Patents by Inventor Yuji Shimizu

Yuji Shimizu 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: 20170317682
    Abstract: A control apparatus includes, for at least two-phase signals detected from a resolver excited by a carrier signal having a carrier frequency fc, a first phase shifter that shifts a phase of a first phase signal of the resolver with a pole at a frequency f1 lower than the carrier frequency fc, a second phase shifter that shifts a phase of a second phase signal of the resolver with a pole at a frequency f2 higher than the carrier frequency fc, a signal generator that generates a correction signal for canceling out an error component of the carrier signal, and a synthesizer that synthesizes the phase-shifted first phase signal, the phase-shifted second signal, and the correction signal for canceling out the error component, in order to create a phase-modulated signal that is the carrier signal being modulated at a rotation angle of a rotor of the resolver.
    Type: Application
    Filed: April 26, 2017
    Publication date: November 2, 2017
    Inventors: Yuji SHIMIZU, Akane HIROSHIMA, Yutaka ONO
  • Publication number: 20170250701
    Abstract: The present invention provides a signal processor that improves a resolution of a phase detection without increasing a clock frequency of a controller or decreasing a frequency of an excitation signal. A signal processor 10 includes a comparator 11 that compares a signal obtained by phase modulating a carrier frequency at a rotor rotation angle of a resolver with a dither signal.
    Type: Application
    Filed: February 24, 2017
    Publication date: August 31, 2017
    Inventors: Akane HIROSHIMA, Yuji SHIMIZU, Yutaka ONO
  • Publication number: 20170232709
    Abstract: The present invention provides a novel multilayer structure including a layered product capable of maintaining high performance even after being subjected to extrusion coating lamination. The present invention relates to a multilayer structure including a layered product and a layer (H) stacked on the layered product. The layered product includes a base (X), a layer (Z) containing an aluminum atom, and a layer (Y) containing a compound (A) containing a phosphorus atom. The layer (H) contains a thermoplastic resin (U), and the thermoplastic resin (U) is a polymer containing an a-olefin unit.
    Type: Application
    Filed: July 1, 2015
    Publication date: August 17, 2017
    Applicant: KURARAY CO, LTD.
    Inventors: Yasutaka INUBUSHI, Yuji SHIMIZU, Masakazu NAKAYA
  • Publication number: 20170226367
    Abstract: The present invention provides a novel antistatic sheet having high gas barrier performance, high water vapor barrier performance, and antistatic performance, and a packaging material and an electronic device that include the antistatic sheet. The present invention relates to an antistatic sheet including a multilayer structure including a base (X), a layer (Z) containing an aluminum atom, and a layer (Y). The layer (Y) contains a polymer (A) having a vinylphosphonic acid unit, and the layer (Y) has a surface electrical resistivity of 1.0×106 ?/sq or more and 4.0×1013 ?/sq or less.
    Type: Application
    Filed: July 14, 2015
    Publication date: August 10, 2017
    Applicant: KURARAY CO., LTD.
    Inventors: Yasutaka INUBUSHI, Ryoichi SASAKI, Yuji SHIMIZU, Masakazu NAKAYA
  • Publication number: 20170222850
    Abstract: A signal converter 100 includes, for at least two-phase signals detected by a resolver excited by a carrier signal having a carrier frequency fc, a first phase shifter 101 that shifts a phase of a first phase signal of the resolver with a pole at a frequency f1 lower than the carrier frequency fc, a second phase shifter 102 that shifts a phase of a second phase signal of the resolver with a pole at a frequency f2 higher than the carrier frequency fc, and a synthesizer 103 that combines the phase-shifted first phase signal with the phase-shifted second phase signal.
    Type: Application
    Filed: April 11, 2017
    Publication date: August 3, 2017
    Inventors: Yuji SHIMIZU, Akane HIROSHIMA, Yutaka ONO
  • Publication number: 20170129216
    Abstract: The present invention relates to a multilayer structure including a base (X), a layer (Y), and a layer (Z) disposed contiguous to the layer (Y). The layer (Y) includes a compound (A) containing a phosphorus atom and a polymer (B) having a hydroxy group and/or carboxyl group. A mass ratio between the compound (A) and the polymer (B) is 15:85 to 99:1 in the layer (Y). The layer (Z) is a layer containing aluminum atoms.
