Hisashi Ukai

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Patents Grantslast 30 patents

Information Patent Grant
Method of cutting of metal materials and non-metal materials in a n...
- Patent number 6,200,198
- Issue date Mar 13, 2001
- Enshu Limited
- Hisashi Ukai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Nitrogen gas supply system for dry-cut working machine
- Patent number 6,135,862
- Issue date Oct 24, 2000
- Enshu Ltd.
- Hisashi Ukai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR