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).

  • Patent number: 9835458
    Abstract: A ship assignment device acquires voyage schedule information including an operation time schedule and a sailing route of a voyage. The ship assignment device acquires, from a database, weather information related to the operation time schedule and the sailing route included in the schedule information. The ship assignment device acquires information regarding variations in fuel consumption rate from a database that stores the information for each of plural ships. On the basis of the acquired weather information and acquired information regarding each ship, the ship assignment device calculates the fuel consumption for when each ship sails on the sailing route included in the acquired voyage schedule information in accordance with the operation time schedule included in the voyage schedule information. On the basis of the calculation result, the ship assignment device outputs information identifying plural ships.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: December 5, 2017
    Assignee: NIPPON YUSEN KABUSHIKI KAISHA
    Inventors: Yuji Otsuka, Atsushi Yamaguchi, Masaharu Urabe, Ryo Kakuta
  • Publication number: 20170337940
    Abstract: A manufacturing method for a magnetic head forms a leading shield having a top surface. The top surface of the leading shield includes first and second portions. The second portion is located farther from a medium facing surface than is the first portion, and recessed from the first portion. A first gap layer is then formed on the first portion. Then, a magnetic layer including an initial first side shield, an initial second side shield and a coupling section connecting them is formed using a mold. The mold is then removed. The coupling section is then removed by etching the magnetic layer. A second gap layer and a main pole are then formed in this order.
    Type: Application
    Filed: May 23, 2016
    Publication date: November 23, 2017
    Applicant: TDK CORPORATION
    Inventors: Hiroki ARITOMO, Atsushi YAMAGUCHI, Michitaka NISHIYAMA, Yumiko YOKOYAMA, Koichi OTANI
  • Patent number: 9824700
    Abstract: A manufacturing method for a magnetic head forms a leading shield having a top surface. The top surface of the leading shield includes first and second portions. The second portion is located farther from a medium facing surface than is the first portion, and recessed from the first portion. A first gap layer is then formed on the first portion. Then, a magnetic layer including an initial first side shield, an initial second side shield and a coupling section connecting them is formed using a mold. The mold is then removed. The coupling section is then removed by etching the magnetic layer. A second gap layer and a main pole are then formed in this order.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: November 21, 2017
    Assignee: TDK CORPORATION
    Inventors: Hiroki Aritomo, Atsushi Yamaguchi, Michitaka Nishiyama, Yumiko Yokoyama, Koichi Otani
  • Patent number: 9812682
    Abstract: A battery pack includes a battery module including a plurality of rechargeable batteries, an electronic component that contributes to charging and discharging of the rechargeable batteries, and an installation body including an extending portion, which extends vertically. The installation body includes a placing portion, which projects from the extending portion in a direction crossing the vertical direction. At least one of the battery module and the electronic component is installed in the extending portion while being placed on the placing portion.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: November 7, 2017
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Kazuki Maeda, Takayuki Kato, Shintaro Watanabe, Hidefumi Oishi, Takashi Sakai, Yuki Chujo, Hiromi Ueda, Naoto Morisaku, Atsushi Yamaguchi
  • Patent number: 9799344
    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: Grant
    Filed: April 28, 2016
    Date of Patent: October 24, 2017
    Assignee: NTT DoCoMo, Inc.
    Inventors: Kimitaka Tsutsumi, Kei Kikuiri, Atsushi Yamaguchi
  • Publication number: 20170301363
    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 27, 2017
    Publication date: October 19, 2017
    Inventors: Kei Kikuiri, Atsushi Yamaguchi
  • Patent number: 9777144
    Abstract: A method of production of an aqueous dispersion of hollow polymer particles including forming, on the outer layers of core polymer particle (A) on which inside shell layer (B) and intermediate shell layer (C) are formed, outside shell layer (D) obtained by using a monomer mixture (d) with a ratio of content of an acidic group-containing monomer controlled to 0.15 wt % or less and adding a base to an aqueous dispersion of the obtained polymer particle to make the pH of the aqueous dispersion 7 or more is provided.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: October 3, 2017
    Assignee: ZEON CORPORATION
    Inventor: Atsushi Yamaguchi
  • Publication number: 20170263274
    Abstract: This thin film magnetic head includes: a magnetic pole including an end surface exposed on an air bearing surface; and a heating element including a first branch and a second branch and configured to heat a vicinity of the magnetic pole. The first branch and the second branch each expand along a stacking surface and are coupled in parallel to each other. The stacking surface intersects the air bearing surface.
