Patents by Inventor Tatsuhiko Okita

Tatsuhiko Okita 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: 20150198861
    Abstract: A light adjusting apparatus including first and second substrates that include openings and are disposed parallel to each other at a predetermined distance, a rotating shaft member rotatably attached to the first and second substrates, a drive section that rotates the rotating shaft member, an incident light adjusting section that has a light adjusting function and is joined to the rotating shaft member so as to rotate integrally therewith, and a ring-shaped protruding portion for increasing a junction area of a joint portion between the rotating shaft member and the incident light adjusting section, in which the incident light adjusting section is rotated by the drive section via the rotating shaft member to be displaced to an inserted position located in the optical path of the incident light that passes through the openings or a retracted position to thereby adjust the incident light.
    Type: Application
    Filed: March 26, 2015
    Publication date: July 16, 2015
    Applicant: OLYMPUS CORPORATION
    Inventor: Tatsuhiko OKITA
  • Publication number: 20150071629
    Abstract: Incident light that passes through the optical aperture is controlled by pivoting the light control unit (130) alternately to a first stationary position of being retracted from the optical aperture (102 and 122), and a second stationary position of overlapping with the optical aperture by moving the light control unit by the drive unit (132 and 150), and when the light control unit is at the first stationary position, the light control unit is capable of sticking out of the first substrate and the second substrate.
    Type: Application
    Filed: November 12, 2014
    Publication date: March 12, 2015
    Applicant: OLYMPUS CORPORATION
    Inventor: Tatsuhiko OKITA
  • Publication number: 20130258434
    Abstract: A light adjusting apparatus includes a first substrate, a second substrate, rotating-shaft member, light adjusting unit, and a drive unit. By moving the light adjusting unit by rotating the rotating-shaft member by the drive unit, the light adjusting unit is pivoted alternately to an opened position at which, the light adjusting unit is corresponding to the optical aperture, and a retracted position at which, the light adjusting unit is retracted from the optical aperture, and incident light which passes through the optical aperture is adjusted in the light adjusting apparatus. The light adjusting unit includes an optical element, and has an isolating unit which isolates a surface opposite each other the first substrate and the second substrate of the optical element, and the first substrate and the second substrate.
    Type: Application
    Filed: May 29, 2013
    Publication date: October 3, 2013
    Inventor: Tatsuhiko OKITA
  • Patent number: 8422154
    Abstract: A light adjusting apparatus according to the present invention includes a first substrate and a second substrate having an optical aperture, a rotating shaft member which has been rotatably installed with respect to the first substrate and the second substrate, a light adjusting unit which is joined to the rotating shaft member, and a driving unit which moves the light adjusting unit by driving to rotate the rotating shaft member. Light which passes through the optical aperture is adjusted by moving the light adjusting unit by rotating the rotating shaft member by the driving unit. The light adjusting unit has a notch, and the rotating shaft member and the light adjusting unit are joined at the notch.
    Type: Grant
    Filed: July 5, 2011
    Date of Patent: April 16, 2013
    Assignee: Olympus Corporation
    Inventor: Tatsuhiko Okita
  • Patent number: 8118502
    Abstract: A method includes a drive step of causing a light control member from a first position to a second position and from the second position to the first position by a drive source, a detection step of detecting the position and state of the light control member, and a drive signal application step of applying a desired drive signal to the drive source in accordance with the position or state of the light control member detected in the detection step.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: February 21, 2012
    Assignee: Olympus Corporation
    Inventor: Tatsuhiko Okita
  • Publication number: 20120002309
    Abstract: A light adjusting apparatus according to the present invention includes a first substrate and a second substrate having an optical aperture, a rotating shaft member which has been rotatably installed with respect to the first substrate and the second substrate, a light adjusting unit which is joined to the rotating shaft member, and a driving unit which moves the light adjusting unit by driving to rotate the rotating shaft member. Light which passes through the optical aperture is adjusted by moving the light adjusting unit by rotating the rotating shaft member by the driving unit. The light adjusting unit has a notch, and the rotating shaft member and the light adjusting unit are joined at the notch.
    Type: Application
    Filed: July 5, 2011
    Publication date: January 5, 2012
    Applicant: OLYMPUS CORPORATION
    Inventor: Tatsuhiko OKITA
  • Patent number: 8040584
    Abstract: A light controlling apparatus includes a substrate in which an optical aperture is formed, a first light controlling means and a second light controlling means, each having an optical aperture regulating portion, and a drive source which operates the first light controlling means and the second light controlling means. The first light controlling means and the second light controlling means move mutually to a first stationary position retracted from a position of the optical aperture and a second stationary position which overlaps with the position of the optical aperture. A rotating shaft member is formed integrally with the first light controlling means. A coupling portion is formed on at least one of the first light controlling means and the second light controlling means, and the first light controlling means is rotated by rotating the rotating shaft member by the drive source, and the second light controlling means is also rotated in conjunction by the coupling portion.
    Type: Grant
    Filed: July 23, 2010
    Date of Patent: October 18, 2011
    Assignee: Olympus Corporation
    Inventor: Tatsuhiko Okita
  • Publication number: 20110032592
    Abstract: A light controlling apparatus includes a substrate in which an optical aperture is formed, a first light controlling means and a second light controlling means, each having an optical aperture regulating portion, and a drive source which operates the first light controlling means and the second light controlling means. The first light controlling means and the second light controlling means move mutually to a first stationary position retracted from a position of the optical aperture and a second stationary position which overlaps with the position of the optical aperture. A rotating shaft member is formed integrally with the first light controlling means. A coupling portion is formed on at least one of the first light controlling means and the second light controlling means, and the first light controlling means is rotated by rotating the rotating shaft member by the drive source, and the second light controlling means is also rotated in conjunction by the coupling portion.
