Patents by Inventor Seiji Yamasaki

Seiji Yamasaki 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: 20230251686
    Abstract: A screw fixing portion of an electronic apparatus includes a screw, a screw hole formed in a bottom cover to insert the screw therethrough, a stud provided on a top cover to be threaded with the screw, a substrate hole through which the screw is inserted at a point interposed between the bottom cover and the stud at a main substrate, a conductive sponge interposed between the bottom cover and the main substrate and provided around the screw, and a contact pair which is arranged opposite to each other so as to surround the substrate hole on the surface of the main substrate and contacts and conducts with the conductive sponge by fastening the screw.
    Type: Application
    Filed: December 6, 2022
    Publication date: August 10, 2023
    Applicant: LENOVO (SINGAPORE) PTE. LTD.
    Inventors: Seiji Yamasaki, Hideshi Tsukamoto, Minori Takao
  • Publication number: 20220264749
    Abstract: An electronic substrate includes: a body having a mounting surface; an electronic component having an opposed surface facing the mounting surface; and an adhesive layer that bonds the electronic component to the mounting surface. The mounting surface has a storage recess that stores at least a part of the adhesive layer. The storage recess is located from a first area overlapping the opposed surface to a second area not overlapping the opposed surface in plan view.
    Type: Application
    Filed: December 1, 2021
    Publication date: August 18, 2022
    Applicant: LENOVO (SINGAPORE) PTE. LTD.
    Inventors: Hirohide Komiyama, Seiji Yamasaki
  • Publication number: 20220068761
    Abstract: An electronic device includes: a circuit board having a mounting face, on which an electronic component is mounted; a heat receiver including a heat receiving plate opposed to the electronic component; and a fastening mechanism that fixes the heat receiver to the circuit board. The fastening mechanism includes a receiver having a proximal end and a distal end, the receiver having a mounting hole penetrating from the proximal end to the distal end; and a fastener that is inserted into the mounting hole for fastening to the receiver to press the heat receiver. The receiver is surface-mounted on the mounting face by soldering with the proximal end facing the mounting face.
    Type: Application
    Filed: July 19, 2021
    Publication date: March 3, 2022
    Applicant: LENOVO (SINGAPORE) PTE. LTD.
    Inventors: Seiji Yamasaki, Masaaki Bandoh, Shigeru Yuzawa, Hua Wang
  • Patent number: 11106243
    Abstract: An apparatus is disclosed. The apparatus includes a first display unit; a touch screen including a second display unit and a detection unit; and a start-up control unit that displays index information on the touch screen, and displays a screen configuration on the first display unit. Another apparatus is disclosed. The apparatus includes a first chassis; a second chassis coupled to the first chassis; a first display unit; and a touch screen including a second display unit, and a detection unit that detects a touch operation made on the second display unit. A control method for an apparatus that includes a first display unit and a touch screen including a second display unit and a detection unit is disclosed. The control method includes displaying index information on the second display unit; and displaying, a screen configuration corresponding to an operation area in which a touch operation is performed.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: August 31, 2021
    Assignee: Lenovo (Singapore) PTE. LTD.
    Inventors: Seiji Yamasaki, Yasumichi Tsukamoto, Tatsumi Nagasawa, Yuichi Shigematsu
  • Patent number: 11058008
    Abstract: A manufacturing method, Printed Circuit Board (PCB) panel, and a PCB are disclosed. The method includes forming a cavity in a PCB that is in a PCB panel that includes a frame and stays, mounting an electronic component, heating the PCB panel, and cutting the stays. The PCB panel includes a frame body and a PCB coupled to the frame body via stays. The PCB includes a cavity. A first cavity stay is located near the cavity. Extended lines extend from the cavity, and the cavity stay extends at least between the extended lines. The PCB includes a cavity and a connection point from a cavity stay near the cavity.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: July 6, 2021
    Assignee: Lenovo (Singapore) PTE. LTD.
    Inventors: Hirohide Komiyama, Seiji Yamasaki, Hua Wang, Yanping Zhou
  • Patent number: 11017492
    Abstract: An apparatus for video signal switching for use with an external graphics processing unit device includes an input unit of an information processing device configured to input a first video signal from an external device comprising a graphics processing unit (“GPU”) and an input/output interface, a processing unit of the information processing device configured to output a second video signal, and a switching unit configured to determine a route for a video display signal that is output to a display unit, the route selected from an external route along which the first video signal is output to the display unit without going through the processing unit and an internal route along which the second video signal is output to the display unit. A computer program product and a system perform the functions of the apparatus.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: May 25, 2021
    Assignee: Lenovo (Singapore) PTE. LTD.