    Type: Application
    Filed: March 14, 2016
    Publication date: September 14, 2017
    Applicant: TDK CORPORATION
    Inventors: Katsuki KURIHARA, Atsushi YAMAGUCHI, Yosuke ANTOKU
  • Patent number: 9762790
    Abstract: An image pickup apparatus is equipped with a distance information calculator, a high frequency signal extractor, a focus assist signal generator, and a signal synthesizer. The distance information calculator calculates distance information of a video signal and generates an in-focus range signal from current focus information and the distance information. The high frequency signal extractor extracts a high frequency signal of the video signal. The focus assist signal generator generates a focus assist signal representing a focused region by using the high frequency signal and the in-focus range signal. The signal synthesizer synthesizes the focus assist signal with the video signal to generate a focus-assist-signal-added video signal.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: September 12, 2017
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventor: Atsushi Yamaguchi
  • Patent number: 9761240
    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: October 24, 2014
    Date of Patent: September 12, 2017
    Assignee: NTT DoCoMo, Inc
    Inventors: Kei Kikuiri, Atsushi Yamaguchi
  • Patent number: 9741371
    Abstract: A magnetic head includes a main pole, a write shield and a gap section. The write shield includes a trailing shield, a leading shield and two side shields. The gap section includes a trailing gap section, a leading gap section and two side gap sections. Each of the two side gap sections and the leading gap section increases in thickness with increasing distance from a medium facing surface. In the medium facing surface, the thickness of the leading gap section is greater than the width of each of the two side gap sections, and the width of each of the two side gap sections decreases with decreasing distance to the leading gap section.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: August 22, 2017
    Assignee: TDK CORPORATION
    Inventors: Atsushi Yamaguchi, Michitaka Nishiyama, Kei Hirata, Kenkichi Anagawa
  • Publication number: 20170230568
    Abstract: An image pickup apparatus is equipped with a distance information calculator, a high frequency signal extractor, a focus assist signal generator, and a signal synthesizer. The distance information calculator calculates distance information of a video signal and generates an in-focus range signal from current focus information and the distance information. The high frequency signal extractor extracts a high frequency signal of the video signal. The focus assist signal generator generates a focus assist signal representing a focused region by using the high frequency signal and the in-focus range signal. The signal synthesizer synthesizes the focus assist signal with the video signal to generate a focus-assist-signal-added video signal.
