Patents by Inventor Katsuki Suematsu

Katsuki Suematsu 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: 20230023384
    Abstract: A hollow needle includes a needle body made of an electrically conductive material, forming a cylindrical shape, and including a shaft part, a tip part connected with the shaft part, and an opening for discharging or drawing in a liquid in which a cavity communicating between the shaft part and the opening is formed. Also included is an annular insulating film made of an electrically insulative material, which exposes the opening and at least part of the tip part, and coats at least part of an outer circumferential surface of the shaft part.
    Type: Application
    Filed: January 15, 2021
    Publication date: January 26, 2023
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Atsushi HIMURA, Takeshi YAGI, Kazutaka NARA, Katsuki SUEMATSU, Tsunenori ARAI
  • Patent number: 11554257
    Abstract: A power transmission unit includes a second coil which contactlessly transmits power, a power reception unit includes a first coil that receives the power transmitted from the power transmission unit, and a medical instrument includes the power reception unit and is embedded in a body. The medical instrument includes a notification unit that is composed of a plurality of light emitting units that provides notification that a relative positional relationship between the power transmission unit and the power reception unit has reached a predetermined state by emitting light using the power received at the power reception unit when the predetermined state is reached by the movement of the power transmission unit. A soft unit into which an injection needle is inserted, the plurality of light emitting units being arranged so as to extend along an outer edge of the soft unit.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: January 17, 2023
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Katsuki Suematsu, Takeshi Yagi, Atsushi Himura, Kazutaka Nara
  • Publication number: 20230011146
    Abstract: The present disclosure relates to an optical connector includes at least one optical fiber; and a lens element including at least one lens that couples light to an end face of the optical fiber. The distance FLh between the end face of the optical fiber and a vertex of the lens is expressed by the sum of the distance FL from the vertex of the lens to the focal point F positioned in a back face direction of the lens and the length ? between the end face of the optical fiber and the focal point F, and the length ? is longer than 10 ?m.
    Type: Application
    Filed: September 15, 2022
    Publication date: January 12, 2023
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Kengo WATANABE, Mitsuhiro IWAYA, Masayoshi TSUKAMOTO, Katsuki SUEMATSU
  • Publication number: 20220305247
    Abstract: A power transmission unit includes a second coil which contactlessly transmits power, a power reception unit includes a first coil that receives the power transmitted from the power transmission unit, and a medical instrument includes the power reception unit and is embedded in a body. The medical instrument includes a notification unit that is composed of a plurality of light emitting units that provides notification that a relative positional relationship between the power transmission unit and the power reception unit has reached a predetermined state by emitting light using the power received at the power reception unit when the predetermined state is reached by the movement of the power transmission unit. A soft unit into which an injection needle is inserted, the plurality of light emitting units being arranged so as to extend along an outer edge of the soft unit.
    Type: Application
    Filed: August 24, 2020
    Publication date: September 29, 2022
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Katsuki SUEMATSU, Takeshi YAGI, Atsushi HIMURA, Kazutaka NARA
  • Publication number: 20220084309
    Abstract: A support information generating device includes a processor configured to: obtain first related information including a plurality of first captured images sequentially captured in chronological order, the plurality of first captured images being associated respectively with first captured position information indicating captured positions at which the first captured images are captured; analyze the plurality of first captured images; recognize a specific facility captured in at least one first captured image of the plurality of first captured images; determine a classification of the specific facility captured in the first captured image; generate first facility classification information indicating the classification; and generate support information including the first facility classification information and first facility position information associated with each other, the first facility position information indicating a position of the specific facility based on the first captured position information a
    Type: Application
    Filed: December 1, 2021
    Publication date: March 17, 2022
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Kazutaka NARA, Katsuki SUEMATSU, Junya HIRANO, Yusuke HIRAKAWA, Takuya KIDO, Takashi WATANABE, Jun HORI
  • Patent number: 11256037
    Abstract: An optical fiber is contacted by a first guide part on the inside of a bend. The first guide part is disposed apart from a region of a fixing member from which the optical fiber is drawn out. Specifically, a first non-contact part in which the optical fiber does not contact a guide member is provided between the first guide part and the drawn out part of the optical fiber from the fixing member. The optical fiber also contacts a second guide part on the outside of the bend. The second guide part is disposed apart from the first guide part, and a second non-contact part in which the optical fiber does not contact the guide member is also provided between the first guide part and the second guide part.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: February 22, 2022
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Mitsuhiro Iwaya, Katsuki Suematsu
  • Publication number: 20220040404
    Abstract: A medical device includes: a power transmitter to transmit power without contact; a power receiver to receive the power that is transmitted from the power transmitter; a medical tool that includes any one of the power transmitter and the power receiver and that is to be embedded in a body and is used; and a notification unit to, when a relative positional relationship between the power transmitter and the power receiver reaches a given state in association with move of any one of the power transmitter and the power receiver, notify that the relative positional relationship enters the given state.
