Shigeyoshi Takagi

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Fukuroi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Race groove machining system and method therefor
- Patent number 6,385,502
- Issue date May 7, 2002
- NTN Corporation
- Shigeyoshi Takagi
- G05 - CONTROLLING REGULATING
Information Patent Grant
Controller for cutting machine
- Patent number 5,247,452
- Issue date Sep 21, 1993
- NTN Corporation
- Tokio Ueda
- G05 - CONTROLLING REGULATING
Information Patent Grant
Tool abnormality detecting device
- Patent number 5,243,533
- Issue date Sep 7, 1993
- NTN Corporation
- Shigeyoshi Takagi
- G05 - CONTROLLING REGULATING