Yoshiya Chounan

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Souka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Bicycle pedal
- Patent number D302668
- Issue date Aug 8, 1989
- Sakae Ringyo Co., Ltd.
- Yoshiya Chounan
- D12 - Transportation
Information Patent Grant
Bicycle pedal
- Patent number D299449
- Issue date Jan 17, 1989
- Sakae Ringyo Co., Ltd.
- Yoshiya Chounan
- D12 - Transportation
Information Patent Grant
Bicycle pedal
- Patent number D299450
- Issue date Jan 17, 1989
- Sakae Ringyo Co., Ltd.
- Yoshiya Chounan
- D12 - Transportation