Patents by Inventor Hiromoto Kanamitsu

Hiromoto Kanamitsu 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).

  • Piezoelectric actuator and lens barrel
    Patent number: 9154053
    Abstract: A piezoelectric actuator includes: a plurality of first piezoelectric elements; a first member that is interposed between the plurality of first piezoelectric elements and that is driven in a first direction by the plurality of first piezoelectric elements; a second piezoelectric element that is disposed on the first member; and a second member that is disposed in contact with the second piezoelectric element and that is driven in a second direction intersecting the first direction by the second piezoelectric element.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: October 6, 2015
    Assignee: NIKON CORPORATION
    Inventors: Kunihiro Kuwano, Hiromoto Kanamitsu
  • PIEZOELECTRIC ACTUATOR AND LENS BARREL
    Publication number: 20140104711
    Abstract: A piezoelectric actuator includes: a plurality of first piezoelectric elements; a first member that is interposed between the plurality of first piezoelectric elements and that is driven in a first direction by the plurality of first piezoelectric elements; a second piezoelectric element that is disposed on the first member; and a second member that is disposed in contact with the second piezoelectric element and that is driven in a second direction intersecting the first direction by the second piezoelectric element.
    Type: Application
    Filed: December 26, 2013
    Publication date: April 17, 2014
    Applicant: NIKON CORPORATION
    Inventors: Kunihiro KUWANO, Hiromoto KANAMITSU
  • Piezoelectric actuator and lens barrel
    Patent number: 8693116
    Abstract: A piezoelectric actuator includes: a plurality of first piezoelectric elements; a first member that is interposed between opposing faces of the plurality of the first piezoelectric elements and that is driven in a first direction by the plurality of the first piezoelectric elements; a second piezoelectric element that is disposed in the first member; a second member that is disposed in contact with the second piezoelectric element and that is driven in a second direction intersecting the first direction by the second piezoelectric element; and a third member that comes in contact with the second member and that is moved relative to the first member by driving the second member.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: April 8, 2014
    Assignee: Nikon Corporation
    Inventors: Kunihiro Kuwano, Hiromoto Kanamitsu
  • Piezoelectric actuator and lens barrel
    Patent number: 8654462
    Abstract: A piezoelectric actuator includes: a plurality of first piezoelectric elements; a first member that is interposed between opposing faces of the plurality of the first piezoelectric elements and that is driven in a first direction by the plurality of the first piezoelectric elements; a second piezoelectric element that is disposed in the first member; a second member that is disposed in contact with the second piezoelectric element and that is driven in a second direction intersecting the first direction by the second piezoelectric element; and a third member that comes in contact with the second member and that is moved relative to the first member by driving the second member.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: February 18, 2014
    Assignee: Nikon Corporation
    Inventors: Kunihiro Kuwano, Hiromoto Kanamitsu
  • PIEZOELECTRIC ACTUATOR AND LENS BARREL
    Publication number: 20110317292
    Abstract: A piezoelectric actuator includes: a plurality of first piezoelectric elements; a first member that is interposed between opposing faces of the plurality of the first piezoelectric elements and that is driven in a first direction by the plurality of the first piezoelectric elements; a second piezoelectric element that is disposed in the first member; a second member that is disposed in contact with the second piezoelectric element and that is driven in a second direction intersecting the first direction by the second piezoelectric element; and a third member that comes in contact with the second member and that is moved relative to the first member by driving the second member.
    Type: Application
    Filed: March 31, 2010
    Publication date: December 29, 2011
    Applicant: NIKON CORPORATION
    Inventors: Kunihiro Kuwano, Hiromoto Kanamitsu