Patents by Inventor Shigeru Ohtani

Shigeru Ohtani 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).

  • Variable focal length lens
    Patent number: D829261
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: September 25, 2018
    Assignee: MITUTOYO CORPORATION
    Inventors: Sadayuki Matsumiya, Kenji Okabe, Tatsuya Nagahama, Masaki Okayasu, Shigeru Ohtani, Yu Sugai, Yoshiro Asano
  • Machine for measuring surface shape and surface roughness
    Patent number: D840847
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: February 19, 2019
    Assignee: MITUTOYO CORPORATION
    Inventors: Futoshi Doi, Toshihiko Kajihara, Yu Sugai, Shigeru Ohtani, Shigemitsu Aoki
  • Hardness tester
    Patent number: D847674
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: May 7, 2019
    Assignee: MITUTOYO CORPORATION
    Inventors: Sadayuki Matsumiya, Yoshiro Asano, Masaru Kawazoe, Fumihiko Koshimizu, Shigeru Ohtani, Yu Sugai
  • Hardness tester
    Patent number: D847675
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: May 7, 2019
    Assignee: MITUTOYO CORPORATION
    Inventors: Sadayuki Matsumiya, Yoshiro Asano, Masaru Kawazoe, Fumihiko Koshimizu, Shigeru Ohtani, Yu Sugai
  • Hardness tester
    Patent number: D847676
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: May 7, 2019
    Assignee: MITUTOYO CORPORATION
    Inventors: Sadayuki Matsumiya, Yoshiro Asano, Masaru Kawazoe, Fumihiko Koshimizu, Shigeru Ohtani, Yu Sugai
  • Display device for hardness tester
    Patent number: D848867
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: May 21, 2019
    Assignee: MITUTOYO CORPORATION
    Inventors: Sadayuki Matsumiya, Yoshiro Asano, Masaru Kawazoe, Fumihiko Koshimizu, Shigeru Ohtani, Yu Sugai, Yu Kawakubo
  • Hardness tester
    Patent number: D848882
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: May 21, 2019
    Assignee: MITUTOYO CORPORATION
    Inventors: Sadayuki Matsumiya, Yoshiro Asano, Masaru Kawazoe, Fumihiko Koshimizu, Shigeru Ohtani, Yu Sugai
  • Hardness tester
    Patent number: D848883
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: May 21, 2019
    Assignee: MITUTOYO CORPORATION
    Inventors: Sadayuki Matsumiya, Yoshiro Asano, Masaru Kawazoe, Fumihiko Koshimizu, Shigeru Ohtani, Yu Sugai
  • Variable focal length lens
    Patent number: D869542
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: December 10, 2019
    Assignee: MITUTOYO CORPORATION
    Inventors: Masaki Okayasu, Masafumi Yamanaka, Isaiah Freerksen, Masanori Arai, Tatsuya Nagahama, Shigeru Ohtani, Yu Sugai, Yoshiro Asano
  • Variable focal length lens
    Patent number: D870795
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: December 24, 2019
    Assignee: MITUTOYO CORPORATION
    Inventors: Masaki Okayasu, Masafumi Yamanaka, Isaiah Freerksen, Masanori Arai, Tatsuya Nagahama, Shigeru Ohtani, Yu Sugai, Yoshiro Asano
  • Micrometer
    Patent number: D893327
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: August 18, 2020
    Assignee: MITUTOYO CORPORATION
    Inventors: Yoshiro Asano, Shigeru Ohtani, Tomomi Sakaguchi
  • Digital dial gauge
    Patent number: D938294
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: December 14, 2021
    Assignee: MITUTOYO CORPORATION
    Inventors: Yoshiro Asano, Shigeru Ohtani, Kenji Iwamoto, Yuhei Takatsu
  • Digital dial gauge
    Patent number: D941170
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: January 18, 2022
    Assignee: MITUTOYO CORPORATION
    Inventors: Shigeru Ohtani, Yuhei Takatsu
  • Digital dial gauge
    Patent number: D943442
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: February 15, 2022
    Assignee: MITUTOYO CORPORATION
    Inventors: Yoshiro Asano, Shigeru Ohtani, Yuhei Takatsu, Hiroyuki Watanabe
  • Digital dial gauge
    Patent number: D943443
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: February 15, 2022
    Assignee: MITUTOYO CORPORATION
    Inventors: Yoshiro Asano, Shigeru Ohtani, Yuhei Takatsu, Hiroyuki Watanabe
  • Data reader
    Patent number: D949851
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: April 26, 2022
    Assignee: MITUTOYO CORPORATION
    Inventors: Shigeru Ohtani, Takayuki Yonezawa, Rie Arai, Motohiro Osaki
  • Data output interface
    Patent number: D949852
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: April 26, 2022
    Assignee: MITUTOYO CORPORATION
    Inventors: Shigeru Ohtani, Takayuki Yonezawa, Rie Arai, Motohiro Osaki
  • Data output interface
    Patent number: D949853
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: April 26, 2022
    Assignee: MITUTOYO CORPORATION
    Inventors: Shigeru Ohtani, Takayuki Yonezawa, Rie Arai, Motohiro Osaki
  • Display plate for measurement
    Patent number: D954578
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: June 14, 2022
    Assignee: MITUTOYO CORPORATION
    Inventors: Nobuyuki Hayashi, Takefumi Kiwada, Shigeru Ohtani
  • Resistor
    Patent number: D962869
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: September 6, 2022
    Assignee: MITUTOYO CORPORATION
    Inventors: Shigeru Ohtani, Takayuki Yonezawa, Rie Arai, Motohiro Osaki