    Type: Application
    Filed: July 1, 2015
    Publication date: May 11, 2017
    Applicant: KURARAY CO., LTD.
    Inventors: Yuji SHIMIZU, Ryoichi SASAKI, Yasutaka INUBUSHI, Masakazu NAKAYA
  • Patent number: 9641367
    Abstract: A signal converter 100 includes, for at least two-phase signals detected by a resolver excited by a carrier signal having a carrier frequency fc, a first phase shifter 101 that shifts a phase of a first phase signal of the resolver with a pole at a frequency f1 lower than the carrier frequency fc, a second phase shifter 102 that shifts a phase of a second phase signal of the resolver with a pole at a frequency f2 higher than the carrier frequency fc, and a synthesizer 103 that combines the phase-shifted first phase signal with the phase-shifted second phase signal.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: May 2, 2017
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Yuji Shimizu, Akane Hiroshima, Yutaka Ono
  • Patent number: 9570067
    Abstract: According to an embodiment, a text-to-speech device includes a receiver to receive an input text containing a peculiar expression; a normalizer to normalize the input text based on a normalization rule in which the peculiar expression, a normal expression of the peculiar expression, and an expression style of the peculiar expression are associated, to generate normalized texts; a selector to perform language processing of each normalized text, and select a normalized text based on result of the language processing; a generator generate a series of phonetic parameters representing phonetic expression of the selected normalized text; a modifier modifies a phonetic parameter in the normalized text corresponding to the peculiar expression in the input text based on a phonetic parameter modification method according to the normalization rule of the peculiar expression; and a output unit to output a phonetic sound synthesized using the series of phonetic parameters including the modified phonetic parameter.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: February 14, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomohiro Yamasaki, Yuji Shimizu, Noriko Yamanaka, Makoto Yajima, Yuichi Miyamura
  • Publication number: 20170041168
    Abstract: A signal converter 100 includes, for at least two-phase signals detected by a resolver excited by a carrier signal having a carrier frequency fc, a first phase shifter 101 that shifts a phase of a first phase signal of the resolver with a pole at a frequency f1 lower than the carrier frequency fc, a second phase shifter 102 that shifts a phase of a second phase signal of the resolver with a pole at a frequency f2 higher than the carrier frequency fc, and a synthesizer 103 that combines the phase-shifted first phase signal with the phase-shifted second phase signal.
    Type: Application
    Filed: May 20, 2016
    Publication date: February 9, 2017
    Inventors: Yuji SHIMIZU, Akane HIROSHIMA, Yutaka ONO
  • Publication number: 20160331329
    Abstract: It is possible to reduce power consumption of a pulsimeter while suppressing a degradation in an accuracy of measuring pulse. A pulsimeter 1 includes a light emitter 10, a photodetector 12, an AD converter 14, a frequency analyzing unit 15, and an adjusting unit 17. The light emitter 10 emits light to a blood vessel of a measurement target. The photodetector 12 detects light emitted by the light emitter 10 via the blood vessel. The AD converter 14 analog/digital converts an output signal of the photodetector 12. The frequency analyzing unit 15 frequency-analyzes data converted by the AD converter 14. The adjusting unit 17 adjusts an amount of light emitted by the light emitter 10 based on the analysis result by the frequency analyzing unit 15.
    Type: Application
    Filed: April 8, 2016
    Publication date: November 17, 2016
    Applicant: Renesas Electronics Corporation
    Inventors: Akane HIROSHIMA, Yuji SHIMIZU
  • Publication number: 20160331250
    Abstract: It is possible to reduce power consumption of a pulsimeter. A pulsimeter 2 includes a light emitter 10, a photodetector 12, a sample and hold circuit 20, an AD converter 14, and a time measurement unit 22. The light emitter 10 periodically repeats a light emission for a predetermined period of time to a blood vessel of a measurement target. The photodetector 12 detects light emitted by the light emitter 10 via the blood vessel. The sample and hold circuit 20 takes and holds an output voltage of the photodetector 12. The AD converter 14 analog/digital converts an output voltage of the sample and hold circuit 20. The time measurement unit 22 measures a time for an output of the sample and hold circuit to be constant. A light emitting time of the light emitter is set by the time measured by the time measurement unit 22.
