Patents by Inventor Masayuki HIDAI

Masayuki HIDAI 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).

  • Slit lamp microscope capable of observing meibomian gland
    Patent number: 11717158
    Abstract: A slit lamp microscope of the present invention, which is capable of observing a meibomian gland, comprises: a visible light source for emitting slit light; an infrared light source for emitting infrared light, the infrared light source being disposed on a light path of the slit light emitted from the visible light source; a mirror unit including a reflecting mirror or a prism for reflecting the slit light from the visible light source or the infrared light from the infrared light source to irradiate an eye of a subject; and a switching unit for switching the position of the visible light source and the infrared light source, the switching unit being capable of directing one of the visible light source and the infrared light source toward the light path of the slit light.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: August 8, 2023
    Assignee: TAKAGI SEIKO CO., LTD.
    Inventors: Takeshi Nara, Yusuke Yabana, Masayuki Hidai
  • SLIT LAMP MICROSCOPE CAPABLE OF OBSERVING MEIBOMIAN GLAND
    Publication number: 20210153739
    Abstract: A slit lamp microscope of the present invention, which is capable of observing a meibomian gland, comprises: a visible light source for emitting slit light; an infrared light source for emitting infrared light, the infrared light source being disposed on a light path of the slit light emitted from the visible light source; a mirror unit including a reflecting mirror or a prism for reflecting the slit light from the visible light source or the infrared light from the infrared light source to irradiate an eye of a subject; and a switching unit for switching the position of the visible light source and the infrared light source, the switching unit being capable of directing one of the visible light source and the infrared light source toward the light path of the slit light.
    Type: Application
    Filed: September 18, 2020
    Publication date: May 27, 2021
    Applicant: Takagi Seiko Co., Ltd.
    Inventors: Takeshi NARA, Yusuke YABANA, Masayuki HIDAI