Patents by Inventor Kei Yamaguchi

Kei Yamaguchi 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: 20200411281
    Abstract: The present invention proposes a pattern measurement tool characterized by being provided with: a charged-particle beam sub-system having a tilt deflector; and a computer sub-system which is connected to the charged-particle beam sub-system and which is for executing measurement of a pattern on the basis of a signal obtained by said charged-particle beam sub-system, wherein the charged-particle beam sub-system acquires at least two signal profiles by scanning beams having at least two incidence angles, the computer sub-system measures the dimension between one end and the other end of the pattern on the basis of the at least two signal profiles, calculates the difference between the two measurements, and calculates the height of the pattern by inputting the difference value determined by said calculation into a relational formula indicating the relation between the height of the pattern and said difference value.
    Type: Application
    Filed: March 19, 2018
    Publication date: December 31, 2020
    Inventors: Satoru YAMAGUCHI, Kei SAKAI, Makoto SUZUKI, Ryota WATANABE
  • Publication number: 20200398557
    Abstract: A liquid ejecting apparatus executing a print operation of ejecting liquid to a medium when a print job is input includes nozzles configured to eject liquid, piezoelectric elements corresponding to the nozzles, and driving circuits configured to supply a micro vibration pulse for generating micro vibration in the liquid included in the nozzles without ejection of the liquid from the nozzles to the piezoelectric elements. Strength of the micro vibration generated by the micro vibration pulse varies based on the print job.
    Type: Application
    Filed: June 22, 2020
    Publication date: December 24, 2020
    Inventors: Daisuke MATSUMOTO, Kei YAMAGUCHI
  • Publication number: 20200385422
    Abstract: Crystals of the compound represented by formula (1), a method for the production thereof, and a method for producing an antibody-drug conjugate using the crystals.
    Type: Application
    Filed: August 30, 2018
    Publication date: December 10, 2020
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Tatsuya YAMAGUCHI, Takashi KOUKO, Shigeru NOGUCHI, Yohei YAMANE, Fumikatsu KONDO, Takahiro AOKI, Tadahiro TAKEDA, Kohei SAKANISHI, Hitoshi SATO, Tsuyoshi UEDA, Shinji MATUURA, Kei KURAHASHI, Yutaka KITAGAWA, Tatsuya NAKAMURA
  • Patent number: 10854821
    Abstract: Provided is an organic light emitting device having high emission efficiency and a long continuous driving lifetime. The organic light emitting device includes: an anode; a cathode; and an emitting layer placed between the anode and the cathode, in which: the emitting layer contains an emitting material that emits fluorescence; and in an emission wavelength region of the emitting material, an absorption peak of an absorption spectrum in a minimum excited triplet state of a material having a smallest minimum excited triplet energy out of constituent materials in the emitting layer is absent.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: December 1, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kenichi Ikari, Hiroki Ohrui, Yojiro Matsuda, Haruna Iida, Masumi Itabashi, Kei Tagami, Tetsuo Takahashi, Satoru Shiobara, Tomona Yamaguchi
  • Patent number: 10839829
    Abstract: A magnetic head includes a medium facing surface, a coil, a main pole, and a substrate. The main pole includes a first layer, and a second layer lying on the first layer. The first layer includes a thickness-changing portion whose dimension in a direction perpendicular to a top surface of the substrate decreases with decreasing distance to the medium facing surface. At least part of the second layer is located on the thickness-changing portion.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: November 17, 2020
    Assignee: HEADWAY TECHNOLOGIES, INC.
    Inventors: Yoshitaka Sasaki, Hiroyuki Ito, Kazuki Sato, Shigeki Tanemura, Tetsuya Roppongi, Kei Hirata, Atsushi Yamaguchi, Michitaka Nishiyama
  • Publication number: 20200355993
    Abstract: An optical system includes a light source, an illumination optical system, and an optical modulator. The lens array and the lens of the illumination optical system are arranged in that order from an upstream side of an optical path of light from the light source. The light shield is disposed at the upstream side relative to the lens in the optical path. The light shield blocks some rays incident within a range of an effective diameter of the lens. The illumination optical system emits the light to the optical modulator. The optical modulator emits the incident light to a first direction and a second direction different from the first direction. A center of an effective diameter of the lens array is offset from a center of the effective diameter of the lens to an opposite side of the light shield in a direction orthogonal to the optical axis.
    Type: Application
    Filed: March 31, 2020
    Publication date: November 12, 2020
    Inventors: Kei ADACHI, Yukako YAMAGUCHI
  • Publication number: 20200331258
    Abstract: A liquid ejecting apparatus according to an aspect of the present disclosure has a nozzle configured to eject a liquid, a pressure chamber communicating with the nozzle, a piezoelectric element that varying pressure in the pressure chamber, an endless transport belt transporting a medium, an electrifying section electrifying the transport belt, and a driving circuit that supplying, to the piezoelectric element, a micro-vibration pulse that generates micro-vibration in the liquid in the pressure chamber without causing the liquid to be ejected from the nozzle. The micro-vibration pulse is varied according to first data related to the state of a meniscus in the nozzle in a first state in which the nozzle and the transport belt electrified by the electrifying section face each other.
