Patents by Inventor Riku Nagayama

Riku Nagayama 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).

  • Motion assisting device
    Patent number: D958374
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: July 19, 2022
    Assignee: JTEKT CORPORATION
    Inventors: Yoshinobu Katoh, Akihisa Umetani, Takeshi Koyama, Kensaku Kogushi, Yuki Kobayashi, Riku Nagayama, Tomoko Nagura, Katsuhide Kikuchi, Shintaro Yoshida, Mikio Shinohara
  • Orthosis
    Patent number: D960381
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: August 9, 2022
    Assignee: JTEKT CORPORATION
    Inventors: Yuki Kobayashi, Yoshinobu Katoh, Hiromichi Ohta, Akihisa Umetani, Takeshi Koyama, Yoshinori Wada, Riku Nagayama, Madoka Hattori, Katsuhide Kikuchi, Shintaro Yoshida, Mikio Shinohara
  • Wheelchair
    Patent number: D1027741
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: May 21, 2024
    Assignee: JTEKT CORPORATION
    Inventors: Hiroshi Kitamoto, Akihiro Takeuchi, Riku Nagayama, Chishin Yohena, Toshiki Kumeno, Nobuaki Ikehara, Nobuyuki Togashi, Goro Tsuji, Toshihiro Ishikawa
  • Wheelchair
    Patent number: D1027742
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: May 21, 2024
    Assignee: JTEKT CORPORATION
    Inventors: Hiroshi Kitamoto, Akihiro Takeuchi, Riku Nagayama, Chishin Yohena, Toshiki Kumeno, Nobuaki Ikehara, Nobuyuki Togashi, Goro Tsuji, Toshihiro Ishikawa