Patents by Inventor Yuta ISHIGE

Yuta ISHIGE 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: 11031746
    Abstract: A semiconductor laser module includes a semiconductor laser device that outputs laser light; an optical fiber that includes a core portion and a cladding portion formed at an outer periphery of the core portion and that receives the laser light from one end and guides the laser light to the outside of the semiconductor laser module; an optical part disposed at an outer periphery of the optical fiber, having optical transmittance at a wavelength of the laser light, and that fixes the optical fiber; a first fixative that fixes the optical part and the optical fiber; and a housing that accommodates the semiconductor laser device and the one end of the optical fiber that receives the laser light, wherein an optical reflection reducing region treated to absorb the laser light and having a rough surface is formed around the optical part.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: June 8, 2021
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yuta Ishige, Maiko Ariga, Masaki Iwama
  • Patent number: 11011885
    Abstract: A laser device that is easily assembled and can be manufactured at low cost and a light-source device using the same are provided. The laser device includes a base plate portion, a semiconductor laser element placed on the base plate portion, a lid portion provided on the base plate portion, on which the semiconductor laser element is placed, and including a top plate, and a side wall portion covering a part or all of lateral sides of a space between the base plate portion and the top plate. The top plate is integrally formed with a part or all of the side wall portion.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: May 18, 2021
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yuta Ishige, Etsuji Katayama, Atsushi Oguri, Hajime Mori
  • Patent number: 10985526
    Abstract: A laser device that is easily assembled and can be manufactured at a low cost and a light-source device using the same are provided. The laser device includes a mount member including a mount surface, and a semiconductor laser element placed on the mount surface of the mount member. An upper side and lateral sides of the semiconductor laser element on the mount surface are exposed.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: April 20, 2021
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yuta Ishige, Etsuji Katayama, Atsushi Oguri, Hajime Mori
  • Patent number: 10886693
    Abstract: An optical module includes a housing and an optical element that is disposed in the housing and emits light in the housing, in which a partial area of a surface inside the housing serves as a reduced optical reflection area processed so as to absorb the light and have a rough surface.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: January 5, 2021
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Maiko Ariga, Yuta Ishige, Masaki Iwama
  • Publication number: 20200373733
    Abstract: A semiconductor laser module that can increase output of an optical fiber laser is provided. The semiconductor laser module includes: a mounted-base member having a mounted-base face; a plurality of semiconductor laser elements installed on the mounted-base face of the mounted-base member; a lens that collimates laser light emitted from the semiconductor laser element; a condensing lens that condenses the laser light; and an optical fiber to which the condensed laser light is optically coupled, and further includes: between the condensing lens that condenses the laser light and the lens that collimates laser light emitted from the semiconductor laser element, an aperture that restricts light in a slow axis direction of the laser light.
    Type: Application
    Filed: August 10, 2020
    Publication date: November 26, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yuta ISHIGE, Etsuji KATAYAMA
  • Patent number: 10777965
    Abstract: Provided is a laser apparatus and a light source apparatus that can reduce the footprint and realize space-saving. The laser apparatus has a bottom plate; a semiconductor laser element mounted on the bottom plate; and a terminal unit that is provided so as to face upward with respect to the bottom plate and enables external electrical connection.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: September 15, 2020
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yuta Ishige, Etsuji Katayama, Atsushi Oguri, Hajime Mori
  • Publication number: 20190363510
    Abstract: An optical module includes a housing and an optical element that is disposed in the housing and emits light in the housing, in which a partial area of a surface inside the housing serves as a reduced optical reflection area processed so as to absorb the light and have a rough surface.
    Type: Application
    Filed: August 12, 2019
    Publication date: November 28, 2019
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Maiko ARIGA, Yuta ISHIGE, Masaki IWAMA
  • Publication number: 20190363511
    Abstract: A semiconductor laser module includes a semiconductor laser device that outputs laser light; an optical fiber that includes a core portion and a cladding portion formed at an outer periphery of the core portion and that receives the laser light from one end and guides the laser light to the outside of the semiconductor laser module; an optical part disposed at an outer periphery of the optical fiber, having optical transmittance at a wavelength of the laser light, and that fixes the optical fiber; a first fixative that fixes the optical part and the optical fiber; and a housing that accommodates the semiconductor laser device and the one end of the optical fiber that receives the laser light, wherein an optical reflection reducing region treated to absorb the laser light and having a rough surface is formed around the optical part.
