Patents by Inventor Fumitake Mizoguchi

Fumitake Mizoguchi 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: 11579654
    Abstract: A portable information device capable of supporting a display is described. The portable information device includes a first chassis member and a second chassis member connected mutually rotatable, a first support plate that supports a display on the side of the first chassis member, a second support plate that supports the display on the side of the second chassis member, a first locking member including a first fixing portion to be fixed to the rear face of the first support plate with adhesive, and a first locking piece projecting from one end face of the first support plate, the first locking piece being configured to come in contact with and separate from the rear face of the second support plate. The first support plate includes a first contact face with which the first locking member comes in contact and a first adhesive face that fixes the first locking member with the adhesive. The first adhesive face is recessed from the first contact face by a thickness of the adhesive.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: February 14, 2023
    Assignee: LENOVO (SINGAPORE) PTE LTD
    Inventors: Fumitake Mizoguchi, Takehito Yamauchi, Tatsuya Ushioda, Hiroaki Kinoshita
  • Patent number: 11388828
    Abstract: A chassis member is used for an electronic device, including a face plate, and a frame to be fixed to one face of the face plate and provided along at least one side of a peripheral edge of the one face. The frame is formed by laminating a plurality of layers of a prepreg containing reinforced fiber impregnated with resin. The frame has a frame body to be fixed to the one face, and a shaft supporting portion formed integrally with the frame body and formed with an insertion hole for press-fitting a shaft-like member.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: July 12, 2022
    Assignee: LENOVO (SINGAPORE) PTE. LTD.
    Inventors: Fumitake Mizoguchi, Seita Horikoshi, Kazuya Umejima, Takayuki Morino
  • Patent number: 11358377
    Abstract: A chassis member capable of improving manufacturing efficiency is disclosed. The chassis member includes a laminate in which an interlayer is provided between a pair of fiber-reinforced resin plates made of reinforced fiber impregnated with thermoplastic resin. A frame body formed of thermoplastic resin is joined to an edge of the laminate. The edge of the laminate is provided with a thin plate portion thinner than the other portion. The frame body is joined to the thin plate portion.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: June 14, 2022
    Assignee: LENOVO (SINGAPORE) PTE LTD
    Inventors: Fumitake Mizoguchi, Seita Horikoshi, Tsunenori Yanagisawa, Takehito Yamauchi
  • Patent number: 11262806
    Abstract: An electronic apparatus includes a chassis; a display panel that is supported by an inner face of a cover member that defines a rear face of the chassis, the display panel having a display surface exposed to a front face of the chassis; and a support member that supports the display panel at the inner face of the cover member. The support member includes: a cover fixed portion having a cover fixed face that is fixed to the inner face of the cover member; and a panel fixed portion having a panel fixed face that is fixed to a back face of the display panel, the panel fixed portion being elastically displaceable toward the inner face of the cover member.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: March 1, 2022
    Inventors: Fumitake Mizoguchi, Takehito Yamauchi, Shigehiro Horiuchi, Sara Akiyama
  • Patent number: 11231753
    Abstract: An electronic apparatus is disclosed. The electronic apparatus includes a hinge device rotatably coupling a main body chassis and a display chassis; and an antenna device for transmitting and receiving a radio wave. The hinge device includes a metal hinge shaft, a metal bearing part, a metal chassis mount member, and a hinge chassis that is made of a radio wave transmissive material. The antenna device includes a holder component housed in the hinge chassis, an antenna element supported by the holder component and a ground element supported by the holder component and electrically connected to the bearing part.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: January 25, 2022
    Assignee: LENOVO (SINGAPORE) PTE LTD
    Inventors: Tabito Miyamoto, Shinichi Kubota, Fumitake Mizoguchi, Hiroaki Kinoshita
  • Publication number: 20210315119
    Abstract: A chassis member is used for an electronic device, including a face plate, and a frame to be fixed to one face of the face plate and provided along at least one side of a peripheral edge of the one face. The frame is formed by laminating a plurality of layers of a prepreg containing reinforced fiber impregnated with resin. The frame has a frame body to be fixed to the one face, and a shaft supporting portion formed integrally with the frame body and formed with an insertion hole for press-fitting a shaft-like member.