    Type: Application
    Filed: April 8, 2016
    Publication date: November 17, 2016
    Applicant: Renesas Electronics Corporation
    Inventors: Akane HIROSHIMA, Yuji SHIMIZU
  • Patent number: 9493359
    Abstract: An apparatus for producing trichlorosilane, including: a reaction vessel in which a supply gas containing silicon tetrachloride and hydrogen is supplied to an internal reaction passageway to produce a reaction product gas containing trichlorosilane and hydrogen chloride; a heating mechanism that heats the interior of the reaction vessel; a gas supply section that supplies the supply gas in the reaction vessel; and a gas discharge section that discharges the reaction product gas from the reaction vessel to the outside, wherein the reaction passageway includes: a supply side passageway which is connected to the gas supply section at a central portion of the reaction vessel and flows the supply gas toward the outside while meandering in the reaction vessel; a return passageway which is connected to a downstream end of the supply side passageway and extends to the central portion of the reaction vessel; and a discharge side passageway that is disposed so as to be connected to a downstream end of the return passag
    Type: Grant
    Filed: October 24, 2007
    Date of Patent: November 15, 2016
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Toshiyuki Ishii, Hideo Ito, Yuji Shimizu
  • Publication number: 20160274894
    Abstract: According to one embodiment, an update support apparatus includes a first storage, a second storage, an extractor and a presenter. The first storage stores an identifier, word information, and an update history which are associated with each other. The second storage stores dictionary entries in each of which the identifier and the update history are associated with each other for each version of one or more dictionaries which use the word information. The extractor extracts one or more update candidates from the second storage, the one or more update candidates each being a dictionary entry having the identifier stored in the first storage and an update history different from the update history stored in the first storage. The presenter presents the one or more update candidates to a user.
    Type: Application
    Filed: March 8, 2016
    Publication date: September 22, 2016
    Inventors: Yuji Shimizu, Tomohiro Yamasaki, Masayuki Ashikawa, Noriko Yamanaka, Makoto Yajima, Yuichi Miyamura
  • Publication number: 20160235371
    Abstract: An object of the invention is to shorten a measurement time while preventing deterioration in resolution during frequency analysis and preventing a reduction in measurement range. A pulsimeter (1) includes a pulse data acquisition unit (100), a replication unit (16), and a frequency analysis unit (17). The replication unit (16) generates, when the number of pieces of acquired sampling data for a pulse rate calculation reaches n, m pieces of sampling data using the n pieces of sampling data and data obtained by replicating n-th sampling data. The frequency analysis unit (17) performs a frequency analysis on the m pieces of sampling data.
