Patents by Inventor Toshikazu Takayanagi

Toshikazu Takayanagi 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: 10420227
    Abstract: A disclosed electronic device includes a housing having an opening, a roll mounted in the housing, a flexible display wound on the roll and being extendable and retractable through the opening based on a rotation direction of the roll, and a roll guide configured to guide the roll to move in a direction capable of constantly maintaining a proceeding direction of the flexible display toward the opening in the housing, based on a variation in a wound length of the flexible display on the roll.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: September 17, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyung-sun Lee, Yu-su Kim, Toshikazu Takayanagi
  • Patent number: 10365691
    Abstract: A foldable device includes a flexible display including first, second, and third portions; a body including first, second, and third support portions which respectively supports the first, second, and third portions; a hinge including a first rotation axis which connects the first support portion to the third support portion, and a second rotation axis which connects the second support portion to the third support portion; and a slot hole which is rotatably coupled with the first and second rotation axes, and which moves the first rotation axis and the second rotation axis when the first support portion and the second support portion rotate with respect to the third support portion. The first and second rotation axes allow the first and second support portions to rotate with respect to the third support portion when the flexible display changes from an open state to a closed state.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: July 30, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yu-dong Bae, Ho-seong Seo, Wataru Kaihotsu, Toshikazu Takayanagi, Jin-hyoung Park
  • Patent number: 10347160
    Abstract: An electronic apparatus is provided. The apparatus includes a first body and a second body configured to move with respect to each other, a rollable display, a roller rotatably supported in the first body, wherein a first end portion of the rollable display is fixed to the roller and the rollable display is wound around an outer circumference of the roller, and a tensile force application portion configured to apply an elastic force to the roller to rotate in a direction to wind the display, the tensile force application portion rotating with the roller, in which, as the first body and second body move with respect to each other, the rollable display is wound around the roller to be accommodated in the first body or is released from the roller to expanding between the first body and the second body in a length direction.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: July 9, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Toshikazu Takayanagi, Chang-bong Shin
  • Patent number: 10310551
    Abstract: A foldable device includes a first body and a second body that support a flexible display device and change between an unfolding position and a folding position at which the flexible display device is received in the first and second bodies to have a droplet shape. A first support portion and a second support portion are respectively provided on the first and second bodies, are maintained at a support position at which the first and second support portions support a third part when the first and second bodies are in a position between the unfolding position and a receiving start position, and move to a receiving position at which the first and second support portions move away from the third part to form a receiving space when the first and second bodies fold beyond the receiving start position.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: June 4, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yu-dong Bae, Ho-seong Seo, Toshikazu Takayanagi, Wataru Kaihotsu
  • Publication number: 20190079561
    Abstract: A foldable device includes: a flexible display including: a first part; a second part; and a third part provided between the first and second parts; a first body supporting the first part; and a second body supporting the second part, each of the first and second body are configured to move between a first and a second position, in response to each of the first and second bodies being provided in the first position, the first body and the second body form a receiving space, the third part forms a curved portion of the flexible display and the curved portion is provided within the receiving space, and wherein the first part is configured to move in a longitudinal direction of the flexible display with respect to the first body in response to the first and second bodies moving between the first and second positions.
    Type: Application
    Filed: November 7, 2018
    Publication date: March 14, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-hyoung PARK, Ho-seung SEO, Toshikazu TAKAYANAGI, Yu-dong BAE, Wataru KAIHOTSU, Shi-yun CHO, Dae-myung KIM, Jae-young HUH
  • Publication number: 20180376603
    Abstract: A disclosed electronic device includes a housing having an opening, a roll mounted in the housing, a flexible display wound on the roll and being extendable and retractable through the opening based on a rotation direction of the roll, and a roll guide configured to guide the roll to move in a direction capable of constantly maintaining a proceeding direction of the flexible display toward the opening in the housing, based on a variation in a wound length of the flexible display on the roll.