    Type: Application
    Filed: February 24, 2021
    Publication date: October 7, 2021
    Applicant: LENOVO (SINGAPORE) PTE. LTD.
    Inventors: Fumitake Mizoguchi, Seita Horikoshi, Kazuya Umejima, Takayuki Morino
  • Patent number: 11089696
    Abstract: The portable information device includes: a first chassis member; a second chassis member relatively turnably (i.e., foldably) connected to the first chassis member; a first support plate fastened to the first chassis member; a second support plate that is fastened to the second chassis member and provided adjacent to the first support plate; a display whose back surface is supported by respective front surfaces of the first and second support plates; and an adhesive member that adheres to the front surfaces of the first and second support plates and the back surface of the display and fastens them together. Furthermore, an area that overlaps with at least a folding area includes a weak adhesive section in which an adhesive force of the adhesive member between the first and second support plates and the display is reduced to be lower than the other section.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: August 10, 2021
    Assignee: LENOVO (SINGAPORE) PTE. LTD.
    Inventors: Shigehiro Horiuchi, Takehito Yamauchi, Kenji Watamura, Fumitake Mizoguchi
  • Patent number: 11079793
    Abstract: An adhesive member is disclosed. The adhesive member includes a first release element, a second release element and a body. The body includes a first adhesive surface and a second adhesive surface. The body also includes a first end face and a second end face. The first end face forms an acute angle with the first release element located on the body. The second end face faces the first end face and forms an obtuse angle with the second release element of the body.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: August 3, 2021
    Assignee: Lenovo (Singapore) PTE LTD
    Inventors: Fumitake Mizoguchi, Takehito Yamauchi, Yoshihisa Ishihara, Keita Ishikawa
  • Publication number: 20210124397
    Abstract: A portable information device capable of supporting a display is described. The portable information device includes a first chassis member and a second chassis member connected mutually rotatable, a first support plate that supports a display on the side of the first chassis member, a second support plate that supports the display on the side of the second chassis member, a first locking member including a first fixing portion to be fixed to the rear face of the first support plate with adhesive, and a first locking piece projecting from one end face of the first support plate, the first locking piece being configured to come in contact with and separate from the rear face of the second support plate. The first support plate includes a first contact face with which the first locking member comes in contact and a first adhesive face that fixes the first locking member with the adhesive. The first adhesive face is recessed from the first contact face by a thickness of the adhesive.
    Type: Application
    Filed: October 29, 2020
    Publication date: April 29, 2021
    Inventors: Fumitake Mizoguchi, Takehito Yamauchi, Tatsuya Ushioda, Hiroaki Kinoshita
  • Publication number: 20210068272
    Abstract: The portable information device includes: a first chassis member; a second chassis member relatively turnably (i.e., foldably) connected to the first chassis member; a first support plate fastened to the first chassis member; a second support plate that is fastened to the second chassis member and provided adjacent to the first support plate; a display whose back surface is supported by respective front surfaces of the first and second support plates; and an adhesive member that adheres to the front surfaces of the first and second support plates and the back surface of the display and fastens them together. Furthermore, an area that overlaps with at least a folding area includes a weak adhesive section in which an adhesive force of the adhesive member between the first and second support plates and the display is reduced to be lower than the other section.
