Patents by Inventor Naoya Niimura

Naoya Niimura 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).

  • Patent number: 11533998
    Abstract: A chair includes a leg 1, a seat 5 including a pressure receiving surface PS, a backrest 6, and a support mechanism SM. The seat 5 can move in the front-rear or left-right direction along a predetermined trajectory and to downwardly incline a tip side of the seat 5 in a movement direction in accordance with a movement of the seat 5 from a predetermined reference position (S). The support mechanism SM includes a return-force generation unit configured to generate, in accordance with an amount of movement, a return force in a direction in which the seat 5 moved from the reference position (S) in the front-rear or left-right direction is returned to the reference position (S), and movably supports the backrest 6 in the left-right direction together with a movement of the seat 5 in the left-right direction.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: December 27, 2022
    Assignees: KOKUYO CO., LTD., TAKANO CO., LTD.
    Inventors: Yojiro Kinoshita, Katsuaki Hayashi, Takao Sugano, Kenta Asano, Takayoshi Kanou, Kenta Shiozawa, Kensuke Nakamura, Kazuki Tsukadaira, Naoya Niimura
  • Publication number: 20220031073
    Abstract: A chair includes a leg 1, a seat 5 including a pressure receiving surface PS, a backrest 6, and a support mechanism SM. The seat 5 can move in the front-rear or left-right direction along a predetermined trajectory and to downwardly incline a tip side of the seat 5 in a movement direction in accordance with a movement of the seat 5 from a predetermined reference position (S). The support mechanism SM includes a return-force generation unit configured to generate, in accordance with an amount of movement, a return force in a direction in which the seat 5 moved from the reference position (S) in the front-rear or left-right direction is returned to the reference position (S), and movably supports the backrest 6 in the left-right direction together with a movement of the seat 5 in the left-right direction.
    Type: Application
    Filed: October 19, 2018
    Publication date: February 3, 2022
    Applicants: KOKUYO CO., LTD., TAKANO CO., LTD.
    Inventors: Yojiro Kinoshita, Katsuaki Hayashi, Takao Sugano, Kenta Asano, Takayoshi Kanou, Kenta Shiozawa, Kensuke Nakamura, Kazuki Tsukadaira, Naoya Niimura