Patents by Inventor Yusuke Inaba

Yusuke Inaba 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: 20220365310
    Abstract: An optical device includes: a base including a mounting surface; and an optical component including an optical element part, a support part including a first adhered surface bonded to the mounting surface via a photocurable first adhesive, the support part being configured to support the optical element part, and an optical opening part provided adjacent to the first adhered surface, the optical opening part allowing light for curing the first adhesive to pass through.
    Type: Application
    Filed: August 1, 2022
    Publication date: November 17, 2022
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yusuke INABA, Takuya KOKAWA, Kazuki YAMAOKA, Ryo OTSUBO
  • Publication number: 20220324228
    Abstract: A printing device includes a frame, and an electronic circuit-board unit attached to the frame. The electronic circuit-board unit includes: a holder including a holding portion; a first substrate held to a first surface of the holder; a second substrate held to a second surface of the holder and attached to the frame; an electronic component; and a harness electrically connected to the electronic component. The holder has: a first region overlapped with the first substrate in a plan view; and a second region offset from the first region in the plan view. At least one of the electronic component and the harness is held by the holding portion.
    Type: Application
    Filed: April 5, 2022
    Publication date: October 13, 2022
    Inventors: Yusuke IKEMOTO, Yushi KATO, Sho ASAI, Shotaro WATANABE, Takehiko INABA
  • Publication number: 20220203724
    Abstract: A printing apparatus includes: a main body having an accommodation part accommodating a printing medium; and an opening/closing cover supported by the main body so as to be swingable between a closed position and an opened position, a first unit and a second unit being selectively installable to the opening/closing cover, the first unit being configured to rotatably support a first platen roller, the second unit being configured to rotatably support a second platen roller, the opening/closing cover including a cover guide, the opening/closing cover having a discharge port discharging the guided printing medium. The first unit has a partition wall superposed to cover the cover guide and partitioning a space into the first platen roller-side and the discharge port-side in a case the first unit is installed to the opening/closing cover.
    Type: Application
    Filed: December 27, 2021
    Publication date: June 30, 2022
    Inventors: Yushi Kato, Sho Asai, Shotaro Watanabe, Yusuke Ikemoto, Takehiko Inaba
  • Publication number: 20220203706
    Abstract: A printing apparatus includes: a first frame; a second frame fixed to the first frame, the second frame having an accommodation space configured to accommodates a roll, the roll having a printing medium rolled thereon; a pair of support parts supported on the second frame, the pair of support parts being configured to support end faces of the roll in a first direction, at least one of the pair of support parts being supported on the second frame so as to be movable in the first direction; a guide member provided on the first frame; and contact portions provided to the support parts, the contact portions being configured to slide while being in contact with the guide member.
    Type: Application
    Filed: December 20, 2021
    Publication date: June 30, 2022
    Inventors: Sho Asai, Yushi Kato, Shotaro Watanabe, Yusuke Ikemoto, Takehiko Inaba
  • Publication number: 20220203731
    Abstract: A printing apparatus includes: a housing having a discharge port through which a printing medium being allowed to be discharged; an installation part to which a unit being removably installable to the installation part, the unit being configured to surround at least a part of the discharge port in a case the unit is installed, the unit being configured to perform specific processing on the printing medium; and a lid member removably installed to the installation part, the lid member being installable to the installation part in a case the unit is not installed to the installation part.
    Type: Application
    Filed: December 20, 2021
    Publication date: June 30, 2022
    Inventors: Yusuke Ikemoto, Yushi Kato, Sho Asai, Shotaro Watanabe, Takehiko Inaba
  • Publication number: 20220203723
    Abstract: A printing apparatus includes: a print head; a main body having an accommodation part accommodating a printing medium; an opening/closing cover supported by the main body to be swingable between a closed position and an opened position, the opening/closing cover covering the accommodation part in a case the opening/closing cover is in the opened position, the opening/closing cover opening the accommodation part in a case the opening/closing cover is in the opened position; a support member provided to the opening/closing cover; and a platen holder provided to the support member and configured to rotatably support a platen roller, the platen roller being configured to convey the printing medium at a position facing the print head in the case the opening/closing cover is in the closed position.
