Patents by Inventor Mitsuo Ishii

Mitsuo Ishii 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).

  • Light wave distance measuring theodolite
    Patent number: D723398
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: March 3, 2015
    Assignee: Kabushiki Kaisha Topcon
    Inventor: Mitsuo Ishii
  • Measuring device for measuring in three-dimension
    Patent number: D723953
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: March 10, 2015
    Assignee: Kabushiki Kaisha Topcon
    Inventor: Mitsuo Ishii
  • Optical measuring thedolite using light wave
    Patent number: D766753
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: September 20, 2016
    Assignee: KABUSHIKI KAISHA TOPCON
    Inventors: Mitsuo Ishii, Takeo Aoki
  • Surveying instrument mounted on vehicle
    Patent number: D766755
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: September 20, 2016
    Assignee: KABUSHIKI KAISHA TOPCON
    Inventors: Mitsuo Ishii, Takashi Shishido
  • Optical measuring theodolite using light wave
    Patent number: D777588
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: January 31, 2017
    Assignee: KABUSHIKI KAISHA TOPCON
    Inventors: Takeo Aoki, Mitsuo Ishii
  • Optical measuring theodolite using light wave
    Patent number: D778745
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: February 14, 2017
    Assignee: KABUSHIKI KAISHA TOPCON
    Inventor: Mitsuo Ishii
  • Optical measuring theodolite using light wave
    Patent number: D781730
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: March 21, 2017
    Assignee: KABUSHIKI KAISHA TOPCON
    Inventors: Mitsuo Ishii, Satoshi Nakamura
  • Optical measuring theodolite using light wave
    Patent number: D781731
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: March 21, 2017
    Assignee: KABUSHIKI KAISHA TOPCON
    Inventors: Mitsuo Ishii, Satoshi Nakamura
  • Surveying instrument
    Patent number: D783426
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: April 11, 2017
    Assignee: KABUSHIKI KAISHA TOPCON
    Inventor: Mitsuo Ishii
  • Surveying instrument
    Patent number: D783427
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: April 11, 2017
    Assignee: KABUSHIKI KAISHA TOPCON
    Inventor: Mitsuo Ishii
  • Light wave optical measuring theodolite
    Patent number: D787345
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: May 23, 2017
    Assignee: KABUSHIKI KAISHA TOPCON
    Inventor: Mitsuo Ishii
  • Surveying instrument
    Patent number: D795720
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: August 29, 2017
    Assignee: TOPCON CORPORATION
    Inventors: Mitsuo Ishii, Kazuhiro Morita
  • Surveying instrument
    Patent number: D795721
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: August 29, 2017
    Assignee: TOPCON CORPORATION
    Inventor: Mitsuo Ishii
  • Light wave distance measuring theodolite
    Patent number: D834968
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: December 4, 2018
    Assignee: TOPCON CORPORATION
    Inventor: Mitsuo Ishii
  • Light wave distance measuring theodolite
    Patent number: D834969
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: December 4, 2018
    Assignee: TOPCON CORPORATION
    Inventor: Mitsuo Ishii
  • Surveying instrument
    Patent number: D835532
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: December 11, 2018
    Inventor: Mitsuo Ishii
  • Surveying instrument
    Patent number: D859185
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: September 10, 2019
    Inventor: Mitsuo Ishii
  • Surveying instrument
    Patent number: D935911
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: November 16, 2021
    Assignee: Topcon Corporation
    Inventor: Mitsuo Ishii
  • Surveying instrument
    Patent number: D971037
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: November 29, 2022
    Inventors: Mitsuo Ishii, Yasuhisa Kaneda
  • Level indicator for survey
    Patent number: D971038
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: November 29, 2022
    Inventor: Mitsuo Ishii