    Type: Application
    Filed: October 22, 2021
    Publication date: February 10, 2022
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Katsuki SUEMATSU, Takeshi YAGI, Atsushi HIMURA, Kazutaka NARA
  • Patent number: 11125950
    Abstract: A return loss in an optical connector connection structure according to a lens scheme is reduced. An optical connector (10) according to this disclosure, includes: a plurality of optical fibers (18) arranged in an array; and a lens array plate (14) that includes a first principal surface (40) with a plurality of lenses (44) corresponding to the respective optical fibers being formed on this surface, and a second principal surface (41) joined to end faces (180) of the optical fibers so as to be opposed to the first principal surface and optically coupled to the optical fibers to which the respective lenses correspond, wherein at least one of the end faces of the optical fibers and the second principal surface is inclined from a plane (182) perpendicular to optical axes (181) of the optical fibers.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: September 21, 2021
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Kengo Watanabe, Katsuki Suematsu, Masato Shiino
  • Publication number: 20210116650
    Abstract: An optical fiber is contacted by a first guide part on the inside of a bend. The first guide part is disposed apart from a region of a fixing member from which the optical fiber is drawn out. Specifically, a first non-contact part in which the optical fiber does not contact a guide member is provided between the first guide part and the drawn out part of the optical fiber from the fixing member. The optical fiber also contacts a second guide part on the outside of the bend. The second guide part is disposed apart from the first guide part, and a second non-contact part in which the optical fiber does not contact the guide member is also provided between the first guide part and the second guide part.
    Type: Application
    Filed: December 29, 2020
    Publication date: April 22, 2021
    Inventors: Mitsuhiro Iwaya, Katsuki Suematsu
  • Publication number: 20200103597
    Abstract: A return loss in an optical connector connection structure according to a lens scheme is reduced. An optical connector (10) according to this disclosure, includes: a plurality of optical fibers (18) arranged in an array; and a lens array plate (14) that includes a first principal surface (40) with a plurality of lenses (44) corresponding to the respective optical fibers being formed on this surface, and a second principal surface (41) joined to end faces (180) of the optical fibers so as to be opposed to the first principal surface and optically coupled to the optical fibers to which the respective lenses correspond, wherein at least one of the end faces of the optical fibers and the second principal surface is inclined from a plane (182) perpendicular to optical axes (181) of the optical fibers.
    Type: Application
    Filed: December 2, 2019
    Publication date: April 2, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Kengo WATANABE, Katsuki SUEMATSU, Masato SHIINO
  • Patent number: 10379299
    Abstract: An optical fiber array according to one embodiment includes: an optical fiber; and a support member that supports the optical fiber. The support member comprises a mixture material of a base material and a solid material made of a material different from the base material, in which the base material contains at least either of thermoplastic resin or thermosetting resin, a light transmittance for at least one wavelength within a UV light wavelength range greater than or equal to 300 nm and less than or equal to 450 nm with respect to the support member having a thickness of 3 mm is 30% or greater, and an average light transmittance for a wavelength within a visible light wavelength range greater than or equal to 380 nm and less than or equal to 780 nm with respect to the support member having a thickness of 3 mm is 70% or less.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: August 13, 2019
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Katsuki Suematsu, Mitsuhiro Iwaya
  • Publication number: 20190033537
    Abstract: An optical fiber array according to one embodiment includes: an optical fiber; and a support member that supports the optical fiber. The support member comprises a mixture material of a base material and a solid material made of a material different from the base material, in which the base material contains at least either of thermoplastic resin or thermosetting resin, a light transmittance for at least one wavelength within a UV light wavelength range greater than or equal to 300 nm and less than or equal to 450 nm with respect to the support member having a thickness of 3 mm is 30% or greater, and an average light transmittance for a wavelength within a visible light wavelength range greater than or equal to 380 nm and less than or equal to 780 nm with respect to the support member having a thickness of 3 mm is 70% or less.
    Type: Application
    Filed: September 24, 2018
    Publication date: January 31, 2019
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Katsuki SUEMATSU, Mitsuhiro IWAYA
  • Patent number: 10139574
    Abstract: A plurality of holes are formed in a ferrule. The holes are at sites penetrated by the tips of optical fibers. An opening is formed in the upper surface of the ferrule and an internal housing section is exposed from the opening. The housing section is at a site at which an optical fiber holding member is housed. The optical fibers are held by the optical fiber holding member. The optical fibers are multi-core fibers. In other words, the optical fibers have a specified axis of symmetry in a cross-section vertical to the longitudinal direction of the optical fibers and have orientation relative to a rotation direction having the longitudinal direction as the axis thereof.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: November 27, 2018
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Kengo Watanabe, Tsunetoshi Saito, Katsuki Suematsu, Mitsuhiro Iwaya, Kohei Kawasaki, Masahito Morimoto
  • Patent number: 10036856
    Abstract: A connector with built-in bent optical fibers includes an optical fiber array including a plurality of bent optical fibers each having a bent portion and a linear portion formed integrally with the bent portion, a ferrule having a plurality of positioning mechanisms that align end portions of the plurality of bent optical fibers, and a resin portion disposed at an outer periphery of the bent portion. The resin portion is filled in the ferrule. The bent portion has a bending angle of 85°-150°. When the bent portion of one bent optical fiber is divided into a plurality of regions along a longitudinal direction at 10°, a variation in bend radius among the plurality of regions excluding regions corresponding to 10° at both ends is 0.3 mm or less, an outer diameter of the bent portion of the bent optical fiber is smaller than an outer diameter of the linear portion.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: July 31, 2018
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Katsuki Suematsu, Takeshi Akutsu, Kohei Kawasaki
  • Publication number: 20170168247
    Abstract: A plurality of holes are formed in a ferrule. The holes are at sites penetrated by the tips of optical fibers. An opening is formed in the upper surface of the ferrule and an internal housing section is exposed from the opening. The housing section is at a site at which an optical fiber holding member is housed. The optical fibers are held by the optical fiber holding member. The optical fibers are multi-core fibers. In other words, the optical fibers have a specified axis of symmetry in a cross-section vertical to the longitudinal direction of the optical fibers and have orientation relative to a rotation direction having the longitudinal direction as the axis thereof.
