Naomasa Tsuda

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Patents Grantslast 30 patents

Information Patent Grant
Closing device and closing method
- Patent number 7,854,156
- Issue date Dec 21, 2010
- Kayaba Industry Co., Ltd.
- Naomasa Tsuda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Groove processing apparatus and groove processing method
- Patent number 7,222,509
- Issue date May 29, 2007
- Kayaba Industry Co., Ltd.
- Naomasa Tsuda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Closing device and closing method
- Publication number 20080168819
- Publication date Jul 17, 2008
- Kayaba Industry Co., Ltd.
- Naomasa Tsuda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Closing device and closing method
- Publication number 20080034826
- Publication date Feb 14, 2008
- Kayaba Industry Co., Ltd.
- Naomasa Tsuda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Groove processing apparatus and groove processing method
- Publication number 20070051150
- Publication date Mar 8, 2007
- Naomasa Tsuda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...