    Type: Application
    Filed: April 5, 2016
    Publication date: December 27, 2018
    Inventors: Hyung-sun LEE, Yu-su KIM, Toshikazu TAKAYANAGI
  • Patent number: 10162387
    Abstract: A rollable display device is provided. The rollable display device includes first and second bodies, a display, a roller supported in the first body to be rotatable, to which one end portion of the display in a length direction of the display is fixed and around an outer circumference of which the display is wound, and a support member a plurality of segmented links connected to pivot around a hinge shaft perpendicular to an image display surface, the support member being accommodated in an accommodation unit provided in the first body. As the first body is separated from the second body, the display is unwound from the roller and is unrolled outward from the first body to expand in the length direction, and the support member is unrolled outward from the first body in the length direction to support a rear surface of the display.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: December 25, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Toshikazu Takayanagi, Chang-bong Shin, Jin-ho Kim
  • Patent number: 10152089
    Abstract: A foldable device includes: a flexible display including: a first part; a second part; and a third part provided between the first and second parts; a first body supporting the first part; and a second body supporting the second part, each of the first and second body are configured to move between a first and a second position, in response to each of the first and second bodies being provided in the first position, the first body and the second body form a receiving space, the third part forms a curved portion of the flexible display and the curved portion is provided within the receiving space, and wherein the first part is configured to move in a longitudinal direction of the flexible display with respect to the first body in response to the first and second bodies moving between the first and second positions.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: December 11, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-hyoung Park, Ho-seung Seo, Toshikazu Takayanagi, Yu-dong Bae, Wataru Kaihotsu, Shi-yun Cho, Dae-myung Kim, Jae-young Huh
  • Patent number: 9883730
    Abstract: Provided is a wrist wearable terminal including: a body portion including a function module; a coupling portion fastening the body portion on a wrist; and at least one strap portion linking the body portion and the coupling portion and including at least one function module that is coupled to the function module of the body portion via a signal line to convert or activate a use of at least one function of the wrist wearable terminal depending on a state of wearing of the wrist wearable terminal.
    Type: Grant
    Filed: December 31, 2014
    Date of Patent: February 6, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyung-sun Lee, Jun-ho Koh, Ki-young Kim, Shin-hee Cho, Toshikazu Takayanagi, Doo-woong Lee, Youn-ho Choi
  • Publication number: 20180032108
    Abstract: A foldable device includes: a flexible display including: a first part; a second part; and a third part provided between the first and second parts; a first body supporting the first part; and a second body supporting the second part, each of the first and second body are configured to move between a first and a second position, in response to each of the first and second bodies being provided in the first position, the first body and the second body form a receiving space, the third part forms a curved portion of the flexible display and the curved portion is provided within the receiving space, and wherein the first part is configured to move in a longitudinal direction of the flexible display with respect to the first body in response to the first and second bodies moving between the first and second positions.
    Type: Application
    Filed: September 18, 2017
    Publication date: February 1, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-hyoung PARK, Ho-seung SEO, Toshikazu TAKAYANAGI, Yu-dong BAE, Wataru KAIHOTSU, Shi-yun CHO, Dae-myung KIM, Jae-young HUH
  • Publication number: 20170329369
    Abstract: A rollable display device is provided. The rollable display device includes first and second bodies, a display, a roller supported in the first body to be rotatable, to which one end portion of the display in a length direction of the display is fixed and around an outer circumference of which the display is wound, and a support member a plurality of segmented links connected to pivot around a hinge shaft perpendicular to an image display surface, the support member being accommodated in an accommodation unit provided in the first body. As the first body is separated from the second body, the display is unwound from the roller and is unrolled outward from the first body to expand in the length direction, and the support member is unrolled outward from the first body in the length direction to support a rear surface of the display.
    Type: Application
    Filed: August 4, 2017
    Publication date: November 16, 2017
    Inventors: Toshikazu TAKAYANAGI, Chang-bong SHIN, Jin-ho KIM
  • Patent number: 9791892
    Abstract: A foldable device includes: a flexible display including: a first part; a second part; and a third part provided between the first and second parts; a first body supporting the first part; and a second body supporting the second part, each of the first and second body are configured to move between a first and a second position, in response to each of the first and second bodies being provided in the first position, the first body and the second body form a receiving space, the third part forms a curved portion of the flexible display and the curved portion is provided within the receiving space, and wherein the first part is configured to move in a longitudinal direction of the flexible display with respect to the first body in response to the first and second bodies moving between the first and second positions.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: October 17, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-hyoung Park, Ho-seung Seo, Toshikazu Takayanagi, Yu-dong Bae, Wataru Kaihotsu, Shi-yun Cho, Dae-myung Kim, Jae-young Huh
  • Patent number: 9772657
    Abstract: A rollable display device is provided. The rollable display device includes first and second bodies, a display, a roller supported in the first body to be rotatable, to which one end portion of the display in a length direction of the display is fixed and around an outer circumference of which the display is wound, and a support member a plurality of segmented links connected to pivot around a hinge shaft perpendicular to an image display surface, the support member being accommodated in an accommodation unit provided in the first body. As the first body is separated from the second body, the display is unwound from the roller and is unrolled outward from the first body to expand in the length direction, and the support member is unrolled outward from the first body in the length direction to support a rear surface of the display.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: September 26, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Toshikazu Takayanagi, Chang-bong Shin, Jin-ho Kim
  • Publication number: 20170115701
    Abstract: A foldable device includes a flexible display including first, second, and third portions; a body including first, second, and third support portions which respectively supports the first, second, and third portions; a hinge including a first rotation axis which connects the first support portion to the third support portion, and a second rotation axis which connects the second support portion to the third support portion; and a slot hole which is rotatably coupled with the first and second rotation axes, and which moves the first rotation axis and the second rotation axis when the first support portion and the second support portion rotate with respect to the third support portion. The first and second rotation axes allow the first and second support portions to rotate with respect to the third support portion when the flexible display changes from an open state to a closed state.
