Rei Oikawa

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Isesaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing heat exchangers
- Patent number 5,930,894
- Issue date Aug 3, 1999
- Sanden Corporation
- Rei Oikawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Heat exchanger
- Patent number 5,806,587
- Issue date Sep 15, 1998
- Sanden Corporation
- Kenichi Sasaki
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat exchanger and method for manufacturing heat exchangers
- Patent number 5,718,285
- Issue date Feb 17, 1998
- Sanden Corporation
- Rei Oikawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Heat exchanger
- Patent number 5,590,710
- Issue date Jan 7, 1997
- Sanden Corporation
- Kenichi Sasaki
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat exchanger
- Patent number 5,540,278
- Issue date Jul 30, 1996
- Sanden Corporation
- Tomohiro Chiba
- F28 - HEAT EXCHANGE IN GENERAL