    Type: Application
    Filed: January 22, 2020
    Publication date: March 4, 2021
    Inventors: Shigehiro Horiuchi, Takehito Yamauchi, Kenji Watamura, Fumitake Mizoguchi
  • Patent number: 10908639
    Abstract: A portable information device includes a first chassis member, a second chassis member, a hinge mechanism, a display and a bezel member provided to bridge an outer peripheral edge portion of the display and an outer peripheral edge portion of the first and second chassis members. The bezel member is arranged farther away from the inner surfaces of the first and second chassis members than a rotation center of the hinge mechanism. The bezel member has a buffer portion at least at a position overlapping a bent portion of the display. The buffer portion can absorb compressive force F applied thereto as the first and the second chassis members are folded from a flat opened state.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: February 2, 2021
    Assignee: LENOVO (SINGAPORE) PTE. LTD.
    Inventors: Yoshiyuki Shibayama, Fumitake Mizoguchi, Kazuya Tatsuno, Takehito Yamauchi
  • Publication number: 20210011522
    Abstract: A portable information device includes a hinge device rotatably connecting one edge portions of a first chassis and a second chassis, a display, and a cover member covering a side of the hinge device. The hinge device connects the first chassis and the second chassis so as to be foldable from a usage form in which a top surface of the first chassis and a top surface of the second chassis are on substantially the same plane to a storage form in which the top surfaces of the first chassis and the second chassis face each other. The cover member is contained inside the first chassis and the second chassis in the usage form and covers a side of a gap formed by separation of the one edge portions of the first chassis and the second chassis in the storage form.
    Type: Application
    Filed: October 16, 2019
    Publication date: January 14, 2021
    Applicant: LENOVO (SINGAPORE) PTE. LTD.
    Inventors: Kenji Watamura, Chi-Hui Chen, Fumitake Mizoguchi
  • Patent number: 10890951
    Abstract: A portable information device includes a hinge device rotatably connecting one edge portions of a first chassis and a second chassis, a display, and a cover member covering a side of the hinge device. The hinge device connects the first chassis and the second chassis so as to be foldable from a usage form in which a top surface of the first chassis and a top surface of the second chassis are on substantially the same plane to a storage form in which the top surfaces of the first chassis and the second chassis face each other. The cover member is contained inside the first chassis and the second chassis in the usage form and covers a side of a gap formed by separation of the one edge portions of the first chassis and the second chassis in the storage form.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: January 12, 2021
    Assignee: LENOVO (SINGAPORE) PTE. LTD.
    Inventors: Kenji Watamura, Chi-Hui Chen, Fumitake Mizoguchi
  • Patent number: 10863635
    Abstract: A portable information device that can stably support a display is disclosed. The portable information device includes a first chassis member; a second chassis member; a hinge mechanism; a display whose back surface is supported by front surfaces of a first support plate and a second support plate; an alignment part that aligns the front surfaces between one edge of the first support plate and one edge of the second support plate adjacent to each other, in a flat form; a first support part that supports the first support plate relative to the first chassis member; and a second support part that supports the second support plate relative to the second chassis member. At least one of the first support part and the second support part includes a floating part that supports a corresponding support plate relative to a corresponding chassis member in a floating state.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: December 8, 2020
    Assignee: LENOVO (SINGAPORE) PTE LTD
    Inventors: Kenji Watamura, Fumitake Mizoguchi, Takehito Yamauchi, Kazuya Tatsuno
  • Patent number: 10860064
    Abstract: An electronic device having a pointing stick is disclosed. The electronic device includes a base member for supporting a pointing stick. The base member has a first pressed part provided on one side of the pointing stick with respect to a sliding direction of a slide member and a second pressed part provided on the other side of the pointing stick. The slide member has a first pressing part capable of pressing the first pressed part of the base member and a second pressing part capable of pressing the second pressed part.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: December 8, 2020
    Assignee: LENOVO (SINGAPORE) PTE LTD
    Inventors: Kazuyuki Kubota, Fumitake Mizoguchi, Yoshiyuki Shibayama, Tabito Miyamoto
  • Publication number: 20200371562
    Abstract: An electronic apparatus is disclosed. The electronic apparatus includes a hinge device rotatably coupling a main body chassis and a display chassis; and an antenna device for transmitting and receiving a radio wave. The hinge device includes a metal hinge shaft, a metal bearing part, a metal chassis mount member, and a hinge chassis that is made of a radio wave transmissive material. The antenna device includes a holder component housed in the hinge chassis, an antenna element supported by the holder component and a ground element supported by the holder component and electrically connected to the bearing part.
