For the Inventor, By the Inventor

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Hong Kong, China

Zima Products, Ltd.

USPTO Granted Patents = 2

Forward Citations = 17

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4 inventors (with patents filed for the assignee):

James S Lee (2 out of 28 patents)

Alfred T Lau (2 out of 5 patents)

Kwong-Wai Chow (2 out of 8 patents)

4. Ming-Ngar Chow (2 out of 4 patents)

2 patents: Sort by Forward Citations

1. 4575355 - Toy vehicle activated by moving body part (1986-03-11),

2. 4547174 - Inertia motors for toy vehicles (1985-10-15),

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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#1,156 in Hong Kong

#10,046 in China

Hong Kong, China

Zima Products, Ltd.

Forward Citations = 17

4 inventors:

James S Lee (2 out of 28 patents)

Alfred T Lau (2 out of 5 patents)

Kwong-Wai Chow (2 out of 8 patents)

4. Ming-Ngar Chow (2 out of 4 patents)

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