tomoyuki HINO, Chaitanya Prasad NARISETTY
  • Patent number: 11276302
    Abstract: A traffic monitoring apparatus includes a distributed acoustic sensor (DAS) for acquiring waterfall data, wherein the waterfall data includes a generation position of a vibration on a roadway adjacent to the DAS, a generation time of the vibration and an amplitude of the vibration. The traffic monitoring apparatus further includes a processor connected to the DAS. The processor is configured to receive the waterfall data from the DAS. The processor is further configured to preprocess the waterfall data. The processor is further configured to separate the preprocessed waterfall data into a plurality of patches, wherein a size of each patch of the plurality of patches is determined based on a parameter of the roadway. The processor is further configured to process each of the plurality of patches to estimate at least one traffic flow property of the roadway.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: March 15, 2022
    Assignee: NEC CORPORATION
    Inventors: Chaitanya Prasad Narisetty, Tomoyuki Hino, Akihiro Tanaka
  • Publication number: 20220057255
    Abstract: In optical fiber sensors, sensor signals obtained differ according to the circumstances of installation, in locations being observed, of optical fibers serving as sensors, and it is difficult to perform accurate measurements; therefore, a sensor signal processing apparatus according to the present invention includes variation calculation means for receiving a sensor signal based on scattered light of a light pulse propagating through an optical fiber, and calculating a variation of the sensor signal from a reference value; and normalization processing means for normalizing the variation within a predetermined time, and calculating a normalized variation.
    Type: Application
    Filed: March 5, 2019
    Publication date: February 24, 2022
    Applicant: NEC Corporation
    Inventors: Tomoyuki HINO, Akihiro TANAKA
  • Publication number: 20220060257
    Abstract: If wavelength defragmentation is performed during the operation of an optical network, an instantaneous interruption of a network arises; consequently, data are lost; therefore, an optical network control method according to an exemplary aspect of the present invention includes monitoring a data volume of a client signal to be transmitted using a plurality of optical subcarriers; and performing synchronously, depending on a variation in the data volume, an optical subcarrier changing process of changing an active optical subcarrier, of the plurality of optical subcarriers, to be used for transmitting the client signal, and a remapping process of remapping the client signal onto an active optical subcarrier after having been changed.
    Type: Application
    Filed: November 5, 2021
    Publication date: February 24, 2022
    Applicant: NEC Corporation
    Inventors: Tomoyuki HINO, Akio Tajima, Hitoshi Takeshita, Shinsuke Fujisawa
  • Patent number: 11201668
    Abstract: If wavelength defragmentation is performed during the operation of an optical network, an instantaneous interruption of a network arises; consequently, data are lost; therefore, an optical network control method according to an exemplary aspect of the present invention includes monitoring a data volume of a client signal to be transmitted using a plurality of optical subcarriers; and performing synchronously, depending on a variation in the data volume, an optical subcarrier changing process of changing an active optical subcarrier, of the plurality of optical subcarriers, to be used for transmitting the client signal, and a remapping process of remapping the client signal onto an active optical subcarrier after having been changed.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: December 14, 2021
    Assignee: NEC CORPORATION
    Inventors: Tomoyuki Hino, Akio Tajima, Hitoshi Takeshita, Shinsuke Fujisawa
  • Publication number: 20210352386
    Abstract: It is difficult to improve the usage efficiency of an optical communication network due to the passband narrowing effect in a wavelength selection process in an optical communication network using a wavelength division multiplexing system; therefore, an optical network management apparatus according to an exemplary aspect of the present invention includes wavelength selection information generating means for generating wavelength selection information on a wavelength selection process through which an optical path accommodating an information signal goes, with respect to each optical path; and wavelength selection information notifying means for notifying an optical node device through which the optical path goes of the wavelength selection information.
