Kazunari Maeda

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of repairing defect and apparatus for repairing defect
- Patent number 6,035,526
- Issue date Mar 14, 2000
- NTN Corporation
- Masahiro Saruta
- G02 - OPTICS
Information Patent Grant
Laser processing device and laser processing method
- Patent number 5,171,963
- Issue date Dec 15, 1992
- NTN Corporation
- Masahiro Saruta
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
LUBRICANT DETERIORATION DETECTING DEVICE AND DETECTING DEVICE INCOR...
- Publication number 20100157304
- Publication date Jun 24, 2010
- NTN Corporation
- Toru Takahashi
- G01 - MEASURING TESTING