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USPTO Data Jan 1 1976 - Dec 30 2025
69 Patents
#132 in Osaka
#1,382 in Japan
#10,346 in the World
Itoki Corporation
Forward Citations = 1,219
46 inventors:
Itoki Corporation
EPO Patents = 3
Trademarks = 2
Forward Citations = 1,219
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46 inventors (with patents filed for the assignee):
Yasuhiro Nakamura (21 out of 87 patents)
Eric Chan (10 out of 43 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
Nestable Chair
Rocking Chair
Chair Back Frame
Chair Backrest
Writing Board
Table Design
Desk Design
Furniture Innovation
Ergonomic Seating
69 patents:
Itoki Corporation is a leading Japanese furniture manufacturer with a strong focus on creating innovative and functional office furniture solutions. With over 100 years of history, Itoki is known for its high-quality products and commitment to sustainability. The company offers a wide range of office furniture designs to meet the diverse needs of modern workplaces.
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3 patents (EPO):
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