    Type: Application
    Filed: July 26, 2021
    Publication date: November 11, 2021
    Applicant: NEC CORPORATION
    Inventors: Hitoshi Takeshita, Shinsuke Fujisawa, Tomoyuki Hino, Akio Tajima
  • Patent number: 11143528
    Abstract: An optical fiber sensor irradiates light pulses into an optical fiber cable and analyses backscattered light thereof. The optical fiber sensor comprises: a determination part that determines a timing at which measurement of an environmental change starts and a timing at which measurement of the environmental change ends, based on the backscattered light; and an occurrence region estimation part that estimates an occurrence region of the environmental change in a longitudinal direction of the optical fiber cable, based on the timing at which measurement of the environmental change starts; the timing at which measurement of the environmental change ends; and a pulse width of the light pulses.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: October 12, 2021
    Assignee: NEC CORPORATION
    Inventors: Tomoyuki Hino, Akihiro Tanaka
  • Patent number: 11109123
    Abstract: It is difficult to improve the usage efficiency of an optical communication network due to the passband narrowing effect in a wavelength selection process in an optical communication network using a wavelength division multiplexing system; therefore, an optical network management apparatus according to an exemplary aspect of the present invention includes wavelength selection information generating means for generating wavelength selection information on a wavelength selection process through which an optical path accommodating an information signal goes, with respect to each optical path; and wavelength selection information notifying means for notifying an optical node device through which the optical path goes of the wavelength selection information.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: August 31, 2021
    Assignee: NEC CORPORATION
    Inventors: Hitoshi Takeshita, Shinsuke Fujisawa, Tomoyuki Hino, Akio Tajima
  • Publication number: 20210241615
    Abstract: A traffic monitoring apparatus includes a distributed acoustic sensor (DAS) for acquiring waterfall data, wherein the waterfall data includes a generation position of a vibration on a roadway adjacent to the DAS, a generation time of the vibration and an amplitude of the vibration. The traffic monitoring apparatus further includes a processor connected to the DAS. The processor is configured to receive the waterfall data from the DAS. The processor is further configured to preprocess the waterfall data. The processor is further configured to separate the preprocessed waterfall data into a plurality of patches, wherein a size of each patch of the plurality of patches is determined based on a parameter of the roadway. The processor is further configured to process each of the plurality of patches to estimate at least one traffic flow property of the roadway.
    Type: Application
    Filed: January 30, 2020
    Publication date: August 5, 2021
    Inventors: Chaitanya Prasad NARISETTY, Tomoyuki HINO, Akihiro TANAKA
  • Publication number: 20210058157
    Abstract: In a multi-layer network, a control load in the upper layer network increases, and the usage efficiency and the reliability of the entire network decrease; therefore, a multi-layer network system according to an exemplary aspect of the present invention includes a first network manager configured to set a logical path in a first network layer; and a second network manager configured to set a physical path corresponding to the logical path, in a second network layer, wherein the second network manager includes a network information storage configured to store physical network information including physical route information and transmission characteristic information on the second network layer, and the first network manager sets the logical path based on the physical network information.
    Type: Application
    Filed: November 6, 2020
    Publication date: February 25, 2021
    Applicant: NEC Corporation
    Inventors: Hitoshi TAKESHITA, Shinsuke FUJISAWA, Tomoyuki HINO, Akio TAJIMA
  • Publication number: 20210010836
    Abstract: An optical fiber sensor irradiates light pulses into an optical fiber cable and analyses backscattered light thereof. The optical fiber sensor comprises: a determination part that determines a timing at which measurement of an environmental change starts and a timing at which measurement of the environmental change ends, based on the backscattered light; and an occurrence region estimation part that estimates an occurrence region of the environmental change in a longitudinal direction of the optical fiber cable, based on the timing at which measurement of the environmental change starts; the timing at which measurement of the environmental change ends; and a pulse width of the light pulses.
