Patents by Inventor Shigehisa Hagura

Shigehisa Hagura 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).

  • Hydraulic excavator
    Patent number: D684599
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: June 18, 2013
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Akira Saito, Kazuhiko Hiraoka, Shigehisa Hagura, Tomoyuki Miyata, Teruo Irino, Katsuhiro Sasaki, Kohei Urase, Tomoyuki Tanaka
  • Weight for a construction machine
    Patent number: D684602
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: June 18, 2013
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shigehisa Hagura, Junya Kawamoto, Katsuhiro Sasaki, Osamu Kokuryo, Yasuhiro Miyahara
  • Cover for construction machine
    Patent number: D684605
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: June 18, 2013
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shigehisa Hagura, Tomoyuki Miyata, Makoto Motozu, Yuuki Umizaki
  • Cover for construction machine
    Patent number: D684606
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: June 18, 2013
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shigehisa Hagura, Tomoyuki Miyata, Teruo Irino, Makoto Motozu, Seiichi Kihara
  • Cover for operator cab interior for construction machine with console box
    Patent number: D685006
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: June 25, 2013
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shigehisa Hagura, Tomoyuki Miyata, Shogo Kimura, Tomoyuki Tanaka, Hiroshi Tabeta, Yasuo Ooshima
  • Portion of a hydraulic excavator
    Patent number: D685008
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: June 25, 2013
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shigehisa Hagura, Kazuhiko Hiraoka, Tomoyuki Miyata, Akira Saito, Teruo Irino, Makoto Motozu
  • Portion of a hydraulic excavator
    Patent number: D685009
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: June 25, 2013
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Akira Saito, Kazuhiko Hiraoka, Shigehisa Hagura, Tomoyuki Miyata, Teruo Irino, Katsuhiro Sasaki, Kohei Urase, Yuuki Umizaki
  • Console for construction machine
    Patent number: D689529
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: September 10, 2013
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shigehisa Hagura, Tomoyuki Miyata, Shogo Kimura, Tomoyuki Tanaka, Hiroshi Tabeta, Yasuo Ooshima, Hiroki Tanaka
  • Portion of cab for construction machine
    Patent number: D689530
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: September 10, 2013
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Tomoyuki Miyata, Kazuhiko Hiraoka, Shigehisa Hagura, Hiroki Tanaka, Kazunori Komatsu
  • Weight for a construction machine
    Patent number: D693858
    Type: Grant
    Filed: April 10, 2013
    Date of Patent: November 19, 2013
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shigehisa Hagura, Tomoyuki Miyata, Nozomu Tanaka, Toshiki Okamoto
  • Hydraulic excavator
    Patent number: D695791
    Type: Grant
    Filed: April 10, 2013
    Date of Patent: December 17, 2013
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shigehisa Hagura, Tomoyuki Miyata, Nozomu Tanaka, Takeo Manabe
  • Forklift
    Patent number: D703908
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: April 29, 2014
    Assignee: TCM Corporation
    Inventors: Kazuhiko Hiraoka, Shigehisa Hagura, Toshihiko Terashima, Munehito Adachi, Koji Shiizaki, Jun Fujita, Junichi Murakami, Hironori Hirakawa
  • Excavator
    Patent number: D752112
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: March 22, 2016
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shigehisa Hagura, Tomoyuki Miyata, Kazuhiko Hiraoka, Hiroshi Tabeta, Keiji Ahiko, Junya Kawamoto, Tomoyuki Tanaka
  • Excavator
    Patent number: D752113
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: March 22, 2016
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shigehisa Hagura, Tomoyuki Miyata, Kazuhiko Hiraoka, Hiroshi Tabeta, Keiji Ahiko, Junya Kawamoto, Ryozo Fujikawa
  • Excavator
    Patent number: D752651
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: March 29, 2016
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shigehisa Hagura, Tomoyuki Miyata, Kazuhiko Hiraoka, Osamu Kokuryou, Keiji Ahiko, Junya Kawamoto, Tomoyuki Tanaka
  • Hydraulic excavator
    Patent number: D798340
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: September 26, 2017
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shigehisa Hagura, Tomoyuki Miyata, Kazuhiko Hiraoka, Makoto Oota, Shinya Abe
  • Cab for construction machine
    Patent number: D854587
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: July 23, 2019
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Atsushi Ninomiya, Yusuke Daimon, Katsumi Usami, Shigehisa Hagura, Ei Takahashi, Takeo Manabe
  • Air conditioning duct cover with monitor for construction machine
    Patent number: D856379
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: August 13, 2019
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Atsushi Ninomiya, Yusuke Daimon, Katsumi Usami, Shigehisa Hagura, Ei Takahashi, Takeo Manabe
  • Seat for operator cab for construction machine
    Patent number: D857755
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: August 27, 2019
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Atsushi Ninomiya, Yusuke Daimon, Katsumi Usami, Shigehisa Hagura, Ei Takahashi, Takeo Manabe
  • Excavator
    Patent number: D875143
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: February 11, 2020
    Assignee: Hitachi Contruction Machinery Co., Ltd.
    Inventors: Shigehisa Hagura, Atsushi Ninomiya, Masao Kariya, Hayato Kubota, Hiroki Sugawara