    Type: Application
    Filed: December 2, 2015
    Publication date: August 18, 2016
    Applicant: Renesas Electronics Corporation
    Inventors: Akane HIROSHIMA, Naoya TOKIMOTO, Yuji SHIMIZU
  • Patent number: 9416014
    Abstract: An apparatus for producing trichlorosilane, including: a reaction vessel in which a supply gas containing silicon tetrachloride and hydrogen is supplied to produce a reaction product gas containing trichlorosilane and hydrogen chloride; a heating mechanism that heats the interior of the reaction vessel; a gas supply section that supplies the supply gas in the reaction vessel; and a gas discharge section that discharges the reaction product gas from the reaction vessel to the outside, wherein a reaction passageway is formed in the interior of the reaction vessel, in which a plurality of small spaces partitioned by a plurality of reaction tubular walls that have different inner diameters and are substantially concentrically disposed communicate by flow penetration sections formed alternately in lower portions and upper portions of the reaction tubular walls in order from the inside, and the gas supply section and the gas discharge section are connected to the reaction passageway.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: August 16, 2016
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Toshiyuki Ishii, Hideo Ito, Yuji Shimizu
  • Patent number: 9280967
    Abstract: According to one embodiment, an apparatus for supporting reading of a document includes a model storage unit, a document acquisition unit, a feature information extraction, and an utterance style estimation unit. The model storage unit is configured to store a model which has trained a correspondence relationship between first feature information and an utterance style. The first feature information is extracted from a plurality of sentences in a training document. The document acquisition unit is configured to acquire a document to be read. The feature information extraction unit is configured to extract second feature information from each sentence in the document to be read. The utterance style estimation unit is configured to compare the second feature information of a plurality of sentences in the document to be read with the model, and to estimate an utterance style of the each sentence of the document to be read.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: March 8, 2016
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kosei Fume, Masaru Suzuki, Masahiro Morita, Kentaro Tachibana, Kouichirou Mori, Yuji Shimizu, Takehiko Kagoshima, Masatsune Tamura, Tomohiro Yamasaki
  • Publication number: 20160052791
    Abstract: An apparatus for producing trichlorosilane, including: a reaction vessel in which a supply gas containing silicon tetrachloride and hydrogen is supplied to produce a reaction product gas containing trichlorosilane and hydrogen chloride; a heating mechanism that heats the interior of the reaction vessel; a gas supply section that supplies the supply gas in the reaction vessel; and a gas discharge section that discharges the reaction product gas from the reaction vessel to the outside, wherein a reaction passageway is formed in the interior of the reaction vessel, in which a plurality of small spaces partitioned by a plurality of reaction tubular walls that have different inner diameters and are substantially concentrically disposed communicate by flow penetration sections formed alternately in lower portions and upper portions of the reaction tubular walls in order from the inside, and the gas supply section and the gas discharge section are connected to the reaction passageway.
    Type: Application
    Filed: November 2, 2015
    Publication date: February 25, 2016
    Inventors: Toshiyuki Ishii, Hideo Ito, Yuji Shimizu
  • Publication number: 20150336004
    Abstract: Systems and methods for automatically provisioning game objects, such as gear, to characters in online applications, such as games, are described. In some embodiments, the systems and methods receive an indication that a player of an online game has achieved a task provided by the online game, identify a character assigned to the player, the character being one of multiple characters available to players of the online game, select a game object that is directly associated with the identified character assigned to the player, and automatically provide the player of the online game with the selected game object.
    Type: Application
    Filed: May 21, 2014
    Publication date: November 26, 2015
    Applicant: DeNA Co., Ltd.
    Inventors: Yuji SHIMIZU, Nobyshi FUJIMORI, Kazuhiro KONDO
  • Publication number: 20150335999
    Abstract: Systems and methods for facilitating the collaboration of players in an online game are described. In some embodiments, the systems and methods determine a first player of the online game has reached a zero lives status within a game instance of the online game, select a second player of the online game according to a predetermined selection criteria, and provide the second player with access to the game instance of the online game at a stage within the game instance that corresponds to a stage at which the first player reached the zero lives status.
    Type: Application
    Filed: May 21, 2014
    Publication date: November 26, 2015
    Applicant: DeNA Co., Ltd.
    Inventors: Yuji SHIMIZU, Nobyshi FUJIMORI, Kazuhiro KONDO
  • Publication number: 20150269927
    Abstract: According to an embodiment, a text-to-speech device includes a receiver to receive an input text containing a peculiar expression; a normalizer to normalize the input text based on a normalization rule in which the peculiar expression, a normal expression of the peculiar expression, and an expression style of the peculiar expression are associated, to generate normalized texts; a selector to perform language processing of each normalized text, and select a normalized text based on result of the language processing; a generator generate a series of phonetic parameters representing phonetic expression of the selected normalized text; a modifier modifies a phonetic parameter in the normalized text corresponding to the peculiar expression in the input text based on a phonetic parameter modification method according to the normalization rule of the peculiar expression; and a output unit to output a phonetic sound synthesized using the series of phonetic parameters including the modified phonetic parameter.
    Type: Application
    Filed: March 11, 2015
    Publication date: September 24, 2015
    Inventors: Tomohiro Yamasaki, Yuji Shimizu, Noriko Yamanaka, Makoto Yajima, Yuichi Miyamura