    Type: Application
    Filed: March 26, 2019
    Publication date: January 14, 2021
    Applicant: NEC Corporation
    Inventors: Tomoyuki HINO, Akihiro TANAKA
  • Patent number: 10848245
    Abstract: In a multi-layer network, a control load in the upper layer network increases, and the usage efficiency and the reliability of the entire network decrease; therefore, a multi-layer network system according to an exemplary aspect of the present invention includes a first network manager configured to set a logical path in a first network layer; and a second network manager configured to set a physical path corresponding to the logical path, in a second network layer, wherein the second network manager includes a network information storage configured to store physical network information including physical route information and transmission characteristic information on the second network layer, and the first network manager sets the logical path based on the physical network information.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: November 24, 2020
    Assignee: NEC CORPORATION
    Inventors: Hitoshi Takeshita, Shinsuke Fujisawa, Tomoyuki Hino, Akio Tajima
  • Publication number: 20200344533
    Abstract: It is difficult to improve the usage efficiency of an optical communication network due to the passband narrowing effect in a wavelength selection process in an optical communication network using a wavelength division multiplexing system; therefore, an optical network management apparatus according to an exemplary aspect of the present invention includes wavelength selection information generating means for generating wavelength selection information on a wavelength selection process through which an optical path accommodating an information signal goes, with respect to each optical path; and wavelength selection information notifying means for notifying an optical node device through which the optical path goes of the wavelength selection information.
    Type: Application
    Filed: July 9, 2020
    Publication date: October 29, 2020
    Applicant: NEC CORPORATION
    Inventors: Hitoshi TAKESHITA, Shinsuke FUJISAWA, Tomoyuki HINO, Akio TAJIMA
  • Publication number: 20200313765
    Abstract: If wavelength defragmentation is performed during the operation of an optical network, an instantaneous interruption of a network arises; consequently, data are lost; therefore, an optical network control method according to an exemplary aspect of the present invention includes monitoring a data volume of a client signal to be transmitted using a plurality of optical subcarriers; and performing synchronously, depending on a variation in the data volume, an optical subcarrier changing process of changing an active optical subcarrier, of the plurality of optical subcarriers, to be used for transmitting the client signal, and a remapping process of remapping the client signal onto an active optical subcarrier after having been changed.
    Type: Application
    Filed: June 17, 2020
    Publication date: October 1, 2020
    Applicant: NEC Corporation
    Inventors: Tomoyuki HINO, Akio TAJIMA, Hitoshi TAKESHITA, Shinsuke FUJISAWA
  • Patent number: 10750259
    Abstract: It is difficult to improve the usage efficiency of an optical communication network due to the passband narrowing effect in a wavelength selection process in an optical communication network using a wavelength division multiplexing system; therefore, an optical network management apparatus according to an exemplary aspect of the present invention includes wavelength selection information generating means for generating wavelength selection information on a wavelength selection process through which an optical path accommodating an information signal goes, with respect to each optical path; and wavelength selection information notifying means for notifying an optical node device through which the optical path goes of the wavelength selection information.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: August 18, 2020
    Assignee: NEC CORPORATION
    Inventors: Hitoshi Takeshita, Shinsuke Fujisawa, Tomoyuki Hino, Akio Tajima
  • Patent number: 10715249
    Abstract: If wavelength defragmentation is performed during the operation of an optical network, an instantaneous interruption of a network arises; consequently, data are lost; therefore, an optical network control method according to an exemplary aspect of the present invention includes monitoring a data volume of a client signal to be transmitted using a plurality of optical subcarriers; and performing synchronously, depending on a variation in the data volume, an optical subcarrier changing process of changing an active optical subcarrier, of the plurality of optical subcarriers, to be used for transmitting the client signal, and a remapping process of remapping the client signal onto an active optical subcarrier after having been changed.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: July 14, 2020
    Assignee: NEC CORPORATION
    Inventors: Tomoyuki Hino, Akio Tajima, Hitoshi Takeshita, Shinsuke Fujisawa