    Type: Application
    Filed: May 19, 2020
    Publication date: November 26, 2020
    Inventors: Tabito Miyamoto, Shinichi Kubota, Fumitake Mizoguchi, Hiroaki Kinoshita
  • Publication number: 20200275563
    Abstract: A portable information device that can stably support a display is disclosed. The portable information device includes a first chassis member; a second chassis member; a hinge mechanism; a display whose back surface is supported by front surfaces of a first support plate and a second support plate; an alignment part that aligns the front surfaces between one edge of the first support plate and one edge of the second support plate adjacent to each other, in a flat form; a first support part that supports the first support plate relative to the first chassis member; and a second support part that supports the second support plate relative to the second chassis member. At least one of the first support part and the second support part includes a floating part that supports a corresponding support plate relative to a corresponding chassis member in a floating state.
    Type: Application
    Filed: January 23, 2020
    Publication date: August 27, 2020
    Inventors: Kenji Watamura, Fumitake Mizoguchi, Takehito Yamauchi, Kazuya Tatsuno
  • Publication number: 20200262179
    Abstract: The present invention provides a resin laminate that suppresses the infiltration of a component contained in a lower resin layer into a surface resin layer in the resin laminate composed of a thermoplastic resin. The resin laminate includes a first thermoplastic resin layer positioned as the surface layer, and a second thermoplastic resin layer positioned beneath the first thermoplastic resin layer, wherein the glass transition temperature of the first thermoplastic resin layer is higher than the glass transition temperature of the second thermoplastic resin layer.
    Type: Application
    Filed: July 16, 2019
    Publication date: August 20, 2020
    Applicant: LENOVO (SINGAPORE) PTE. LTD.
    Inventors: Fumitake Mizoguchi, Seita Horikoshi, Tsunenori Yanagisawa, Takehito Yamauchi
  • Publication number: 20200264664
    Abstract: A panel device includes a panel; a display chassis surrounded by a bottom surface portion and a side wall portion, and having a space with a shape substantially identical to the shape of the panel, the display chassis being for accommodating the panel in the space; an adhesive member for adhering at least a part of the rear surface of the panel and the bottom surface portion of the display chassis, wherein the display chassis has a sloping face defined on an opposed portion of the side wall portion, the opposed portion being opposed to at least the side end portion of the panel.
    Type: Application
    Filed: July 9, 2019
    Publication date: August 20, 2020
    Applicant: LENOVO (SINGAPORE) PTE. LTD.
    Inventors: Fumitake Mizoguchi, Takehito Yamauchi, Shigehiro Horiuchi, Sara Akiyama
  • Publication number: 20200249723
    Abstract: A portable information device is disclosed. The portable information device includes a pair of chassis members, a hinge mechanism that rotatably connects respective one edge portions of the pair of chassis members, a foldable display provided straddling the inner surfaces of the pair of chassis members, and a bezel member provided straddling the outer circumferential edge portion of the display and the outer circumferential edge portion of the chassis members such that the bezel member is disposed farther from the rotation center of the hinge mechanism relative to the inner surfaces of the chassis members. The bezel member includes a core member secured on the outer circumferential edge portion of the display and the outer circumferential edge portion of the chassis members, and a surface member made of elastic member and provided on the front surface of the core member.
    Type: Application
    Filed: January 20, 2020
    Publication date: August 6, 2020
    Inventors: Fumitake Mizoguchi, Takehito Yamauchi, Ryo Oshige, Eiji Shinohara, Kazuya Tatsuno