    Inventors: Munefumi Nakata, Yasumichi Tsukamoto, Seiji Yamasaki, Yasushi Tsukamoto
  • Patent number: 10672400
    Abstract: An electronic device is attachable to and detachable from an information processing device having a mode control portion performing control for switching an operation state in which background processing is executed in a standby mode in which the display of a display portion is stopped and a low power consumption state in which the information processing device can be quickly returned to the operation state and has a light emission portion disposed so as to be visibly recognized in a state in which the display of the display portion is stopped and a lighting control portion lighting the light emission portion in the standby mode when a predetermined event to be notified to a user occurs in the background processing.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: June 2, 2020
    Assignee: LENOVO (SINGAPORE) PTE. LTD.
    Inventors: Yasumichi Tsukamoto, Seiji Yamasaki, Munefumi Nakata
  • Patent number: 10667442
    Abstract: An electronic device having a shield structure is disclosed. The shield structure includes a conductive heat diffusion plate that is provided in a position facing a mounting surface of an electronic circuit board on which electronic components, such as a CPU, are mounted, and diffuses heat generated from the CPU, etc.; and a conductive sponge-like member that is firmly fixed to at least either the mounting surface of the electronic circuit board or a surface of the conductive heat diffusion plate which faces the mounting surface of the electronic circuit board, and is provided to separate the CPU, etc. which generate electromagnetic wave noise from antennas.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: May 26, 2020
    Assignee: LENOVO SINGAPORE PTE LTD
    Inventors: Munefumi Nakata, Seiji Yamasaki
  • Publication number: 20200117242
    Abstract: An apparatus is disclosed. The apparatus includes a first display unit; a touch screen including a second display unit and a detection unit; and a start-up control unit that displays index information on the touch screen, and displays a screen configuration on the first display unit. Another apparatus is disclosed. The apparatus includes a first chassis; a second chassis coupled to the first chassis; a first display unit; and a touch screen including a second display unit, and a detection unit that detects a touch operation made on the second display unit. A control method for an apparatus that includes a first display unit and a touch screen including a second display unit and a detection unit is disclosed. The control method includes displaying index information on the second display unit; and displaying, a screen configuration corresponding to an operation area in which a touch operation is performed.
    Type: Application
    Filed: October 14, 2019
    Publication date: April 16, 2020
    Inventors: Seiji Yamasaki, Yasumichi Tsukamoto, Tatsumi Nagasawa, Yuichi Shigematsu
  • Publication number: 20200113062
    Abstract: A manufacturing method, Printed Circuit Board (PCB) panel, and a PCB are disclosed. The method includes forming a cavity in a PCB that is in a PCB panel that includes a frame and stays, mounting an electronic component, heating the PCB panel, and cutting the stays. The PCB panel includes a frame body and a PCB coupled to the frame body via stays. The PCB includes a cavity. A first cavity stay is located near the cavity. Extended lines extend from the cavity, and the cavity stay extends at least between the extended lines. The PCB includes a cavity and a connection point from a cavity stay near the cavity.
    Type: Application
    Filed: September 18, 2019
    Publication date: April 9, 2020
    Inventors: Hirohide Komiyama, Seiji Yamasaki, Hua Wang, Yanping Zhou
  • Publication number: 20190392548
    Abstract: An apparatus for video signal switching for use with an external graphics processing unit device includes an input unit of an information processing device configured to input a first video signal from an external device comprising a graphics processing unit (“GPU”) and an input/output interface, a processing unit of the information processing device configured to output a second video signal, and a switching unit configured to determine a route for a video display signal that is output to a display unit, the route selected from an external route along which the first video signal is output to the display unit without going through the processing unit and an internal route along which the second video signal is output to the display unit. A computer program product and a system perform the functions of the apparatus.
    Type: Application
    Filed: June 14, 2019
    Publication date: December 26, 2019
    Inventors: Munefumi Nakata, Yasumichi Tsukamoto, Seiji Yamasaki, Yasushi Tsukamoto
  • Publication number: 20190380231
    Abstract: An electronic device having a shield structure is disclosed. The shield structure includes a conductive heat diffusion plate that is provided in a position facing a mounting surface of an electronic circuit board on which electronic components, such as a CPU, are mounted, and diffuses heat generated from the CPU, etc.; and a conductive sponge-like member that is firmly fixed to at least either the mounting surface of the electronic circuit board or a surface of the conductive heat diffusion plate which faces the mounting surface of the electronic circuit board, and is provided to separate the CPU, etc. which generate electromagnetic wave noise from antennas.
    Type: Application
    Filed: April 4, 2019
    Publication date: December 12, 2019
    Inventors: Munefumi Nakata, Seiji Yamasaki
  • Publication number: 20190348046
    Abstract: An electronic device is attachable to and detachable from an information processing device having a mode control portion performing control for switching an operation state in which background processing is executed in a standby mode in which the display of a display portion is stopped and a low power consumption state in which the information processing device can be quickly returned to the operation state and has a light emission portion disposed so as to be visibly recognized in a state in which the display of the display portion is stopped and a lighting control portion lighting the light emission portion in the standby mode when a predetermined event to be notified to a user occurs in the background processing.