    Type: Application
    Filed: January 27, 2017
    Publication date: August 10, 2017
    Inventor: ATSUSHI YAMAGUCHI
  • Patent number: 9729135
    Abstract: In a gate driver for driving a first transistor, the gate driver includes first, second and third push-pull circuits, in each of the push-pull circuits, two transistors are connected in series, an output terminal of the first push-pull circuit is connected to the gate of the first transistor, an output terminal of the second push-pull circuit is connected to the gate of a second transistor included in the first push-pull circuit and an output terminal of the third push-pull circuit is connected to the gate of a third transistor included in the first push-pull circuit.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: August 8, 2017
    Assignees: Rohm Co., Ltd., Kyoto University
    Inventors: Atsushi Yamaguchi, Kentaro Chikamatsu, Takashi Hikihara, Kohei Nagaoka
  • Patent number: 9719520
    Abstract: An operation unit calculates, for each object, a ratio of an amount of temperature rise against a tolerance for temperature rise by using an amount of temperature rise from a predetermined temperature of each object when each fan is operated with a first air volume of each fan and a tolerance for temperature rise from the predetermined temperature of each object. The operation unit calculates a second air volume of each fan, based on the ratio calculated for each object and cooling contribution information of each fan to the object.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: August 1, 2017
    Assignee: FUJITSU LIMITED
    Inventors: Atsushi Yamaguchi, Akihiro Otsuka, Tadashi Katsui, Akira Ueda, Hiroyuki Furuya, Kazuhiro Nitta
  • Patent number: 9714311
    Abstract: A hollow polymer particle includes a structure body that contains a structure including (1) a core polymer formed by copolymerizing a monomer mixture (a) consisting of 20 to 60% by weight of an acid group-containing monomer and 80 to 40% by weight of another monomer that is copolymerizable with the acid group-containing monomer and (2) a shell polymer formed by copolymerizing a monomer mixture (b) consisting of 0 to 15% by weight of an acid group-containing monomer and 100 to 85% by weight of another monomer that is copolymerizable with the acid group-containing monomer so that the shell polymer substantially surrounding the core polymer. The structure body has at least one void formed by neutralization of at least one portion of an acid group contained in the core polymer. The hollow polymer particle is obtained by adding a preservative during a time period after formation of the core polymer and before formation of the shell polymer.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: July 25, 2017
    Assignee: ZEON CORPORATION
    Inventor: Atsushi Yamaguchi
  • Patent number: 9704511
    Abstract: The perpendicular magnetic recording head includes a magnetic pole including a first region and a second region, the first region having a first specific resistance and an end surface exposed on an air bearing surface, the second region having a second specific resistance higher than the first specific resistance and being located at a position recessed from the air bearing surface.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: July 11, 2017
    Assignee: TDK CORPORATION
    Inventors: Hideyuki Ukita, Kenkichi Anagawa, Kei Hirata, Atsushi Yamaguchi, Ittetsu Kitajima
  • Publication number: 20170180839
    Abstract: An electronic device includes: a case having an aperture; a board located within the case; a microphone located at a position corresponding to the aperture of the case; a partition wall located between the board and the case to surround a periphery of the microphone; and a sound absorbing material having a density of 46 kg/m3 to 69 kg/m3, and located in a space partitioned by the board, the partition wall, and the case to cover the microphone.
    Type: Application
    Filed: November 18, 2016
    Publication date: June 22, 2017
    Applicant: FUJITSU LIMITED
    Inventors: Atsushi Yamaguchi, Daisuke Mihara, TATSUYA FUKUSHI
  • Publication number: 20170148459
    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 20, 2016
    Publication date: May 25, 2017
    Inventors: Kimitaka Tsutsumi, Kei Kikuiri, Atsushi Yamaguchi
  • Publication number: 20170117000
    Abstract: The purpose of the present invention is to reduce distortion a frequency band component encoded with a small number of bits in a time domain and improve quality. An audio decoding device decodes an encoded audio signal and outputs the audio signal. A decoding unit decodes an encoded sequence containing an encoded audio signal and obtains a decoded signal. A selective temporal envelope shaping unit shapes a temporal envelope of a decoded signal in the frequency band on the basis of decoding related information concerning decoding of the encoded sequence.
    Type: Application
    Filed: March 20, 2015
    Publication date: April 27, 2017
    Inventors: Kei KIKUIRI, Atsushi YAMAGUCHI
  • Patent number: 9627345
    Abstract: A semiconductor-mounted product includes a semiconductor package, a circuit board, a solder bonding part, and a resin reinforcing part. Wiring is formed on the surface of the circuit board, and the semiconductor package is mounted on the circuit board. The solder bonding part electrically connects the semiconductor package with the wiring. The resin reinforcing part is formed on a side surface of the solder bonding part such that the solder bonding part is partially exposed. The bonding part has a first solder region formed closer to the semiconductor package than the circuit board, and a second solder region formed closer to the circuit board than the semiconductor package.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: April 18, 2017
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Atsushi Yamaguchi, Yasuo Fukuhara