Kotobuki Seating Company, Ltd.

Calculating rank

USPTO Granted Patents = 7

EPO Patents = 2

Trademarks = 4

Forward Citations = 57

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9 inventors (with patents filed for the assignee):

Toshihiko Suzuki (2 out of 25 patents)

Noriaki Aida (2 out of 2 patents)

Daizou Etou (2 out of 2 patents)

4. Shigenori Asakura (2 out of 6 patents)

5. Kosuke Wakao (2 out of 15 patents)

6. Gaku Negishi (2 out of 2 patents)

7. Ryokichi Yamazaki (1 out of 13 patents)

8. Makoto Sera (1 out of 1 patent)

9. Sera Makoto (1 out of 1 patent)

10. Akira Yoshimori (0 patent)

7 patents: Sort by Forward Citations

1. D1018112 - Capsule bed (2024-03-19),

2. D1003066 - Capsule bed (2023-10-31),

3. D1002252 - Capsule bed (2023-10-24),

4. D1002219 - Capsule bed (2023-10-24),

5. 5464273 - Seat construction (1995-11-07),

6. 5320411 - Flip-up seat construction (1994-06-14),

7. 4932718 - Coupled chair unit convertible to a chair mode and to a desk mode (1990-06-12),

Company Overview

Kotobuki Seating Company, Ltd. is a leading manufacturer of high-quality seating solutions for various industries including transportation, sports venues, and public facilities. With a strong commitment to innovation and customer satisfaction, Kotobuki Seating has built a reputation for excellence in design, comfort, and durability. With a diverse product range and a focus on sustainability, Kotobuki Seating continues to be a trusted partner for seating solutions worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

7 Patents

#2,290 in Tokyo

#5,462 in Japan

Tokyo, Japan

Kotobuki Seating Company, Ltd.

Forward Citations = 57

9 inventors:

Toshihiko Suzuki (2 out of 25 patents)

Noriaki Aida (2 out of 2 patents)

Daizou Etou (2 out of 2 patents)

4. Shigenori Asakura (2 out of 6 patents)

5. Kosuke Wakao (2 out of 15 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kotobuki Seating Company, Ltd.. Retrieved from https://idiyas.com/company/kotobuki-seating-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

2 patents (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]