Katsumasa Toyoda

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Ohgaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oil removing method for a pipe coil
- Patent number 5,784,803
- Issue date Jul 28, 1998
- Daidotokushuko Kabushikikaisha
- Katsumasa Toyoda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Oil removing apparatus and oil removing method for a pipe coil
- Patent number 5,603,167
- Issue date Feb 18, 1997
- Daidotokushuko Kabushikikaisha
- Katsumasa Toyoda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...