Tsuneo Hanzawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sound producing toy
- Patent number 5,127,869
- Issue date Jul 7, 1992
- K. K. Hanzawa Corporation
- Tsuneo Hanzawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Drive device for toy automobile
- Patent number 5,052,972
- Issue date Oct 1, 1991
- Kabushiki Kaisha Hanzawa Corporation
- Yoshio Suimon
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Toy vehicle
- Patent number 4,767,376
- Issue date Aug 30, 1988
- Hanzawa Corporation
- Tsuneo Hanzawa
- A63 - SPORTS GAMES AMUSEMENTS