    Type: Application
    Filed: July 24, 2018
    Publication date: November 14, 2019
    Applicant: LENOVO (SINGAPORE) PTE. LTD.
    Inventors: Yasumichi Tsukamoto, Seiji Yamasaki, Munefumi Nakata
  • Patent number: 10181662
    Abstract: A cable connection method is provided. In a cable connection structure, a connection agent in which fine solder particle are densely scattered in a thermosetting resin-based adhesive is interposed between a connection portion of a flexible printed cable (FPC) cable in which a shield layer is formed on one surface side of a signal layer and a connection portion on a substrate side. Then, the connection portion of the FPC cable and the connection portion on the substrate side are solder connected by heating. A shield layer corresponding to the connection portion of the FPC cable and/or a region portion up to a position separated from the base end side of the connection portion of the FPC cable by a predetermined length is configured with a conductive mesh structure body. The other region of the shield layer contains a conductive flat plate structure.
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: January 15, 2019
    Assignee: LENOVO (SINGAPORE) PTE LTD
    Inventors: Hirohide Komiyama, Yoshio Nakamura, Seiji Yamasaki, Osamu Yamamoto, Takaaki Okada
  • Publication number: 20180342821
    Abstract: A cable connection method is provided. In a cable connection structure, a connection agent in which fine solder particle are densely scattered in a thermosetting resin-based adhesive is interposed between a connection portion of a flexible printed cable (FPC) cable in which a shield layer is formed on one surface side of a signal layer and a connection portion on a substrate side. Then, the connection portion of the FPC cable and the connection portion on the substrate side are solder connected by heating. A shield layer corresponding to the connection portion of the FPC cable and/or a region portion up to a position separated from the base end side of the connection portion of the FPC cable by a predetermined length is configured with a conductive mesh structure body. The other region of the shield layer contains a conductive flat plate structure.
    Type: Application
    Filed: May 29, 2018
    Publication date: November 29, 2018
    Inventors: Hirohide Komiyama, Yoshio Nakamura, Seiji Yamasaki, Osamu Yamamoto, Takaaki Okada
  • Publication number: 20150193010
    Abstract: A keyboard module for use with touchscreen displays may provide more than one function associated with one or more keys. Activation of touchscreen keys may be triggered by providing detection of more than one contact type for a key. A key may include a first contact path with a first touchscreen key and a second contact path with a second touchscreen display key. Activation of the touchscreen keys may be triggered depending on the type of contact made with the key.
    Type: Application
    Filed: January 3, 2014
    Publication date: July 9, 2015
    Applicant: Lenovo (Singapore) Pte. Ltd.
    Inventors: Yasumichi Tsukamoto, Osamu Yamamoto, Yoshio Nakamura, Masayuki Amano, Seiji Yamasaki
  • Publication number: 20130345444
    Abstract: Provided is a production method of an optically active dihydrobenzofuran derivative. A production method of an optically active form of a compound represented by the formula: wherein each symbol is as defined in the specification, or a salt thereof and the like.
    Type: Application
    Filed: February 16, 2012
    Publication date: December 26, 2013
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Mitsuhisa Yamano, Mitsutaka Goto, Takeshi Kajiwara, Hiroyuki Maeda, Takahiro Konishi, Misayo Sera, Yuichiro Kondo, Seiji Yamasaki
  • Patent number: 7862847
    Abstract: Packaged beverages contain the following ingredients: (A) from 0.07 to 0.45 wt. % of non-polymer catechins, (B) from 0.06 to 0.5 wt. % of ascorbic acid or a metal salt thereof, and (C) non-polymer catechingallates. A content weight ratio (C/A) of the non-polymer catechingallates (C) to the non-polymer catechins (A) is from 0.8 to 1.0, and the packaged beverages have a pH of from 4.5 to 7. Another type of packaged beverages contain the following ingredients: (A) from 0.05 to 0.45 wt. % of non-polymer catechins, and (D) from 0.07 to 0.49 wt. % of ?-cyclodextrin. The non-polymer catechins (A) contain (C) non-polymer catechingallates at a weight ratio (C/A) of from 0.7 to 1.0 relative to the non-polymer catechins (A).
    Type: Grant
    Filed: April 11, 2007
    Date of Patent: January 4, 2011
    Assignee: Kao Corporation
    Inventors: Yoshikazu Ogura, Seiji Yamasaki, Koichi Naitoh
  • Patent number: D665486
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: August 14, 2012
    Assignee: Kobayashi Pharmaceutical Co., Ltd.
    Inventors: Midori Masuda, Nobukiyo Tamura, Daiya Oohara, Seiji Yamasaki, Takahiro Washio, Shuichi Hibi
  • Patent number: D726895
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: April 14, 2015
    Assignee: Kobayashi Pharmaceutical Co., Ltd.
    Inventors: Michiyuki Takatsuka, Takahisa Uchida, Syuhei Harada, Seiji Yamasaki, Shuichi Hibi