    Type: Application
    Filed: August 13, 2019
    Publication date: November 28, 2019
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yuta Ishige, Maiko Ariga, Masaki Iwama
  • Patent number: 10466426
    Abstract: A drawer structure, etc. of an optical fiber from an optical module is disclosed. An optical fiber drawer structure is configured by a roughly cylindrical passage through which an optical fiber passes being connected to a housing. The passage includes a sleeve connected to an outer periphery of the housing and a lid part connected to a tip side of the sleeve. The interior of the passage (sleeve) is provided with a fixing member to fix the optical fiber to the passage. A reduced diameter part and an expanded diameter part are formed in the lid part.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: November 5, 2019
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Etsuji Katayama, Masakazu Yoshihara, Yuta Ishige
  • Publication number: 20190288484
    Abstract: A laser device that is easily assembled and can be manufactured at a low cost and a light-source device using the same are provided. The laser device includes a mount member including a mount surface, and a semiconductor laser element placed on the mount surface of the mount member. An upper side and lateral sides of the semiconductor laser element on the mount surface are exposed.
    Type: Application
    Filed: May 24, 2019
    Publication date: September 19, 2019
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yuta Ishige, Etsuji Katayama, Atsushi Oguri, Hajime Mori
  • Publication number: 20190280459
    Abstract: A laser device that is easily assembled and can be manufactured at low cost and a light-source device using the same are provided. The laser device includes a base plate portion, a semiconductor laser element placed on the base plate portion, a lid portion provided on the base plate portion, on which the semiconductor laser element is placed, and including a top plate, and a side wall portion covering a part or all of lateral sides of a space between the base plate portion and the top plate. The top plate is integrally formed with a part or all of the side wall portion.
    Type: Application
    Filed: May 24, 2019
    Publication date: September 12, 2019
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yuta ISHIGE, Etsuji KATAYAMA, Atsushi OGURI, Hajime MORI
  • Patent number: 10361532
    Abstract: Semiconductor lasers are arranged in a plurality of columns. The columns of the respective semiconductor lasers include semiconductor laser installed columns. Reflecting mirrors in the respective semiconductor laser installed columns reflect light in substantially the same axial direction as viewed from above, and constitute beam groups. The beam groups of the respective semiconductor laser installed columns are formed on both sides in a width direction of a housing. That is, the beam groups are configured for each of the semiconductor laser installed columns, and the respective beam groups are formed on mutually different axes as viewed from above.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: July 23, 2019
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yuta Ishige, Etsuji Katayama, Toshio Kimura
  • Publication number: 20190157835
    Abstract: Provided is a laser apparatus and a light source apparatus that can reduce the footprint and realize space-saving. The laser apparatus has a bottom plate; a semiconductor laser element mounted on the bottom plate; and a terminal unit that is provided so as to face upward with respect to the bottom plate and enables external electrical connection.
    Type: Application
    Filed: January 30, 2019
    Publication date: May 23, 2019
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yuta ISHIGE, Etsuji Katayama, Atsushi Oguri, Hajime Mori
  • Patent number: 10234645
    Abstract: A variation in coupling ratio of output light from a laser element to an optical fiber is suppressed. A semiconductor laser module including a plurality of semiconductor laser elements, an optical fiber, a condenser that condenses a laser beam emitted from each of the semiconductor laser elements to the optical fiber, and a housing that implements the laser elements, the condenser, and the optical fiber includes at least one thin plate that is arranged between the laser elements and a top of the housing, and arranged on the top to form a gap with the top.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: March 19, 2019
    Assignee: TECHNOLOGY RESEARCH ASSOCIATION FOR FUTURE ADDITIVE MANUFACTURING
    Inventors: Yuta Ishige, Etsuji Katayama, Hajime Mori
  • Publication number: 20190020178
    Abstract: A laser apparatus includes light source elements outputting laser beams; a wavelength-selecting element disposed in an optical path of each of the laser beams and configured to cause light in a predetermined wavelength band to selectively transmit therethrough; and a partially transmissive-reflector that receives the light transmitted through the wavelength-selecting element, reflects a part of the input light toward the wavelength-selecting element, and causes its remainder to transmit therethrough.
