Masao Minagawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Coin-to-bank bill exchanging machine
- Patent number D371887
- Issue date Jul 16, 1996
- Kabushiki Kaisha Ace Denken
- Masao Minagawa
- D99 -
Information Patent Grant
Medal counter for counting medals used in game machine
- Patent number 5,530,730
- Issue date Jun 25, 1996
- Kabushiki Kaisha Ace Denken
- Takatoshi Takemoto
- G07 - CHECKING-DEVICES