Toranosuke Yamaura

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Yanagihara 1-chome, Adachi-ku, Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Grooved game board having magnetic surface projectile and puzzle ov...
- Patent number 5,112,052
- Issue date May 12, 1992
- Yonezawa Corporation
- Toranosuke Yamaura
- A63 - SPORTS GAMES AMUSEMENTS