    Type: Application
    Filed: April 21, 2020
    Publication date: October 22, 2020
    Inventors: Kei YAMAGUCHI, Daisuke MATSUMOTO
  • Publication number: 20200307055
    Abstract: A method of generating the analysis conditions of an injection molding machine by using at least one computer, the at least one computer executing the steps of: selecting one of injection molding machines, each being associated with a predetermined correction amount of injection molding; generating a second analysis condition for the selected injection molding machine on the basis of an acquired first analysis condition and the predetermined correction amount of the selected injection molding machine; and outputting the generated second analysis condition.
    Type: Application
    Filed: March 16, 2020
    Publication date: October 1, 2020
    Applicant: HITACHI, LTD.
    Inventors: Ryotaro SHIMADA, Satoshi ARAI, Kei YAMAGUCHI
  • Publication number: 20200302945
    Abstract: An objective of the present invention is to correct a temporal envelope shape of a decoded signal with a small information volume and to reduce perceptible distortions.
    Type: Application
    Filed: June 5, 2020
    Publication date: September 24, 2020
    Applicant: NTT DOCOMO, INC.
    Inventors: Kei Kikuiri, Atsushi Yamaguchi
  • Publication number: 20200303159
    Abstract: To acquire a correction image by performing a sub-pixel shift process for shifting an image using a pixel interpolation filter by a pixel shift amount between pixels and a frequency correction process for correcting a frequency characteristic of the image after shifted.
    Type: Application
    Filed: March 5, 2020
    Publication date: September 24, 2020
    Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATION
    Inventors: Koichi HAMADA, Kei SAKAI, Satoru YAMAGUCHI
  • Publication number: 20200234723
    Abstract: An audio signal processing device comprises a discontinuity detector configured to determine an occurrence of a discontinuity from a sudden increase of an amplitude of decoded audio obtained by decoding the first audio packet which is received correctly after an occurrence of a packet loss, and a discontinuity corrector for correcting the discontinuity of the decoded audio.
    Type: Application
    Filed: April 9, 2020
    Publication date: July 23, 2020
    Applicant: NTT DOCOMO, INC.
    Inventors: Kimitaka Tsutsumi, Kei Kikuiri, Atsushi Yamaguchi
  • Patent number: 10714113
    Abstract: An objective of the present invention is to correct a temporal envelope shape of a decoded signal with a small information volume and to reduce perceptible distortions.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: July 14, 2020
    Assignee: NTT DOCOMO, INC.
    Inventors: Kei Kikuiri, Atsushi Yamaguchi
  • Publication number: 20200201019
    Abstract: An image forming device is provided that is capable of forming a proper integrated signal even when an image or a signal waveform is acquired from a pattern having the possibility of preventing proper matching, such as a repetition pattern, a shrinking pattern, and the like. In particular, the image forming device forms an integrated image by integrating a plurality of image signals and is provided with: a matching processing section that performs a matching process between the plurality of image signals; an image integration section that integrates the plurality of image signals for which positioning has been performed by the matching processing section; and a periodicity determination section that determines a periodicity of a pattern contained in the image signals. The matching processing section varies a size of an image signal area for the matching in accordance with a determination by the periodicity determination section.
    Type: Application
    Filed: March 3, 2020
    Publication date: June 25, 2020
    Inventors: Yasunori TAKASUGI, Kei SAKAI, Satoru YAMAGUCHI, Kazuyuki HIRAO
  • Patent number: 10665420
    Abstract: Provided is a charged particle beam apparatus, aiming at obtaining an image and the like focused on the sample surface and the bottom while preventing the visual field deviation occurred when focusing on the sample surface and the bottom respectively. The charged particle beam apparatus forms a first image (301), which is based on detection of the first energy charged particles, based on an irradiation with a beam whose focus is adjusted on a sample surface side, forms a second image (304) which is based on detection of second energy charged particles having a relatively higher energy than the first energy and a third image (303) which is based on the detection of the first energy charged particles, based on the irradiation with a beam whose focus is adjusted on a bottom side of a pattern included in the sample, acquires a deviation between the first image and the third image, and composes the first image and the second image so as to correct the deviation.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: May 26, 2020
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Yasunori Takasugi, Satoru Yamaguchi, Kei Sakai, Hideki Itai, Yoshinori Momonoi, Toshimasa Kameda, Yoshihiro Kimura
  • Publication number: 20200159359
    Abstract: An electronic device includes: a housing; a sensor provided on an inner surface of the housing and configured to detect deformation of the housing; and a control unit configured to control an operation of the electronic device on the basis of a detection result of the sensor. The sensor has a first sensing unit configured to detect a prescribed user operation and a second sensing unit configured to compensate for a malfunction.
