Patents by Inventor Yoshitsugu YAMAZAWA

Yoshitsugu YAMAZAWA 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: 10267965
    Abstract: A microscope includes: a stage on which a specimen is placed; an illumination optical system that includes a monochromatic light LED chip and a phosphor filter, which is arranged to be insertable and removable on and from an illumination optical path and is excited by light having a specific wavelength band irradiated from the monochromatic light LED chip to emit fluorescence having a longer wavelength relative to the light, the illumination optical system being configured to irradiate the specimen with illumination light; and an observation optical system that includes an absorption filter which is insertable and removable on and from an observation optical path and selectively takes fluorescence having a predetermined wavelength from the fluorescence emitted from the specimen.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: April 23, 2019
    Assignee: OLYMPUS CORPORATION
    Inventor: Yoshitsugu Yamazawa
  • Publication number: 20180045868
    Abstract: A microscope includes: a stage on which a specimen is placed; an illumination optical system that includes a monochromatic light LED chip and a phosphor filter, which is arranged to be insertable and removable on and from an illumination optical path and is excited by light having a specific wavelength band irradiated from the monochromatic light LED chip to emit fluorescence having a longer wavelength relative to the light, the illumination optical system being configured to irradiate the specimen with illumination light; and an observation optical system that includes an absorption filter which is insertable and removable on and from an observation optical path and selectively takes fluorescence having a predetermined wavelength from the fluorescence emitted from the specimen.
    Type: Application
    Filed: August 8, 2017
    Publication date: February 15, 2018
    Applicant: OLYMPUS CORPORATION
    Inventor: Yoshitsugu YAMAZAWA
  • Patent number: 9568719
    Abstract: A microscope apparatus includes a stage for holding a specimen, a stand portion for holding the stage, an arm portion having two arms extending from an upper part of the stand portion to a front side of the microscope apparatus, an optical system supported by the arm portion and configured to enlarge an image of the specimen on the stage, and gripping portions provided respectively on lower parts of the two arms and configured to be gripped by an observer.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: February 14, 2017
    Assignee: OLYMPUS CORPORATION
    Inventor: Yoshitsugu Yamazawa
  • Publication number: 20150338626
    Abstract: A microscope apparatus includes a stage for holding a specimen, a stand portion for holding the stage, an arm portion having two arms extending from an upper part of the stand portion to a front side of the microscope apparatus, an optical system supported by the arm portion and configured to enlarge an image of the specimen on the stage, and gripping portions provided respectively on lower parts of the two arms and configured to be gripped by an observer.
    Type: Application
    Filed: May 20, 2015
    Publication date: November 26, 2015
    Applicant: OLYMPUS CORPORATION
    Inventor: Yoshitsugu YAMAZAWA