Patents by Inventor Masaru SHIMOMAKI

Masaru SHIMOMAKI 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).

  • Fiber structure, pulse laser device, and supercontinuum light source
    Patent number: 11733464
    Abstract: A fiber structure includes first and second optical fibers disposed such that end portions thereof butt, a sheet-shaped saturable absorber including a carbon nanotube and disposed between the end portion of the first optical fiber and the end portion of the second optical fiber, and a housing internally accommodating the end portion of the first optical fiber and the end portion of the second optical fiber. A space in the housing including the saturable absorber is airtight.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: August 22, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Ryota Kakei, Shin Kato, Fumitsugu Fukuyo, Tomoya Nakazawa, Masaru Shimomaki, Shinichi Ohba, Yu Matsushiro
  • FIBER STRUCTURE, PULSE LASER DEVICE, AND SUPERCONTINUUM LIGHT SOURCE
    Publication number: 20210373246
    Abstract: A fiber structure includes first and second optical fibers disposed such that end portions thereof butt, a sheet-shaped saturable absorber including a carbon nanotube and disposed between the end portion of the first optical fiber and the end portion of the second optical fiber, and a housing internally accommodating the end portion of the first optical fiber and the end portion of the second optical fiber. A space in the housing including the saturable absorber is airtight.
    Type: Application
    Filed: July 11, 2019
    Publication date: December 2, 2021
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Ryota KAKEI, Shin KATO, Fumitsugu FUKUYO, Tomoya NAKAZAWA, Masaru SHIMOMAKI, Shinichi OHBA, Yu MATSUSHIRO
  • FIBER STRUCTURE, PULSE LASER DEVICE, SUPERCONTINUUM LIGHT SOURCE, AND PRODUCTION METHOD FOR FIBER STRUCTURE
    Publication number: 20210376554
    Abstract: A fiber structure includes first and second optical fibers disposed such that tip portions thereof butt and a sheet-shaped saturable absorber sandwiched between the tip portion of the first optical fiber and the tip portion of the second optical fiber. Each of the tip portions of the first optical fiber and the second optical fiber has a core, a cladding provided around the core, and a ferrule provided around the cladding. The tip portion of the first optical fiber has a protruding shape protruding to a tip side. The saturable absorber has an adhering part at least adhering to the core of the first optical fiber and a non-adhering part present around the adhering part and not adhering to the tip portion of the first optical fiber.
    Type: Application
    Filed: July 11, 2019
    Publication date: December 2, 2021
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Ryota KAKEI, Shin KATO, Masaru SHIMOMAKI, Fumitsugu FUKUYO, Tomoya NAKAZAWA, Yu MATSUSHIRO