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Itoki Co., Ltd.

USPTO Granted Patents = 27

Forward Citations = 736

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23 inventors (with patents filed for the assignee):

Isao Hosoe (11 out of 25 patents)

Toru Nagao (5 out of 5 patents)

Yuji Ishi (5 out of 5 patents)

4. Noboru Inoue (3 out of 14 patents)

5. Hironaga Obata (3 out of 3 patents)

6. Tetsuya Kano (3 out of 3 patents)

7. Tamio Sakurai (2 out of 4 patents)

8. Shunichi Takamatsu (2 out of 6 patents)

9. Harumatsu Sato (2 out of 2 patents)

10. Koichiro Hayashi (2 out of 2 patents)

11. Hiroshi Ito (1 out of 2 patents)

12. Shigeki Tsuchida (1 out of 1 patent)

13. Motohiro Nakagawa (1 out of 1 patent)

14. Sabarou Sumi (1 out of 1 patent)

15. Yasuo Uematsu (1 out of 1 patent)

27 patents: Sort by Forward Citations

1. D515831 - Chair (2006-02-28),

2. D512251 - Desk (2005-12-06),

3. D510492 - Desk (2005-10-11),

4. 5475376 - Safety-deposit box system (1995-12-12),

5. D352853 - Table (1994-11-29),

6. D352852 - Table (1994-11-29),

7. D352851 - Table (1994-11-29),

8. D352409 - Table (1994-11-15),

9. D352408 - Table (1994-11-15),

10. D352194 - Table (1994-11-08),

11. 5338099 - Shell structure for use with a chair having synchronously moving seat (1994-08-16),

12. D348571 - Chair (1994-07-12),

13. 5314240 - Shell structure for use with a chair having synchronously moving seat (1994-05-24),

14. D346909 - Chair (1994-05-17),

15. 5238294 - Interlocking mechanism for supporting seat and seat back of chair (1993-08-24),

Itoki Co., Ltd. is a Japanese company specializing in office furniture and interior solutions. With over 70 years of experience, Itoki offers a wide range of products including desks, chairs, storage systems, and workstations. The company focuses on creating innovative and functional designs that enhance productivity and well-being in the workplace. Itoki values sustainability and craftsmanship, using high-quality materials and production processes to create durable and eco-friendly furniture solutions.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

27 Patents

#233 in Osaka

#2,405 in Japan

#23,316 in the World

Itoki Co., Ltd.

Forward Citations = 736

23 inventors:

Isao Hosoe (11 out of 25 patents)

Toru Nagao (5 out of 5 patents)

Yuji Ishi (5 out of 5 patents)

4. Noboru Inoue (3 out of 14 patents)

5. Hironaga Obata (3 out of 3 patents)

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