Patents by Inventor Atsushi Yamaguchi

Atsushi 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: 20210025986
    Abstract: There is provided a light source unit, a deflecting unit, and an optical system. The light source unit is configured to emit a pulse light. The deflecting unit is configured to deflect the pulse light in a directionally variable manner and emit the pulse light as a scanning light. The optical system is disposed on an optical path of the scanning light. The optical system is configured to project the scanning light to a predetermined region. The optical system includes a telecentric lens. The scanning light enters the telecentric lens. The optical system is configured to adjust a projection direction of the scanning light that has passed through the telecentric lens.
    Type: Application
    Filed: March 8, 2019
    Publication date: January 28, 2021
    Inventor: Atsushi YAMAGUCHI
  • Publication number: 20200388610
    Abstract: A semiconductor rectifier includes a transistor and a diode. The transistor includes a source electrode, a drain electrode and a gate electrode. The diode includes an anode electrode and a cathode electrode. The anode electrode is electrically connected to the gate electrode, and the cathode electrode is electrically connected to the source electrode.
    Type: Application
    Filed: November 26, 2018
    Publication date: December 10, 2020
    Inventors: Atsushi YAMAGUCHI, Junichi KASHIWAGI, Yohei MORIYAMA
  • 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
  • Patent number: 10803888
    Abstract: A manufacturing method for a magnetic head includes the steps of: forming a main pole; forming a spin torque oscillator; and forming a trailing shield. The step of forming the spin torque oscillator includes: a step of forming a layered film; a step of forming an interposition layer; a step of forming a mask; a first etching step of etching a portion of the interposition layer using the mask; a second etching step of etching a portion of the layered film using the mask and the interposition layer as an etching mask; a step of removing the interposition layer and the mask; and a patterning step of patterning the layered film into the spin torque oscillator.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: October 13, 2020
    Assignee: HEADWAY TECHNOLOGIES, INC.
    Inventors: Yoshitaka Sasaki, Hiroyuki Ito, Kazuki Sato, Shigeki Tanemura, Hironori Araki, Yoji Nomura, Tetsuya Roppongi, Atsushi 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
  • Patent number: 10748559
    Abstract: A magnetic head includes a main pole, a trailing shield, a spin torque oscillator, and a buffer layer. The buffer layer is interposed between the main pole and the spin torque oscillator. The spin torque oscillator has first and second side surfaces. The first and second side surfaces respectively form first and second angles with respect to a direction perpendicular to a top surface of a substrate. The first and second angles each fall within a range of 0° to 10°. The buffer layer has third and fourth side surfaces. The third side surface includes a first inclined portion forming a third angle greater than the first angle. The fourth side surface includes a second inclined portion forming a fourth angle greater than the second angle.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: August 18, 2020
    Assignee: HEADWAY TECHNOLOGIES, INC.
    Inventors: Hironori Araki, Yoshitaka Sasaki, Hiroyuki Ito, Yoji Nomura, Shigeki Tanemura, Kazuki Sato, Tetsuya Roppongi, Atsushi 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: 20200191562
    Abstract: An irradiation unit configured to scan and irradiate a sample with pulse waves; a reception unit configured to receive reflected waves of the pulse waves from the sample; a waveform generation unit configured to generate time waveforms of a signal representing the reflected waves at respective scan positions of the pulse waves; and a waveform correction unit configured to detect at least one peak in each of the time waveforms, and correct each of the time waveforms on a basis of each of positions of the at least one peak in the time waveforms are included.
    Type: Application
    Filed: August 22, 2018
    Publication date: June 18, 2020
    Inventor: Atsushi YAMAGUCHI
  • Publication number: 20200172666
    Abstract: A thermosetting resin composition contains a thermosetting resin, an activator, and a thixotropy-imparting agent. The thermosetting resin contains a main agent and a curing agent. The main agent contains a di- or higher functional oxetane compound.