    Type: Application
    Filed: July 20, 2018
    Publication date: May 21, 2020
    Inventors: Tomoki KAWABATA, Yasushi ITOSHIRO, Toshiaki NISHIKAWA, Munetake EBIHARA, Akira FUJISAWA, Kei TSUKAMOTO, Hiroaki YAMANA, Makoto YAMAGUCHI, Keisuke KINOKUNI
  • Publication number: 20200140424
    Abstract: An object of the present invention is to provide a compound that can be used as a more superior therapeutic agent for central nervous system diseases. The present invention provides a dihydrate of 7-[4-(4-benzo[b]thiophen-4-yl-piperazin-1-yl) butoxy]-1H-quinolin-2-one or of a salt thereof, and a process for producing the same.
    Type: Application
    Filed: September 9, 2019
    Publication date: May 7, 2020
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Hiroshi YAMASHITA, Tetsuya SATO, Takuya MINOWA, Yusuke HOSHIKA, Hidekazu TOYOFUKU, Tatsuya YAMAGUCHI, Masahiro SOTA, Shuuji KAWANO, Takayuki NAKAMURA, Ryohei ETO, Takuma IKEBUCHI, Kei MORIYAMA, Nobuaki ITO
  • Publication number: 20200126578
    Abstract: An audio signal transmission device for encoding an audio signal includes an audio encoding unit that encodes an audio signal and a side information encoding unit that calculates and encodes side information from a look-ahead signal. An audio signal receiving device for decoding an audio code and outputting an audio signal includes: an audio code buffer that detects packet loss based on a received state of an audio packet, an audio parameter decoding unit that decodes an audio code when an audio packet is correctly received, a side information decoding unit that decodes a side information code when an audio packet is correctly received, a side information accumulation unit that accumulates side information obtained by decoding a side information code, an audio parameter missing processing unit that outputs an audio parameter upon detection of audio packet loss, and an audio synthesis unit that synthesizes decoded audio from the audio parameter.
    Type: Application
    Filed: December 17, 2019
    Publication date: April 23, 2020
    Applicant: NTT DOCOMO, INC.
    Inventors: Kimitaka Tsutsumi, Kei Kikuiri, Atsushi Yamaguchi
  • Publication number: 20200126577
    Abstract: An audio signal transmission device for encoding an audio signal includes an audio encoding unit that encodes an audio signal and a side information encoding unit that calculates and encodes side information from a look-ahead signal. An audio signal receiving device for decoding an audio code and outputting an audio signal includes: an audio code buffer that detects packet loss based on a received state of an audio packet, an audio parameter decoding unit that decodes an audio code when an audio packet is correctly received, a side information decoding unit that decodes a side information code when an audio packet is correctly received, a side information accumulation unit that accumulates side information obtained by decoding a side information code, an audio parameter missing processing unit that outputs an audio parameter upon detection of audio packet loss, and an audio synthesis unit that synthesizes decoded audio from the audio parameter.
    Type: Application
    Filed: December 17, 2019
    Publication date: April 23, 2020
    Inventors: Kimitaka Tsutsumi, Kei Kikuiri, Atsushi Yamaguchi
  • Publication number: 20200126576
    Abstract: An audio signal transmission device for encoding an audio signal includes an audio encoding unit that encodes an audio signal and a side information encoding unit that calculates and encodes side information from a look-ahead signal. An audio signal receiving device for decoding an audio code and outputting an audio signal includes: an audio code buffer that detects packet loss based on a received state of an audio packet, an audio parameter decoding unit that decodes an audio code when an audio packet is correctly received, a side information decoding unit that decodes a side information code when an audio packet is correctly received, a side information accumulation unit that accumulates side information obtained by decoding a side information code, an audio parameter missing processing unit that outputs an audio parameter upon detection of audio packet loss, and an audio synthesis unit that synthesizes decoded audio from the audio parameter.
    Type: Application
    Filed: December 17, 2019
    Publication date: April 23, 2020
    Inventors: Kimitaka Tsutsumi, Kei Kikuiri, Atsushi Yamaguchi
  • Patent number: 10621999
    Abstract: An audio signal processing device comprises a discontinuity detector configured to determine an occurrence of a discontinuity from a sudden increase of an amplitude of decoded audio obtained by decoding the first audio packet which is received correctly after an occurrence of a packet loss, and a side information encoder configured to encode side information about the discontinuity.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: April 14, 2020
    Assignee: NTT DOCOMO, INC.
    Inventors: Kimitaka Tsutsumi, Kei Kikuiri, Atsushi Yamaguchi