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For the Inventor, By the Inventor

Tokyo, Japan

Kawada Co., Ltd.


USPTO Granted Patents = 27

Trademarks = 5

Forward Citations = 563

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11 inventors (with patents filed for the assignee):

goldMedal Yasushi Chatani (11 out of 11 patents)

silverMedal Tokuo Takahashi (8 out of 8 patents)

bronzeMedal Toshio Tsuchikura (5 out of 6 patents)

4.  Kiyohide Nakata (2 out of 2 patents)

5.  Tomoaki Kodama (1 out of 8 patents)

6.  Takeru Saigo (1 out of 1 patent)

7.  Shinichi Yanagida (1 out of 1 patent)

8.  Iwabuchi Keiji (1 out of 1 patent)

9.  Keiji Iwabuchi (1 out of 1 patent)

10.  Yuichi Tateyama (1 out of 1 patent)

11.  Yasusi Chatani (1 out of 1 patent)


Core Competencies:
Toy Block
Detachable Arrangement
Toy Vehicle
Track Segments
Interconnecting Fence
Articulated Doll
Construction Piece
Adaptor Block
Hinge Block
Angle Block
Rolling Toy
Axle Arrangement

27 patents:

1. 9849398 - Toy block (2017-12-26),
2. 5048704 - Detachable interconnecting arrangement (1991-09-17),
3. 4925424 - Toy vehicle and track with track mountable command segments (1990-05-15),
4. D296452 - Toy interconnecting road fence or the like (1988-06-28),
5. D295649 - Toy interconnecting wheel and axle block or the like (1988-05-10),
6. D295644 - Toy interconnecting chassis block or the like (1988-05-10),
7. 4643691 - Articulated doll arrangement (1987-02-17),
8. D286417 - Toy construction piece (1986-10-28),
9. D285813 - Toy interconnecting adaptor block or the like (1986-09-23),
10. D285222 - Toy interconnecting hinge block or the like (1986-08-19),
11. D285101 - Toy interconnecting angle block or the like (1986-08-12),
12. D282090 - Toy construction piece (1986-01-07),
13. D280650 - Activity toy (1985-09-17),
14. D280649 - Activity toy (1985-09-17),
15. D280648 - Activity toy (1985-09-17),
Company Overview
Kawada Co., Ltd., based in Tokyo, specializes in advanced robotics and automation technologies. The company focuses on developing innovative solutions for various industries, including manufacturing, healthcare, and logistics. With a strong emphasis on research and development, Kawada aims to enhance productivity and efficiency through its cutting-edge robotic systems and intelligent automation tools. The organization is committed to contributing to the evolution of technology in Japan and beyond, positioning itself as a leader in the robotics sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

27 Patents

#1,138 in Tokyo

#2,459 in Japan

#24,034 in the World

Tokyo, JP
Tokyo, Japan

Kawada Co., Ltd.

Forward Citations = 563

11 inventors:

goldMedal Yasushi Chatani (11 out of 11 patents)

silverMedal Tokuo Takahashi (8 out of 8 patents)

bronzeMedal Toshio Tsuchikura (5 out of 6 patents)

4.  Kiyohide Nakata (2 out of 2 patents)

5.  Tomoaki Kodama (1 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kawada Co., Ltd.. Retrieved from https://idiyas.com/company/kawada-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]
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