    Type: Application
    Filed: June 9, 2017
    Publication date: June 4, 2020
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yasuo FUKUHARA, 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
  • 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
  • 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
  • Publication number: 20200087953
    Abstract: A door lock apparatus for vehicle includes a first electric circuit, a second electric circuit, and a positioning member. The first electric circuit includes first electric conductive plates formed with terminals connected to an electrical component. The first electric circuit also includes a first support member extending over terminals of the first electric conductive plates, the first support member supporting terminals of the first electric conductive plates. The second electric circuit includes second electric conductive plates formed with terminals connected to an electrical component. The second electric circuit also includes a second support member extending over terminals of the second electric conductive plates, the second support member supporting terminals of the second electric conductive plates. The positioning member determines positions of the first support member and the second support member, and is commonly used for the first support member and the second support member.
    Type: Application
    Filed: August 27, 2019
    Publication date: March 19, 2020
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Yoshiki ODAKA, Masanari IWATA, Kyoji HIRONO, Atsushi YAMAGUCHI
  • Patent number: 10586558
    Abstract: A magnetic head includes a main pole and a write shield. The write shield includes a bottom shield, a first side shield and a second side shield. The first side shield has first and second sidewalls. The second side shield has third and fourth sidewalls. Each of the second and fourth sidewalls has a top edge farthest from a top surface of a substrate. The top edge of each of the second and fourth sidewalls is parallel to a medium facing surface. A portion of a top surface of the bottom shield, the first sidewall, and the third sidewall define a receiving section to receive a portion of the main pole. The receiving section has a bottom including a first inclined portion, a second inclined portion, and a third inclined portion.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: March 10, 2020
    Assignee: HEADWAY TECHNOLOGIES, INC.
    Inventors: Yoshitaka Sasaki, Hiroyuki Ito, Kazuki Sato, Shigeki Tanemura, Hironori Araki, Atsushi Yamaguchi, Kei Hirata
  • Publication number: 20200067407
    Abstract: A ripple injection circuit equipped with: a capacitor that passes a frequency component of an input voltage or a frequency component of an output voltage and that generates a first ripple voltage having a first ripple component; and an integration circuit that integrates a comparison result signal and that generates a second ripple voltage having a second ripple component. The first ripple component and the second ripple component are added to a feedback voltage.
    Type: Application
    Filed: May 10, 2018
    Publication date: February 27, 2020
    Applicant: ROHM CO., LTD.
    Inventors: Junichi KASHIWAGI, Atsushi Yamaguchi, Yohei MORIYAMA, Yuta OKAWAUCHI, Yusuke NAKAKOHARA, Ken Nakahara
  • Patent number: 10553231
    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: Grant
    Filed: December 26, 2017
    Date of Patent: February 4, 2020
    Assignee: NTT DOCOMO, INC.
    Inventors: Kimitaka Tsutsumi, Kei Kikuiri, Atsushi Yamaguchi
  • Patent number: 10535625
    Abstract: According to a first aspect of the present disclosure, a semiconductor device is provided. The semiconductor device includes a first transistor, a second transistor, at least one source terminal, at least one gate terminal, at least one drain terminal, a source wire, a gate wire, a drain wire and a support part. The support part includes two first support-part edges and two second support-part edges. Each of the two first support-part edges is parallel to a first direction, and the two first support-part edges are spaced apart from each other in a second direction that is perpendicular to the first direction. Each of the two second support-part edges is physically connected to the two first support-part edges. The source wire, the gate wire and the drain wire cross at least one of the two second support-part edges in plan view.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: January 14, 2020
    Assignee: ROHM CO., LTD.
    Inventors: Atsushi Yamaguchi, Junichi Kashiwagi, Hirokatsu Umegami
  • Publication number: 20200011568
    Abstract: Provided is a register that can more surely suppress abnormal noise caused by air passing through a space between a damper and a retainer. An inner wall of an upper side wall of the retainer is formed with a plurality of rib parts provided on a downstream side relative to an outer periphery on the downstream side of a plate member in a closed state of a damper. The plurality of rib parts is arranged in a direction parallel to a turning axis of the damper, and adjacent rib parts are formed into different shapes. A soft seal member is provided with a plurality of protrusion parts on an upper surface of the outer periphery on the downstream side of the plate member.
    Type: Application
    Filed: July 2, 2019
    Publication date: January 9, 2020
    Applicants: HOWA PLASTICS CO., LTD., KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hidekazu MAKIMURA, Yosuke MATSUZAWA, Ryo NAGAHASHI, Atsushi YAMAGUCHI, Naoyuki TAKAHASHI