    Type: Application
    Filed: July 23, 2010
    Publication date: February 10, 2011
    Applicant: OLYMPUS CORPORATION
    Inventor: Tatsuhiko OKITA
  • Publication number: 20100253992
    Abstract: A light adjusting device includes a base plate having an aperture; at least one light adjusting member configured to adjust the amount of light passing through the aperture; and at least one electromagnetic driving source configured to rotate the light adjusting member. The light adjusting member is provided with a rotating shaft member having magnetism. The light passing through the aperture is adjusted by rotating the rotating shaft member by using the electromagnetic driving source. The electromagnetic driving source includes a yoke and a winding coil wound on the yoke. The electromagnetic driving source is disposed on the base plate such that both front end sections of the yoke face toward the rotating shaft member in an area near and including a constraining point.
    Type: Application
    Filed: March 31, 2010
    Publication date: October 7, 2010
    Applicant: OLYMPUS CORPORATION
    Inventor: Tatsuhiko OKITA
  • Publication number: 20100166416
    Abstract: A method includes a drive step of causing a light control member from a first position to a second position and from the second position to the first position by a drive source, a detection step of detecting the position and state of the light control member, and a drive signal application step of applying a desired drive signal to the drive source in accordance with the position or state of the light control member detected in the detection step.
    Type: Application
    Filed: December 22, 2009
    Publication date: July 1, 2010
    Applicant: OLYMPUS CORPORATION
    Inventor: Tatsuhiko OKITA
  • Publication number: 20090304378
    Abstract: For providing a small-size light controlling apparatus in which a desirable opening and closing operation of a diaphragm blade is possible by driving an ion-conducting actuator by a small voltage, a light controlling apparatus is made to include a substrate in which an optical aperture is formed, a light controlling mechanism which is provided with another optical aperture and a shielding section, an actuator which generates a power which rotates the light controlling mechanism, a controlling mechanism which displaces the actuator, and a transmission member of which, one end is coupled with the light controlling mechanism, and the other end is coupled with the actuator via a coupling member, and which transmits the power of the actuator to the light controlling mechanism. The transmission member, at the time of transmitting the power, widens the displacement of the actuator.
    Type: Application
    Filed: June 4, 2009
    Publication date: December 10, 2009
    Applicant: OLYMPUS CORPORATION
    Inventor: Tatsuhiko OKITA
  • Publication number: 20090296185
    Abstract: A stacked structure which includes at least one movable member which is movable, and a guide shaft which regulates a movement of the movable member, and which is manufactured by using a metal layer formation process and an etching process, is for manufacturing an ultra-small variable aperture apparatus as a stacked structure by using a plating process, other metal-layer formation process, and the etching process, and for making small a shaking of a diaphragm blade as a movable member, which is caused due to the clearance around the shaft. A groove portion having a first distance and a groove portion having a second distance are formed continuously in the movable member, and the second distance is smaller than the first distance. A guide shaft regulates a movement of the movable member along the groove portion having the second distance.
    Type: Application
    Filed: June 2, 2009
    Publication date: December 3, 2009
    Applicant: OLYMPUS CORPORATION
    Inventor: Tatsuhiko OKITA
  • Patent number: 7543482
    Abstract: A carbon thin line probe having a carbon thin line selectively formed at a projection-like terminal end portion thereof by means of an irradiation of high-energy beam, the carbon thin line internally containing a metal. Thereby achieved is a carbon thin line probe suitable for example for the probe of SPM cantilever, which has a high aspect ratio and high durability and reliability, capability of batch processing based on a simple manufacturing method, and to which magnetic characteristic can be imparted.
    Type: Grant
    Filed: February 27, 2007
    Date of Patent: June 9, 2009
    Assignee: Olympus Corporation
    Inventors: Masashi Kitazawa, Masaki Tanemura, Junya Tanaka, Tatsuhiko Okita
  • Publication number: 20090128880
    Abstract: In a light controlling apparatus including a substrate in which an aperture is formed, a light controlling unit in which, another aperture is formed, and a ion conducting actuator as a driving source, the aperture formed in the substrate and the aperture formed in the light controlling unit are switched by moving the light controlling unit to a first stationary position which overlaps with a position of the aperture formed in the substrate, and a second stationary position which is a position retracted from the position of the aperture formed in the substrate, by changing a shape of the ion conducting actuator by supplying an electric power to the ion conducting actuator.
    Type: Application
    Filed: November 17, 2008
    Publication date: May 21, 2009
    Applicant: OLYMPUS CORPORATION
    Inventor: Tatsuhiko OKITA
  • Publication number: 20070204681
    Abstract: A carbon thin line probe having a carbon thin line selectively formed at a projection-like terminal end portion thereof by means of an irradiation of high-energy beam, the carbon thin line internally containing a metal. Thereby achieved is a carbon thin line probe suitable for example for the probe of SPM cantilever, which has a high aspect ratio and high durability and reliability, capability of batch processing based on a simple manufacturing method, and to which magnetic characteristic can be imparted.
    Type: Application
    Filed: February 27, 2007
    Publication date: September 6, 2007
    Applicant: OLYMPUS CORPORATION
    Inventors: Masashi Kitazawa, Masaki Tanemura, Junya Tanaka, Tatsuhiko Okita