    Type: Application
    Filed: February 27, 2017
    Publication date: June 15, 2017
    Inventors: Kengo WATANABE, Tsunetoshi SAITO, Katsuki SUEMATSU, Mitsuhiro IWAYA, Kohei KAWASAKI, Masahito MORIMOTO
  • Publication number: 20170123164
    Abstract: A connector with built-in bent optical fibers includes an optical fiber array including a plurality of bent optical fibers each having a bent portion and a linear portion formed integrally with the bent portion, a ferrule having a plurality of positioning mechanisms that align end portions of the plurality of bent optical fibers, and a resin portion disposed at an outer periphery of the bent portion. The resin portion is filled in the ferrule. The bent portion has a bending angle of 85°-150°. When the bent portion of one bent optical fiber is divided into a plurality of regions along a longitudinal direction at 10°, a variation in bend radius among the plurality of regions excluding regions corresponding to 10° at both ends is 0.3 mm or less, an outer diameter of the bent portion of the bent optical fiber is smaller than an outer diameter of the linear portion.
    Type: Application
    Filed: January 11, 2017
    Publication date: May 4, 2017
    Inventors: Katsuki Suematsu, Takeshi Akutsu, Kohei Kawasaki
  • Patent number: 9116309
    Abstract: An optical connector includes an optical fiber, and a ferrule configured to hold the optical fiber, wherein the ferrule has a front part, a rear part, a deformable mechanism to connect between the front part and the rear part, and an opening to allow the optical fiber to bend along with displacement of the deformable mechanism, and wherein the deformable mechanism has a restrictor to restrict the displacement or deformation of the deformable mechanism, the restrictor being provided at least between the deformable mechanism and the front part or between the deformable mechanism and the rear part.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: August 25, 2015
    Assignees: FUJITSU LIMITED, FURUKAWA ELECTRIC CO., LTD.
    Inventors: Tsuyoshi Aoki, Shigenori Aoki, Hidenobu Muranaka, Katsuki Suematsu, Mitsuhiro Iwaya
  • Patent number: 8920042
    Abstract: An optical connector includes a fiber holder with guide holes for guiding optical fibers, a space communicating with the guide holes and to accommodate the optical fibers, and a deformable member that forms at least a part of the fiber holder and causes the space to deform or displace to allow a part or all of the optical fibers to bend in the space.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: December 30, 2014
    Assignees: Fujitsu Limited, Furukawa Electric Co., Ltd.
    Inventors: Tsuyoshi Aoki, Shigenori Aoki, Hidenobu Muranaka, Mitsuhiro Iwaya, Tsunetoshi Saito, Katsuki Suematsu
  • Publication number: 20140363129
    Abstract: An optical connector includes an optical fiber, and a ferrule configured to hold the optical fiber, wherein the ferrule has a front part, a rear part, a deformable mechanism to connect between the front part and the rear part, and an opening to allow the optical fiber to bend along with displacement of the deformable mechanism, and wherein the deformable mechanism has a restrictor to restrict the displacement or deformation of the deformable mechanism, the restrictor being provided at least between the deformable mechanism and the front part or between the deformable mechanism and the rear part.
    Type: Application
    Filed: May 28, 2014
    Publication date: December 11, 2014
    Applicants: FUJITSU LIMITED, FURUKAWA ELECTRIC CO., LTD.
    Inventors: Tsuyoshi Aoki, Shigenori Aoki, Hidenobu Muranaka, Katsuki Suematsu, Mitsuhiro Iwaya
  • Publication number: 20140338508
    Abstract: A component for peeling the coating and breaking the optical fiber, which comprises the first member made of resin material including a groove portion enabling to receive a coated optical fiber, an optical fiber cutting blade and a coat removing blade integrally formed within the groove portion, and a breaking portion in an intermediate portion, and the second member made of resin material including a groove portion corresponding to the groove portion in the first member enabling to receive a coated optical fiber, a coat removing blade corresponding to the coat removing blade in the first member, and a breaking portion in an intermediate portion corresponding to the breaking portion in the first member.
    Type: Application
    Filed: August 1, 2014
    Publication date: November 20, 2014
    Inventors: Katsuki Suematsu, Kazuyou Mizuno, Hiroshi Tajima