    Type: Application
    Filed: January 5, 2017
    Publication date: April 27, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yu-dong BAE, Ho-seong SEO, Wataru KAIHOTSU, Toshikazu TAKAYANAGI, Jin-hyoung PARK
  • Publication number: 20160324021
    Abstract: An electronic apparatus is provided. The apparatus includes a first body and a second body configured to move with respect to each other, a rollable display, a roller rotatably supported in the first body, wherein a first end portion of the rollable display is fixed to the roller and the rollable display is wound around an outer circumference of the roller, and a tensile force application portion configured to apply an elastic force to the roller to rotate in a direction to wind the display, the tensile force application portion rotating with the roller, in which, as the first body and second body move with respect to each other, the rollable display is wound around the roller to be accommodated in the first body or is released from the roller to expanding between the first body and the second body in a length direction.
    Type: Application
    Filed: February 4, 2016
    Publication date: November 3, 2016
    Inventors: Toshikazu TAKAYANAGI, Chang-bong SHIN
  • Publication number: 20160320804
    Abstract: A rollable display device is provided. The rollable display device includes first and second bodies, a display, a roller supported in the first body to be rotatable, to which one end portion of the display in a length direction of the display is fixed and around an outer circumference of which the display is wound, and a support member a plurality of segmented links connected to pivot around a hinge shaft perpendicular to an image display surface, the support member being accommodated in an accommodation unit provided in the first body. As the first body is separated from the second body, the display is unwound from the roller and is unrolled outward from the first body to expand in the length direction, and the support member is unrolled outward from the first body in the length direction to support a rear surface of the display.
    Type: Application
    Filed: February 4, 2016
    Publication date: November 3, 2016
    Inventors: Toshikazu TAKAYANAGI, Chang-bong SHIN, Jin-ho KIM
  • Publication number: 20160302314
    Abstract: A foldable device includes a first body and a second body that support a flexible display device and change between an unfolding position and a folding position at which the flexible display device is received in the first and second bodies to have a droplet shape. A first support portion and a second support portion are respectively provided on the first and second bodies, are maintained at a support position at which the first and second support portions support a third part when the first and second bodies are in a position between the unfolding position and a receiving start position, and move to a receiving position at which the first and second support portions move away from the third part to form a receiving space when the first and second bodies fold beyond the receiving start position.
    Type: Application
    Filed: November 25, 2015
    Publication date: October 13, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yu-dong BAE, Ho-seong SEO, Toshikazu TAKAYANAGI, Wataru KAIHOTSU
  • Publication number: 20150378397
    Abstract: A foldable device includes: a flexible display including: a first part; a second part; and a third part provided between the first and second parts; a first body supporting the first part; and a second body supporting the second part, each of the first and second body are configured to move between a first and a second position, in response to each of the first and second bodies being provided in the first position, the first body and the second body form a receiving space, the third part forms a curved portion of the flexible display and the curved portion is provided within the receiving space, and wherein the first part is configured to move in a longitudinal direction of the flexible display with respect to the first body in response to the first and second bodies moving between the first and second positions.
    Type: Application
    Filed: June 26, 2015
    Publication date: December 31, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-hyoung PARK, Ho-seung SEO, Toshikazu TAKAYANAGI, Yu-dong BAE, Wataru KAIHOTSU, Shi-yun CHO, Dae-myung KIM, Jae-young HUH
  • Publication number: 20150189976
    Abstract: Provided is a wrist wearable terminal including: a body portion including a function module; a coupling portion fastening the body portion on a wrist; and at least one strap portion linking the body portion and the coupling portion and including at least one function module that is coupled to the function module of the body portion via a signal line to convert or activate a use of at least one function of the wrist wearable terminal depending on a state of wearing of the wrist wearable terminal.
    Type: Application
    Filed: December 31, 2014
    Publication date: July 9, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyung-sun LEE, Jun-ho KOH, Ki-young KIM, Shin-hee CHO, Toshikazu TAKAYANAGI, Doo-woong LEE, Youn-ho CHOI
  • Patent number: 9030590
    Abstract: A photographing apparatus includes: a lens unit; a light transmission adjustment unit that adjusts light transmittance of light that passes through the lens unit; a photographing unit that is disposed a reflected light path of the light transmission adjustment unit and that generates an image data according to received light, and a view finder that is disposed on a transmitted light path of the light transmission unit.
    Type: Grant
    Filed: July 12, 2012
    Date of Patent: May 12, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-tae Kim, Dae-myung Kim, Toshikazu Takayanagi, Jong-hoon Lim