    Type: Application
    Filed: December 27, 2021
    Publication date: June 30, 2022
    Inventors: Shotaro Watanabe, Yushi Kato, Sho Asai, Yusuke Ikemoto, Takehiko Inaba
  • Patent number: 11367993
    Abstract: A lid portion, that is mounted on a package that houses an optical isolator at a certain position, includes: a main body portion that is in contact with an upper end portion of a sidewall of the package; and a thick portion that is provided on a lower surface of the main body portion and determines a position of the lid portion with respect to the package. Further, the thick portion is provided on the lower surface other than a lower surface region of the main body portion, the lower surface region being directly above the optical isolator housed in the package when the lid portion is mounted on the package.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: June 21, 2022
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yusuke Inaba, Maiko Ariga, Kazuki Yamaoka
  • Publication number: 20220153564
    Abstract: Provided is a cargo-handling vehicle allowing a reduction in production cost. A forklift, which is a cargo-handling vehicle, includes a driver's seat in which an operator sits, a front guard 51 provided in front of the driver's seat, a control system 20 provided between the driver's seat and the front guard 51, and a front cover 40 attached to the front guard 51. The front cover 40 includes a center cover 41 concealing a base portion of the control system 20, and a side cover 42 not concealing the base portion of the control system 20, and the side cover 42 is provided to the right or left, or both, of the center cover 41 and has a top positioned lower than a top of the center cover 41.
    Type: Application
    Filed: November 20, 2019
    Publication date: May 19, 2022
    Inventors: Kazushige AKITA, Yusuke INABA
  • Patent number: 11283234
    Abstract: An optical module includes: an optical component; a light receiving element receiving a laser beam through the optical component; a package housing the optical component and the light receiving unit; and a shielding portion that prevents stray light, which is generated by at least one of the laser beam and the laser beam emitted through the optical component is reflected or scattered in the package or at the optical component, from being incident on the light receiving element.
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: March 22, 2022
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Kazuki Yamaoka, Maiko Ariga, Yusuke Inaba
  • Publication number: 20220007496
    Abstract: An optical module includes a box-shaped housing with an optical element mounted therein. Further, a wiring substrate is bonded to a part of a surface of a housing part of the housing, and an electric wiring, which is formed in the wiring substrate or on a surface of the wiring substrate, and an electric wiring, which is introduced into the housing part or onto a surface of the housing part, are electrically connected to each other.
    Type: Application
    Filed: September 17, 2021
    Publication date: January 6, 2022
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Maiko ARIGA, Yusuke INABA, Kazuki YAMAOKA, Atsushi IZAWA, Kazuya NAGASHIMA
  • Publication number: 20210367398
    Abstract: An optical module includes: an optical functional element outputting a first light beam; a first optical part receiving the first light beam, having a predetermined effect on the first light beam, and outputting the affected first light beam as a second light beam; a second optical part receiving the second light beam, having a predetermined effect on the second light beam, outputting the affected second light beam as a third light beam, and reflecting a reflected light beam in a direction not coupled to the first optical part, the reflected light beam being generated from the second light on an incident surface on which the second light beam is incident; a housing accommodating the optical functional element, the first optical part, and the second optical part; and an optical attenuator provided inside the housing and attenuating power of the reflected light beam incident on the optical attenuator.
    Type: Application
    Filed: August 9, 2021
    Publication date: November 25, 2021
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Kazuki YAMAOKA, Maiko ARIGA, Yusuke INABA
  • Publication number: 20210364713
    Abstract: An optical module includes: a base having a predetermined product of a coefficient of linear expansion and a Young's modulus; a planar lightwave circuit element mounted on the base; and a warpage suppression component, which is mounted on a surface of the planar lightwave circuit element, the surface being on a side opposite to a side where the planar lightwave circuit element is mounted on the base, having a product of a coefficient of linear expansion and a Young's modulus that reduces warpage of the planar lightwave circuit element in accordance with warpage of the base depending on temperature change.
    Type: Application
    Filed: August 2, 2021
    Publication date: November 25, 2021
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Maiko ARIGA, Yusuke INABA, Kazuki YAMAOKA, Junichi HASEGAWA
  • Publication number: 20210367399
    Abstract: An optical module includes: an optical element; and a thermoelectric module on which the optical element is mounted. Further, the thermoelectric module includes a first substrate, a second substrate disposed to face the first substrate, and a plurality of thermoelectric elements provided between the first substrate and the second substrate, and a pattern made of a material different from a material of the first substrate is formed on a surface of the first substrate opposite to a back surface of the first substrate facing the second substrate, and the optical element is mounted on the surface of the first substrate in association with the pattern.
    Type: Application
    Filed: August 4, 2021
    Publication date: November 25, 2021
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yusuke INABA, Maiko ARIGA, Kazuki YAMAOKA
  • Publication number: 20210364697
    Abstract: An optical module includes: a substrate and a waveguide element having a mount face opposed to the substrate, the waveguide element having an interference waveguide portion having an optical interference function. Further, the mount face includes a projection region to which the interference waveguide portion is projected on the mount face and a non-projection region, and the waveguide element is joined to the substrate with a joint material in the non-projection region.
