Patents by Inventor Hitoshi Yamamoto

Hitoshi Yamamoto 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: 11256537
    Abstract: An interrupt handler unit (130) generates a timer interrupt at an interrupt time, and executes an interrupt preparation process. A wait time period measurement unit (142) a measures a time period from completion of the interrupt preparation process to generation of a start request (201) as a wait time period. A time calculation unit (441) calculates a subtraction time period based on the wait time period measured by the wait time period measurement unit (142), and calculates a preparation time period that is the sum of a time period obtained by subtracting the subtraction time period from the wait time period and a processing time period of the interrupt preparation process. The time calculation unit (441) stores a time obtained by shifting back the preparation time period from the time of a next start request (201), as a next interrupt time, in a time storage unit (442).
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: February 22, 2022
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Jun Yabuki, Hitoshi Yamamoto, Ryo Okabe, Shinichi Ochiai, Hiroki Konaka
  • Patent number: 11250860
    Abstract: This speech processing device is provided with: a contribution degree estimation means which calculates a contribution degree representing a quality of a segment of the speech signal; and a speaker feature calculation means which calculates a feature from the speech signal, for recognizing attribute information of the speech signal, using the contribution degree as a weight of the segment of the speech signal.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: February 15, 2022
    Assignee: NEC CORPORATION
    Inventors: Hitoshi Yamamoto, Takafumi Koshinaka
  • Publication number: 20220020945
    Abstract: The present invention relates to OLED devices and stacks for OLED devices that include a symmetric emissive-layer architecture. In one embodiment, the present invention relates to an emissive stack having three layers, wherein the top and bottom layers emit light in the same or similar color region while the middle layer emits light in a different color region than the other two layers. In such an embodiment, the three layers are in contact with each other with no other layers in between. The symmetric emissive-layer architecture of the present invention can be used to improve the color stability of OLED devices.
    Type: Application
    Filed: October 1, 2021
    Publication date: January 20, 2022
    Inventors: Hitoshi Yamamoto, Xin Xu, Michael S. Weaver, Vadim Adamovich
  • Publication number: 20220009789
    Abstract: A precursor solution of a negative electrode active material according to the present disclosure contains at least one kind of organic solvent, a lithium compound that exhibits solubility in the organic solvent, and a titanium compound that exhibits solubility in the organic solvent. The lithium compound is preferably a lithium metal salt compound. The titanium compound is preferably a titanium alkoxide.
    Type: Application
    Filed: July 9, 2021
    Publication date: January 13, 2022
    Inventors: Hitoshi YAMAMOTO, Tsutomu TERAOKA
  • Publication number: 20220005482
    Abstract: An audio processing apparatus 100 is apparatus for generating a training data in speaker recognition. The audio processing apparatus 100 includes a data acquisition unit configured to acquire an audio signal that is a source of the training data as sample data, a data generation unit configured to executes signal processing on the acquired sample data, and to generates a new audio signal as the training data whose similarity with the sample data is within the set range.
    Type: Application
    Filed: October 25, 2018
    Publication date: January 6, 2022
    Applicant: NEC Corporation
    Inventors: Hitoshi YAMAMOTO, Takafumi KOSHINAKA
  • Publication number: 20210371710
    Abstract: A block copolymer comprising a polymer block (A) mainly comprising a vinyl aromatic monomer unit, and a polymer block (B) mainly comprising a conjugated diene monomer unit, the block copolymer being represented by the following general formula (1) or (2): wherein each curved portion represents a saturated or unsaturated hydrocarbon group having 1 to 20 carbon atoms which is unsubstituted or optionally has a substituent, X represents a group 1 element, and “polymer” represents a polymer moiety.
    Type: Application
    Filed: January 28, 2019
    Publication date: December 2, 2021
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Naoki Taniguchi, Ippei Kameda, Masato Yamada, Hitoshi Yamamoto
  • Publication number: 20210327435
    Abstract: A voice processing device, a voice processing method, and a program recording medium that enhance accuracy of speaker recognition are provided. A voice processing device 100 includes a voice statistics calculation unit 120 that calculates voice statistics that indicates an appearance of each type of sound included in a voice signal that indicates a voice, and a second feature calculation unit 140 that calculates a second feature to recognize specific attribute information based on a temporal change of the voice statistics.