    Type: Application
    Filed: August 3, 2018
    Publication date: January 17, 2019
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Atsushi OGURI, Etsuji KATAYAMA, Yuta ISHIGE, Toshio KIMURA, Yutaka OHKI, Hajime MORI
  • Publication number: 20180335582
    Abstract: Semiconductor lasers are arranged in a plurality of columns. The columns of the respective semiconductor lasers include semiconductor laser installed columns. Reflecting mirrors in the respective semiconductor laser installed columns reflect light in substantially the same axial direction as viewed from above, and constitute beam groups. The beam groups of the respective semiconductor laser installed columns are formed on both sides in a width direction of a housing. That is, the beam groups are configured for each of the semiconductor laser installed columns, and the respective beam groups are formed on mutually different axes as viewed from above.
    Type: Application
    Filed: July 13, 2018
    Publication date: November 22, 2018
    Inventors: Yuta Ishige, Etsuji Katayama, Toshio Kimura
  • Publication number: 20180284365
    Abstract: A drawer structure, etc. of an optical fiber from an optical module is disclosed. An optical fiber drawer structure is configured by a roughly cylindrical passage through which an optical fiber passes being connected to a housing. The passage includes a sleeve connected to an outer periphery of the housing and a lid part connected to a tip side of the sleeve. The interior of the passage (sleeve) is provided with a fixing member to fix the optical fiber to the passage. A reduced diameter part and an expanded diameter part are formed in the lid part.
    Type: Application
    Filed: June 6, 2018
    Publication date: October 4, 2018
    Inventors: Etsuji Katayama, Masakazu Yoshihara, Yuta Ishige
  • Patent number: 10061092
    Abstract: A semiconductor laser module includes a package; a plurality of semiconductor laser elements provided in the package; a member having a plurality of mounting surfaces on which the semiconductor laser elements are mounted, the mounting surfaces being separated from a bottom surface of the package by respective distances, the distances being gradually different from each other in a manner that the mounting surfaces as a whole form a step-like form; a plurality of lenses collimating respective laser beams emitted from the semiconductor laser elements; a plurality of reflection mirrors reflecting the respective laser beams; a condenser lens unit condensing the laser beams; an optical fiber where the optical beams condensed by the condenser lenses are optically coupled; and an optical filter disposed on optical lines of the respective laser beams reflected by the reflection mirrors and reflecting light having wavelengths different from the wavelengths of the laser beams.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: August 28, 2018
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yuta Ishige, Naoki Hayamizu, Etsuji Katayama, Toshio Kimura
  • Publication number: 20180231724
    Abstract: A variation in coupling ratio of output light from a laser element to an optical fiber is suppressed. A semiconductor laser module including a plurality of semiconductor laser elements, an optical fiber, a condenser that condenses a laser beam emitted from each of the semiconductor laser elements to the optical fiber, and a housing that implements the laser elements, the condenser, and the optical fiber includes at least one thin plate that is arranged between the laser elements and a top of the housing, and arranged on the top to form a gap with the top.
    Type: Application
    Filed: September 14, 2016
    Publication date: August 16, 2018
    Applicant: TECHNOLOGY RESEARCH ASSOCIATION FOR FUTURE ADDITIVE MANUFACTURING
    Inventors: Yuta ISHIGE, Etsuji KATAYAMA, Hajime MORI
  • Patent number: 9929531
    Abstract: An optical module includes a base portion having a top-surface metal layer on a top surface of a base, a semiconductor element on the top-surface metal layer and an optical element optically-coupled to the semiconductor element and bonded to the base with adhesive at a first side surface of the base at a side of the optical element being optically-coupled. A pull-back area is formed on the top surface by disposing a second side surface at the side, of the top-surface metal layer at a retracted position to the first side surface at the side. Between an adhesion area where the base and the optical element are bonded and a mounting portion below an optical-power-outputting surface of the semiconductor element, the top-surface metal layer has an adhesive flow stopping portion formed, by patterning, so as to prevent the adhesive from flowing through the pull-back area to the mounting portion's side.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: March 27, 2018
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yuta Ishige, Naoki Hayamizu