Patents by Inventor Hiromi Nakanishi

Hiromi Nakanishi 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: 20220123520
    Abstract: An optical module includes a light-forming unit to form light. The light-forming unit includes a base member having an electronic temperature control module, a base plate, a plurality of submounts, and a microelectromechanical system (MEMS) base. The light-forming unit also includes a plurality of laser diodes arranged on the submounts, a filter arranged on the base plate and located to receive the light emitted from the plurality of laser diodes and multiplex the emitted light, a MEMS arranged on the MEMS base and located to receive the light multiplexed by the filter. The MEMS includes a scanning mirror to scan the light multiplexed by the filter, and the electronic temperature control module regulates a temperature range of the MEMS. The light-forming unit also includes a protective member surrounding and sealing the light-forming unit, which includes a base body and a lid welded to the base body.
    Type: Application
    Filed: December 29, 2021
    Publication date: April 21, 2022
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yohei ENYA, Shinya ITO, Hiromi NAKANISHI, Takashi KYONO
  • Patent number: 11245245
    Abstract: An optical module includes a light-forming unit configured to form light, and a protective member surrounding and sealing the light-forming unit. The light-forming unit includes a base member including an electronic temperature control module, a plurality of laser diodes arranged on the base member, a filter arranged on the base member and configured to multiplex light from the plurality of laser diodes, a beam shaping portion arranged on the base member and configured to convert a beam shape of the light multiplexed by the filter, and a MEMS arranged on the base member and including a scanning mirror configured to scan the light shaped in the beam shaping portion. The protective member includes a base body, and a lid welded to the base body.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: February 8, 2022
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yohei Enya, Shinya Ito, Hiromi Nakanishi, Takashi Kyono
  • Patent number: 11223182
    Abstract: An optical module includes a light-forming part configured to form light; and a protective member that includes an output window configured to transmit light from the light-forming part and that is disposed so as to surround the light-forming part. The light-forming part includes a base member; a plurality of semiconductor light-emitting devices mounted on the base member and configured to emit light differing from each other in wavelength; and a filter mounted on the base member and configured to directly receive and coaxially multiplex diverging light from the plurality of semiconductor light-emitting devices.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: January 11, 2022
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventor: Hiromi Nakanishi
  • Patent number: 11060907
    Abstract: An optical module includes a base member, a red semiconductor laser, a green semiconductor laser, a blue semiconductor laser, a first light receiving device having a first light receiving face that receives backward red light emitted from the red semiconductor laser, a second light receiving device having a second light receiving face that receives backward green light emitted from the green semiconductor laser, a third light receiving device having a third light receiving face that receives backward blue light emitted from the blue semiconductor laser, wherein the first light receiving face, the second light receiving face, and the third light receiving face are inclined relative to planes perpendicular to optical axes of the backward red light, the backward green light, and the backward blue light, respectively, to reduce the likelihood of occurrence of stray light.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: July 13, 2021
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Hiromi Nakanishi
  • Publication number: 20210167573
    Abstract: An optical module includes a light-forming unit configured to form light, and a protective member surrounding and sealing the light-forming unit. The light-forming unit includes a base member including an electronic temperature control module, a plurality of laser diodes arranged on the base member, a filter arranged on the base member and configured to multiplex light from the plurality of laser diodes, a beam shaping portion arranged on the base member and configured to convert a beam shape of the light multiplexed by the filter, and a MEMS arranged on the base member and including a scanning mirror configured to scan the light shaped in the beam shaping portion. The protective member includes a base body, and a lid welded to the base body.
    Type: Application
    Filed: March 5, 2019
    Publication date: June 3, 2021
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yohei ENYA, Shinya ITO, Hiromi NAKANISHI, Takashi KYONO
  • Patent number: 10892596
    Abstract: An optical module includes a first base member, a second base member disposed spatially away from the first base member, a first laser disposed on the first base member and configured to emit red light, a second laser disposed on the second base member and configured to emit light with a color other than red, and a first electronic cooling module disposed in contact with the first base member and configured to adjust a temperature of the first laser.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: January 12, 2021
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Yohei Enya, Hiromi Nakanishi
  • Patent number: 10886700
    Abstract: An optical module control method is a method for controlling an optical module that includes a semiconductor light emitting element and an electronic cooling module configured to adjust a temperature of the semiconductor light emitting element. The optical module control method includes a step of detecting a temperature of a light emitting unit including the semiconductor light emitting element, and outputting temperature information of the semiconductor light emitting element; a step of detecting an environmental temperature and outputting temperature information of the environmental temperature, the environmental temperature being a temperature of environment where the light emitting unit is placed; and a step of controlling an output of the electronic cooling module on the basis of the temperature information of the semiconductor light emitting element and the temperature information of the environmental temperature, and adjusting the temperature of the light emitting unit.