    Type: Application
    Filed: September 6, 2018
    Publication date: October 21, 2021
    Applicant: NEC Corporation
    Inventors: Hitoshi YAMAMOTO, Takafumi KOSHINAKA
  • Publication number: 20210328258
    Abstract: A method for producing a solid composition according to the present disclosure includes producing an oxide to be converted into a first functional ceramic by reacting with an oxoacid compound, and mixing the oxide, the oxoacid compound, and a second functional ceramic that is different from the first functional ceramic. The oxoacid compound preferably contains at least one of a nitrate ion and a sulfate ion as an oxoanion.
    Type: Application
    Filed: April 14, 2021
    Publication date: October 21, 2021
    Inventors: Masahiro FURUSAWA, Tomofumi YOKOYAMA, Naoyuki TOYODA, Hitoshi YAMAMOTO, Tsutomu TERAOKA
  • Publication number: 20210319087
    Abstract: An authentication device is provided with: a plurality of attribute-dependent score calculation units each calculating an attribute-dependent score dependent on a prescribed attribute for input data; an attribute-independent score calculation unit for calculating an attribute-independent score independent of the attribute for the input data; an attribute estimation unit for performing attribute estimation for the input data; and a score integration unit for determining a score weight of each of a plurality of attribute-dependent scores and of the attribute-independent score using the result of the attribute estimation and calculating an output score using the attribute-dependent scores, the attribute-independent score, and the determined score weights.
    Type: Application
    Filed: June 23, 2021
    Publication date: October 14, 2021
    Applicant: NEC Corporation
    Inventors: Koji OKABE, Hitoshi YAMAMOTO, Takafumi KOSHINAKA
  • Publication number: 20210320325
    Abstract: A solid composition according to the present disclosure includes first particles constituted by a first solid electrolyte containing at least lithium, an oxide having a different formulation from the first solid electrolyte, and an oxoacid compound. It is preferred that the oxide and the oxoacid compound are contained in second particles that are different from the first particles. It is preferred that the oxoacid compound contains at least one of a nitrate ion and a sulfate ion as an oxoanion.
    Type: Application
    Filed: April 12, 2021
    Publication date: October 14, 2021
    Inventors: Masahiro FURUSAWA, Tomofumi YOKOYAMA, Naoyuki TOYODA, Hitoshi YAMAMOTO, Tsutomu TERAOKA
  • Patent number: 11145837
    Abstract: The present invention relates to OLED devices and stacks for OLED devices that include a symmetric emissive-layer architecture. In one embodiment, the present invention relates to an emissive stack having three layers, wherein the top and bottom layers emit light in the same or similar color region while the middle layer emits light in a different color region than the other two layers. In such an embodiment, the three layers are in contact with each other with no other layers in between. The symmetric emissive-layer architecture of the present invention can be used to improve the color stability of OLED devices.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: October 12, 2021
    Assignee: Universal Display Corporation
    Inventors: Hitoshi Yamamoto, Xin Xu, Michael S. Weaver, Vadim Adamovich
  • Publication number: 20210300826
    Abstract: A method for producing a solid composition according to the present disclosure is a method for producing a solid composition that is used for forming a functional ceramic having a first crystal phase. The method for producing a solid composition includes: producing an oxide composed of a second crystal phase different from the first crystal phase; and mixing the oxide and an oxo acid compound.
    Type: Application
    Filed: March 29, 2021
    Publication date: September 30, 2021
    Inventors: Tomofumi YOKOYAMA, Hitoshi YAMAMOTO, Naoyuki TOYODA
  • Publication number: 20210287682
    Abstract: The information processing apparatus (2000) computes a first score representing a degree of similarity between the input sound data (10) and the registrant sound data (22) of the registrant (20). The information processing apparatus (2000) obtains a plurality of pieces of segmented sound data (12) by segmenting the input sound data (10) in the time direction. The information processing apparatus (2000) computes, for each piece of segmented sound data piece (12), a second score representing the degree of similarity between the segmented sound data (12) and the registrant sound data (22). The information processing apparatus 2000 makes first determination to determine whether a number of speakers of sound included in the input sound data (10) is one or multiple, using at least the second score.
