Yamamoto Seisakusho Co., Ltd.

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Steel plate sprocket and method of producing same
- Patent number 7,634,857
- Issue date Dec 22, 2009
- Tsubakimoto Chain Co.
- Takashi Ueki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Wave-processing method and wave-processing die for core metal of we...
- Patent number 6,948,350
- Issue date Sep 27, 2005
- Aisin Kako Kabushiki Kaisha
- Hideo Ono
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Steel plate sprocket and method of producing same
- Publication number 20080014036
- Publication date Jan 17, 2008
- Tsubakimoto Chain Co.
- Takashi Ueki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Trademarklast 30 trademarks