HIROTOSHI HAYAKAWA

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Patents Grantslast 30 patents

Information Patent Grant
Marking method and marking material
- Patent number 6,709,720
- Issue date Mar 23, 2004
- Kabushiki Kaisha Yaskawa Denki
- Hirotoshi Hayakawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
MARKING METHOD AND MARKING MATERIAL
- Publication number 20030039765
- Publication date Feb 27, 2003
- HIROTOSHI HAYAKAWA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...