    Type: Application
    Filed: June 27, 2018
    Publication date: September 16, 2021
    Applicant: NEC Corporation
    Inventors: Ling GUO, Hitoshi YAMAMOTO, Takafumi KOSHINAKA
  • Publication number: 20210288345
    Abstract: A solid electrolyte according to the present disclosure is represented by the following compositional formula (1). Li7-2x-zLa3(Zr2-x-zWxMz)O12??(1) In the formula (1), x and z satisfy 0.10?x?0.60 and 0.00<z?0.25, and M is at least one type of element selected from the group consisting of Nb, Ta, and Sb.
    Type: Application
    Filed: March 9, 2021
    Publication date: September 16, 2021
    Inventors: Hitoshi YAMAMOTO, Tsutomu TERAOKA, Tomofumi YOKOYAMA
  • Publication number: 20210280903
    Abstract: A solid electrolyte according to the present disclosure is represented by the following compositional formula (1). Li7(La3-xBix)Zr2O12??(1) In the formula (1), x satisfies 0.05<x<0.40.
    Type: Application
    Filed: March 8, 2021
    Publication date: September 9, 2021
    Inventors: Hitoshi YAMAMOTO, Tsutomu TERAOKA, Tomofumi YOKOYAMA
  • Publication number: 20210280901
    Abstract: A solid electrolyte according to the present disclosure is represented by the following compositional formula (1). Li7-x(La3-zYz)(Zr2-xMx)O12??(1) In the formula (1), x and z satisfy 0.00<x<1.10, and 0.00<z?0.15, and M is two or more types of elements selected from the group consisting of Nb, Ta, and Sb.
    Type: Application
    Filed: March 5, 2021
    Publication date: September 9, 2021
    Inventors: Hitoshi YAMAMOTO, Tsutomu TERAOKA, Tomofumi YOKOYAMA
  • Publication number: 20210280902
    Abstract: A solid electrolyte according to the present disclosure is represented by the following compositional formula (1). Li7-x+y(La3-ySry)(Zr2-xMx)O12??(1) In the formula (1), x and y satisfy 0.20?x<1.50 and 0.00<y<0.30, and M is two or more types of elements selected from the group consisting of Nb, Ta, and Sb.
    Type: Application
    Filed: March 8, 2021
    Publication date: September 9, 2021
    Inventors: Hitoshi YAMAMOTO, Tsutomu TERAOKA, Tomofumi YOKOYAMA
  • Publication number: 20210280900
    Abstract: A method for producing a solid composition according to the present disclosure is a method for producing a solid composition to be used for forming a solid electrolyte having a first crystal phase, and includes producing an oxide constituted by a second crystal phase that is different from the first crystal phase at normal temperature and normal pressure, and mixing the oxide with an oxoacid compound.
    Type: Application
    Filed: March 4, 2021
    Publication date: September 9, 2021
    Inventors: Tomofumi YOKOYAMA, Hitoshi YAMAMOTO, Naoyuki TOYODA
  • Patent number: 11108083
    Abstract: An electrode composite body includes: an active material molded body including active material particles which include a lithium composite oxide and have a particle shape, and a communication hole that is provided between the active material particles; a first solid electrolyte layer that is provided on a surface of the active material molded body, and includes a first inorganic solid electrolyte; and a second solid electrolyte layer that is provided on the surface of the active material molded body, and includes a second inorganic solid electrolyte of which a composition is different from a composition of the first inorganic solid electrolyte, and which contains boron as a constituent element and is crystalline.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: August 31, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tsutomu Teraoka, Tomofumi Yokoyama, Hitoshi Yamamoto
  • Publication number: 20210264939
    Abstract: To provide an attribute identifying device, an attribute identifying method, and a program storage medium in which the accuracy of attribute identification of a person is further enhanced. An attribute identifying device 100 includes a first attribute identifying unit 130 that identifies, based on a biological signal, first attribute information, which is a range of specific attribute values, from the biological signal, and a second attribute identifying unit 140 that identifies second attribute information, which is specific attribute information, from the biological signal and the first attribute information.
    Type: Application
    Filed: June 21, 2018
    Publication date: August 26, 2021
    Applicant: NEC CORPORATION
    Inventors: Hitoshi YAMAMOTO, Takafumi KOSHINAKA