Forward Citations = 43

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3 inventors (with patents filed for the assignee):

Yoshio Suimon (4 out of 17 patents)

Tsuneo Hanzawa (1 out of 20 patents)

Rikihachiro Koizumi (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 5304088 - Drive apparatus for vehicle toy (1994-04-19),

2. 5281184 - Steering device for automotive vehicle toy (1994-01-25),

3. 5052972 - Drive device for toy automobile (1991-10-01),

4. 4857789 - Rotary-type electromagnetic actuator for toys (1989-08-15),

5. 4601674 - Toy motorcycle (1986-07-22),

Kabushiki Kaisha Hanzawa Corporation is a leading construction company based in Japan. With over 50 years of experience, we specialize in residential and commercial building projects, offering high-quality construction services to our clients. Our team of skilled professionals is committed to delivering innovative solutions and exceeding customer expectations. Visit our website to learn more about our past projects and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

5 Patents

#2,450 in Tokyo

#6,487 in Japan

Tokyo, Japan

Kabushiki Kaisha Hanzawa Corporation

Forward Citations = 43

3 inventors:

Yoshio Suimon (4 out of 17 patents)

Tsuneo Hanzawa (1 out of 20 patents)

Rikihachiro Koizumi (1 out of 1 patent)

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