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USPTO Data Jan 1 1976 - Sep 29 2026
69 Patents
#152 in Osaka
#1,416 in Japan
#10,751 in the World
Itoki Corporation
Forward Citations = 1,273
46 inventors:
Itoki Corporation
% Expired Patents = 10.1
EPO Patents = 3
Trademarks = 2
Forward Citations = 1,273
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46 inventors (with patents filed for the assignee):
Yasuhiro Nakamura (21 out of 87 patents)
Eric Chan (10 out of 44 patents)
Hiroto Usumoto (10 out of 10 patents)
4. Koki Sato (7 out of 7 patents)
5. Minoru Hashimoto (5 out of 5 patents)
6. Yoshihisa Konishi (5 out of 6 patents)
7. Haruhiro Ezure (5 out of 5 patents)
8. Peter Horn (4 out of 5 patents)
9. Tomoki Jonoshita (4 out of 4 patents)
10. Shogo Minauchi (4 out of 4 patents)
11. Takayuki Kumazawa (4 out of 4 patents)
12. Shinji Inoue (3 out of 80 patents)
13. Armin Sander (3 out of 29 patents)
14. Naoki Terada (3 out of 21 patents)
15. Kohei Wada (3 out of 33 patents)
Core Competencies:
Sound Absorption
Folding Chair
Office Chair
Backrest
Rocking Chair
Nestable Chair
Writing Board
Support Mechanism
Chair Back Frame
Desk
Table
69 patents:
Itoki Corporation, headquartered in Osaka, Japan, specializes in innovative furniture design, focusing on enhancing workplace environments. The company develops a diverse range of products, including office chairs, folding chairs, and nestable chairs, all designed with ergonomics and functionality in mind. Itoki's expertise extends to sound absorption technologies and support mechanisms, ensuring that their furniture not only meets aesthetic demands but also contributes to user comfort and productivity in various settings.
Profile summary based on public USPTO records.
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Please report any incorrect information to [email protected]
3 patents (EPO):
Please report any incorrect information to [email protected]