Yasutsugu Yamada

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Sapporo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wood improver and a method of improving the quality of wood
- Patent number 4,619,700
- Issue date Oct 28, 1986
- Nippon Tensaiseito Kabushiki Kaisha
- Yasutsugu Yamada
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Wood improver and a method of improving the quality of wood
- Patent number 4,560,619
- Issue date Dec 24, 1985
- Nippon Tensaiseito Kabushiki Kaisha
- Yasutsugu Yamada
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...