Tomotsugu Takahashi

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Device for correcting circumferential length of metal ring
- Patent number 6,854,310
- Issue date Feb 15, 2005
- Honda Giken Kogyo Kabushiki Kaisha
- Yuji Narusaki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cutting device for sheet metal drum
- Patent number 6,726,547
- Issue date Apr 27, 2004
- Honda Giken Kogyo Kabushiki Kaisha
- Yuji Narusaki
- B24 - GRINDING POLISHING
Information Patent Grant
Method of manufacturing laminated ring and apparatus for measuring...
- Patent number 6,318,140
- Issue date Nov 20, 2001
- Honda Giken Kogyo Kabushiki Kaisha
- Hiroaki Yamagishi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Device for correcting circumferential lenght of metal ring
- Publication number 20040065128
- Publication date Apr 8, 2004
- Yuji Narusaki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Cutting device for sheet metal drum
- Publication number 20030176154
- Publication date Sep 18, 2003
- Yuji Narusaki
- B24 - GRINDING POLISHING