Kai Shiraishi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Valve structure for engine exhaust system
- Patent number 6,736,160
- Issue date May 18, 2004
- Calsonic Kansei Corporation
- Tadashi Nagai
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Pressure sensible valve for exhaust muffler and method of assemblin...
- Patent number 6,637,449
- Issue date Oct 28, 2003
- Calsonic Kansei Corporation
- Tadashi Nagai
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Valve for a control muffler
- Patent number 6,581,721
- Issue date Jun 24, 2003
- Calsonic Kansei Corporation
- Tadashi Nagai
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Valve structure for engine exhaust system
- Publication number 20020104503
- Publication date Aug 8, 2002
- CALSONIC KANSEI CORPORATION
- Tadashi Nagai
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Valve for a control muffler
- Publication number 20020033303
- Publication date Mar 21, 2002
- CALSONIC KANSEI CORPORATION
- Tadashi Nagai
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Pressure sensible valve for exhaust muffler and method of assemblin...
- Publication number 20020029807
- Publication date Mar 14, 2002
- Tadashi Nagai
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC