Hirokazu Yaezawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Louver fin and corrugation cutter for forming louver fin
- Patent number 6,968,891
- Issue date Nov 29, 2005
- Calsonic Kansei Corporation
- Kenji Tochigi
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Feedback controlled tension applying system
- Patent number 6,968,254
- Issue date Nov 22, 2005
- Calsonic Kansei Corporation
- Kenji Tochigi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Temporary fixing structure for tubular bodies
- Patent number 6,708,730
- Issue date Mar 23, 2004
- Calsonic Kansei Corporation
- Hiroshi Chikuma
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Louver Fin and Corrugation Cutter
- Publication number 20080179048
- Publication date Jul 31, 2008
- CALSONIC KANSEI CORPORATION
- Hirokazu Yaezawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Corrugated fin feeding apparatus and feeding method
- Publication number 20060112540
- Publication date Jun 1, 2006
- Kenji Tochigi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Feedback controlled tension applying system
- Publication number 20040153194
- Publication date Aug 5, 2004
- Kenji Tochigi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Louver fin and corrugation cutter for forming louver fin
- Publication number 20040011516
- Publication date Jan 22, 2004
- CALSONIC KANSEI CORPORATION
- Kenji Tochigi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Temporary fixing structure for tubular bodies
- Publication number 20020134453
- Publication date Sep 26, 2002
- CALSONIC KANSEI CORPORATION
- Hiroshi Chikuma
- F28 - HEAT EXCHANGE IN GENERAL