Patents by Inventor Hideo Itaya

Hideo Itaya 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).

  • Wide-visual-field microscope objective lens system
    Patent number: 4212515
    Abstract: A microscope objective lens system which has a long working distance and wherein image plane is flat over a wide visual field and various aberrations are favorably corrected, and said lens system comprising a first negative meniscus lens component, a second positive lens component, a third positive cemented lens component, a fourth positive lens component and a fifth negative cemented lens component.
    Type: Grant
    Filed: March 8, 1978
    Date of Patent: July 15, 1980
    Assignee: Olympus Optical Co., Ltd.
    Inventor: Hideo Itaya
  • Photo eyepiece for microscopes
    Patent number: 4200357
    Abstract: A photo eyepiece for microscopes comprising a front lens group consisting of a first positive meniscus lens component, and a rear lens group consisting of a second positive single or cemented lens component, a third negative lens component and a fourth positive single or cemented lens component. Astigmatism, curvature of field, etc. are favorably corrected in said photo eyepiece so that it can form good images over a wide visual field of micrography.
    Type: Grant
    Filed: June 15, 1978
    Date of Patent: April 29, 1980
    Assignee: Olympus Optical Co., Ltd.
    Inventor: Hideo Itaya
  • Photo eyepiece for microscopes
    Patent number: 4145108
    Abstract: A photo eyepiece for microscopes comprising a front lens group which is a field lens and a rear lens group arranged as a triplet type. The photo eyepiece for microscope is arranged to eliminate lateral chromatic aberration, astigmatism, curvature of image, etc. and to photograph a flat image over a wide field.
    Type: Grant
    Filed: July 6, 1977
    Date of Patent: March 20, 1979
    Assignee: Olympus Optical Co., Ltd.
    Inventor: Hideo Itaya