    Type: Grant
    Filed: September 4, 2017
    Date of Patent: January 5, 2021
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Yohei Enya, Hiromi Nakanishi
  • Publication number: 20200287348
    Abstract: An optical module includes: a light emitting unit configured to generate light; a mirror mechanism configured to reflect the light generated by the light emitting unit; and a scanning unit configured to scan the light reflected from the mirror mechanism. The light emitting unit includes: a light forming unit including a plurality of semiconductor light emitting elements and a filter that multiplexes light beams from the plurality of semiconductor light emitting elements; and a protective member disposed so as to surround the light forming unit. The mirror mechanism is disposed outside the protective member and integrated with the protective member, and the scanning unit is disposed in a region surrounded by the protective member.
    Type: Application
    Filed: September 27, 2018
    Publication date: September 10, 2020
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Hiromi NAKANISHI
  • Publication number: 20200227886
    Abstract: An optical module includes a light-forming part configured to form light; and a protective member that includes an output window configured to transmit light from the light-forming part and that is disposed so as to surround the light-forming part. The light-forming part includes a base member; a plurality of semiconductor light-emitting devices mounted on the base member and configured to emit light differing from each other in wavelength; and a filter mounted on the base member and configured to directly receive and coaxially multiplex diverging light from the plurality of semiconductor light-emitting devices.
    Type: Application
    Filed: March 25, 2020
    Publication date: July 16, 2020
    Applicant: Sumitomo Electric Industries, Ltd.
    Inventor: Hiromi NAKANISHI
  • Publication number: 20200220323
    Abstract: An optical module includes a light-forming unit that forms light. The light-forming unit includes: a base member; a semiconductor light-emitting element mounted on the base member and configured to emit light; a lens that is mounted on the base member, reflects part of the light emitted from the semiconductor light-emitting element, and transmits part of the light; and a light-receiving element mounted on the base member at a position that is between the semiconductor light-emitting element and the lens and is outside an irradiate region irradiated with the light emitted from the semiconductor light-emitting element toward the lens. The light-receiving element has a light-receiving surface and is configured to receive, on the light-receiving surface, part of the light reflected from the lens.
    Type: Application
    Filed: September 7, 2018
    Publication date: July 9, 2020
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Hiromi NAKANISHI
  • Patent number: 10655241
    Abstract: A method for producing an electrode foil includes an electrolytic etching step of etching a metal foil containing first metal by applying current between the metal foil and an electrode in etching liquid while a principal surface of the metal foil faces the electrode. A masking member is disposed between the principal surface of the metal foil and the electrode so as to cover a partial region of the principal surface. The masking member is an electric conductor. The masking member is electrically connected with the metal foil.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: May 19, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kyohei Kobayashi, Yukiyasu Sugihara, Hiroshi Yoshida, Mitsuhisa Yoshimura, Hiromi Nakanishi
  • Patent number: 10644480
    Abstract: An optical module includes a light-forming part configured to form light; and a protective member that includes an output window configured to transmit light from the light-forming part and that is disposed so as to surround the light-forming part. The light-forming part includes a base member; a plurality of semiconductor light-emitting devices mounted on the base member and configured to emit light differing from each other in wavelength; and a filter mounted on the base member and configured to directly receive and coaxially multiplex diverging light from the plurality of semiconductor light-emitting devices.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: May 5, 2020
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventor: Hiromi Nakanishi
  • Patent number: 10607787
    Abstract: A method for producing an electrode foil includes: a first step of preparing a metal foil, the metal foil having a strip shape; a second step of disposing a masking member so as to cover part of a principal surface of the metal foil; and a third step of partially etching the principal surface of the metal foil by applying current between the metal foil and an electrode while the metal foil faces the electrode via the masking member in etching liquid after the second step. The masking member has a strip shape. In the second step, the masking member is disposed along a longitudinal direction of the metal foil so as to be separated from both side edges of the metal foil.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: March 31, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kyohei Kobayashi, Yukiyasu Sugihara, Hiroshi Yoshida, Mitsuhisa Yoshimura, Hiromi Nakanishi
  • Patent number: 10601200
