Patents Assigned to Itoki Corporation
  • Chair
    Patent number: 11559141
    Abstract: A chair includes, a seat, a backrest separated from the seat, and an upper support frame to which the backrest is attached at a position higher than the seat. In the chair, the upper support frame includes a left side portin and a right side portions both extending forward at left and right sides of the seated person and a rear portion that continuously and integrally connects the left side portion and the right side portion. The left side portion and the right side portion are connected to side support bodies arranged on left and right sides of the seat to be tiltable, and the backrest is connected to the upper support frame to be tiltable rearward.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: January 24, 2023
    Assignee: ITOKI CORPORATION
    Inventors: Yuki Takeya, Kensuke Takahashi, Ryogo Morita, Minoru Hashimoto
  • CHAIR
    Publication number: 20210059416
    Abstract: A chair includes, a seat, a backrest separated from the seat, and an upper support frame to which the backrest is attached at a position higher than the seat. In the chair, the upper support frame includes a left side portin and a right side portions both extending forward at left and right sides of the seated person and a rear portion that continuously and integrally connects the left side portion and the right side portion. The left side portion and the right side portion are connected to side support bodies arranged on left and right sides of the seat to be tiltable, and the backrest is connected to the upper support frame to be tiltable rearward.
    Type: Application
    Filed: August 20, 2020
    Publication date: March 4, 2021
    Applicant: ITOKI CORPORATION
    Inventors: Yuki TAKEYA, Kensuke TAKAHASHI, Ryogo MORITA, Minoru HASHIMOTO
  • Chair
    Patent number: D807673
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: January 16, 2018
    Assignee: ITOKI CORPORATION
    Inventors: Yasuhiro Nakamura, Koki Sato
  • Chair
    Patent number: D817679
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: May 15, 2018
    Assignee: ITOKI CORPORATION
    Inventors: Yasuhiro Nakamura, Koki Sato
  • Desk
    Patent number: D824195
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: July 31, 2018
    Assignee: ITOKI CORPORATION
    Inventors: Haruhiro Ezure, Tomoki Jonoshita, Shogo Minauchi
  • Table
    Patent number: D832003
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: October 30, 2018
    Assignee: ITOKI CORPORATION
    Inventors: Haruhiro Ezure, Tomoki Jonoshita, Shogo Minauchi
  • Desk
    Patent number: D832016
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: October 30, 2018
    Assignee: ITOKI CORPORATION
    Inventors: Haruhiro Ezure, Tomoki Jonoshita, Shogo Minauchi
  • Chair
    Patent number: D834844
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: December 4, 2018
    Assignee: ITOKI CORPORATION
    Inventors: Eric Chan, Yoshihisa Konishi, Yoko Okamoto
  • Chair
    Patent number: D835442
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: December 11, 2018
    Assignee: ITOKI CORPORATION
    Inventors: Eric Chan, Yoshihisa Konishi, Yoko Okamoto
  • Desk
    Patent number: D843136
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: March 19, 2019
    Assignee: ITOKI CORPORATION
    Inventors: Haruhiro Ezure, Tomoki Jonoshita, Shogo Minauchi
  • Chair
    Patent number: D914389
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: March 30, 2021
    Assignee: ITOKI CORPORATION
    Inventor: Fumie Shibata
  • Chair
    Patent number: D916540
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: April 20, 2021
    Assignee: ITOKI CORPORATION
    Inventors: Yoshihisa Konishi, Koki Sato
  • Chair
    Patent number: D922086
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: June 15, 2021
    Assignee: ITOKI CORPORATION
    Inventor: Koki Sato
  • Chair
    Patent number: D922787
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: June 22, 2021
    Assignee: ITOKI CORPORATION
    Inventor: Koki Sato
  • Chair
    Patent number: D922788
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: June 22, 2021
    Assignee: ITOKI CORPORATION
    Inventors: Mugi Yamamoto, Gen Matsuzaki, Kohei Wada
  • Chair
    Patent number: D924590
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: July 13, 2021
    Assignee: ITOKI CORPORATION
    Inventor: Fumie Shibata
  • Chair
    Patent number: D924591
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: July 13, 2021
    Assignee: ITOKI CORPORATION
    Inventor: Fumie Shibata
  • Chair
    Patent number: D973383
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: December 27, 2022
    Assignee: ITOKI CORPORATION
    Inventors: Yasuhiro Nakamura, Yuki Takeya
  • Folding chair
    Patent number: D976602
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: January 31, 2023
    Assignee: ITOKI CORPORATION
    Inventors: Yasuhiro Nakamura, Yuki Takeya
  • Panel for sound absorption
    Patent number: D1023354
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: April 16, 2024
    Assignees: Itoki Corporation, Pixie Dust Technologies Inc.
    Inventors: Haruhiro Ezure, Akihiro Yamanaka, Masaki Gomi