    Type: Application
    Filed: August 4, 2021
    Publication date: November 25, 2021
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yusuke INABA, Junichi HASEGAWA, Maiko ARIGA, Kazuki YAMAOKA
  • Publication number: 20210234331
    Abstract: An optical module includes: at least one optical element; a housing main body that houses therein the at least one optical element; and a plurality of lead pins that are provided to a side wall of the housing main body. Further, at least one of the lead pins is electrically connected to the at least one optical element, and the lead pins are lined up in a plurality of rows along a height direction of the side wall, and are arranged in such a manner that adjacent lead pins do not overlap each other in a top view.
    Type: Application
    Filed: April 13, 2021
    Publication date: July 29, 2021
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Maiko ARIGA, Yusuke INABA, Kazuki YAMAOKA
  • Publication number: 20200366056
    Abstract: A semiconductor laser module that includes a package accommodating therein a plurality of optical components, includes: a semiconductor laser device that emits laser light toward one end side in the package; an optical fiber having an incident end of the laser light on another end side in the package, the another end being in an opposite direction of an emission direction in which the semiconductor laser device emits the laser light; and a turn-back unit that turns back the laser light toward the another end side in the package, the another end being in the opposite direction of the emission direction in which the semiconductor laser device emits the laser light, and outputs the laser light to the incident end of the optical fiber.
    Type: Application
    Filed: August 5, 2020
    Publication date: November 19, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yusuke INABA, Maiko ARIGA, Kazuki YAMAOKA
  • Publication number: 20200366054
    Abstract: A lid portion, that is mounted on a package that houses an optical isolator at a certain position, includes: a main body portion that is in contact with an upper end portion of a sidewall of the package; and a thick portion that is provided on a lower surface of the main body portion and determines a position of the lid portion with respect to the package. Further, the thick portion is provided on the lower surface other than a lower surface region of the main body portion, the lower surface region being directly above the optical isolator housed in the package when the lid portion is mounted on the package.
    Type: Application
    Filed: August 5, 2020
    Publication date: November 19, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yusuke INABA, Maiko ARIGA, Kazuki YAMAOKA
  • Publication number: 20200366053
    Abstract: An optical module includes: an optical component; a light receiving element receiving a laser beam through the optical component; a package housing the optical component and the light receiving unit; and a shielding portion that prevents stray light, which is generated by at least one of the laser beam and the laser beam emitted through the optical component is reflected or scattered in the package or at the optical component, from being incident on the light receiving element.
    Type: Application
    Filed: August 6, 2020
    Publication date: November 19, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Kazuki YAMAOKA, Maiko ARIGA, Yusuke INABA
  • Patent number: 10811840
    Abstract: A laser module that can suppress influence due to a reflected light between chips is provided. A laser module 100 according to one embodiment of the present invention includes: a laser element 110 provided on a first substrate and having a laser oscillation unit that generates a laser light and a first optical waveguide that guides the laser light; and an optical amplifier 120 provided on a second substrate and having a second waveguide that guides the laser light. The first optical waveguide is nonparallel relative to an end face of the first substrate and connected thereto, the second optical waveguide is nonparallel relative to an end face of the second substrate and connected thereto, and the first substrate and the second substrate are arranged such that the laser light output from the first optical waveguide is optically coupled to the second optical waveguide.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: October 20, 2020
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Maiko Ariga, Yusuke Inaba, Kazuaki Kiyota, Toshihito Suzuki
  • Publication number: 20200203917
    Abstract: An optical module includes a first optical function device that has an emission end and emits a light from the emission end; a second optical function device that has an entry end and an emission end, amplifies the light entering the entry end, and emits the amplified light from the emission end, wherein the light is emitted from the emission end of the first optical function device and enters the entry end; a first optical non-reciprocal device that is arranged between the emission end of the first optical function device and the entry end of the second optical function device, transmits a light in a first direction from the emission end of the first optical function device toward the entry end of the second optical function device, and blocks or attenuates a light in a second direction opposite to the first direction; and a second optical non-reciprocal device that is arranged on the emission end side of the second optical function device, transmits a light in a third direction outward from the emission end
    Type: Application
    Filed: March 3, 2020
    Publication date: June 25, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Kazuki YAMAOKA, Maiko ARIGA, Kazuaki KIYOTA, Yusuke INABA