    Abstract: An optical module includes a semiconductor laser and a linear polarizer that is disposed in an emission direction of the semiconductor laser and that is configured to transmit, of light emitted by the semiconductor laser, only light containing a linearly polarized light component in a specific direction.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: March 24, 2020
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Yohei Enya, Hiromi Nakanishi, Tetsuya Kumano
  • Publication number: 20190360862
    Abstract: An optical module includes a base member, a red semiconductor laser, a green semiconductor laser, a blue semiconductor laser, a first lens to change a spot size of light emitted from the red semiconductor laser, a second lens to change a spot size of light emitted from the green semiconductor laser, a third lens to change a spot size of light emitted from the blue semiconductor laser, a first light receiving device having a first light receiving face that receives backward red light emitted from the red semiconductor laser in an opposite direction to light emitted therefrom toward the first lens, a second light receiving device having a second light receiving face that receives backward green light emitted from the green semiconductor laser in an opposite direction to light emitted therefrom toward the second lens, a third light receiving device having a third light receiving face that receives backward blue light emitted from the blue semiconductor laser in an opposite direction to light emitted therefrom to
    Type: Application
    Filed: November 15, 2017
    Publication date: November 28, 2019
    Inventor: Hiromi NAKANISHI
  • Publication number: 20190334315
    Abstract: An optical module control method is a method for controlling an optical module that includes a semiconductor light emitting element and an electronic cooling module configured to adjust a temperature of the semiconductor light emitting element. The optical module control method includes a step of detecting a temperature of a light emitting unit including the semiconductor light emitting element, and outputting temperature information of the semiconductor light emitting element; a step of detecting an environmental temperature and outputting temperature information of the environmental temperature, the environmental temperature being a temperature of environment where the light emitting unit is placed; and a step of controlling an output of the electronic cooling module on the basis of the temperature information of the semiconductor light emitting element and the temperature information of the environmental temperature, and adjusting the temperature of the light emitting unit.
    Type: Application
    Filed: September 4, 2017
    Publication date: October 31, 2019
    Applicant: SUMITOMO ELECTRIC INSDUSTRIES, LTD.
    Inventors: Yohei Enya, Hiromi Nakanishi
  • Publication number: 20190326726
    Abstract: An optical module includes a first base member, a second base member disposed spatially away from the first base member, a first laser disposed on the first base member and configured to emit red light, a second laser disposed on the second base member and configured to emit light with a color other than red, and a first electronic cooling module disposed in contact with the first base member and configured to adjust a temperature of the first laser.
    Type: Application
    Filed: October 27, 2017
    Publication date: October 24, 2019
    Applicant: Sumitomo Electric Industries, Ltd.
    Inventors: Yohei Enya, Hiromi Nakanishi
  • Patent number: 10374395
    Abstract: A three-color light source 1 is a three-color light source that combines red, green, and blue laser light so as to output light. The three-color light source 1 includes a red LD 11, a green LD 12, a blue LD 13, a first collimator lens 61, a second collimator lens 62, a third collimator lens 63, a first wavelength filter 81, a second wavelength filter 82, a carrier 30 that is equipped with the LDs 11 to 13, the collimator lenses 61 to 63, and the wavelength filters 81 and 82, and a TEC 40 that is equipped with the carrier 30. The red LD 11 is formed of a GaAs-based material, and the green LD 12 and the blue LD 13 are formed of GaN-based materials.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: August 6, 2019
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventor: Hiromi Nakanishi
  • Publication number: 20190237932
    Abstract: An optical module includes a semiconductor laser and a linear polarizer that is disposed in an emission direction of the semiconductor laser and that is configured to transmit, of light emitted by the semiconductor laser, only light containing a linearly polarized light component in a specific direction.
    Type: Application
    Filed: November 10, 2017
    Publication date: August 1, 2019
    Inventors: Yohei Enya, Hiromi Nakanishi, Tetsuya Kumano
  • Patent number: 10345603
    Abstract: An optical module includes a light-forming part and a protective member. The light-forming part includes a base member; semiconductor light-emitting devices mounted on the base member; lenses mounted on the base member and configured to convert, in terms of spot size, light emitted from the semiconductor light-emitting devices; and light-receiving devices that are mounted on the base member, that are disposed, in the emission directions of the semiconductor light-emitting devices, between the semiconductor light-emitting devices and the lenses, and that are configured to directly receive light from the semiconductor light-emitting devices.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: July 9, 2019
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventor: Hiromi Nakanishi