Yuji Ogawa

Follow

Person

Handa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for cutting tube
- Patent number 6,038,950
- Issue date Mar 21, 2000
- Denso Corporation
- Yuji Ogawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Roll forming method for forming flat tube and roll forming apparatu...
- Patent number 5,875,668
- Issue date Mar 2, 1999
- Denso Corporation
- Hisashi Kobayashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Inner fin and manufacturing method of the same
- Patent number 5,560,424
- Issue date Oct 1, 1996
- Nippondenso Co., Ltd.
- Yuji Ogawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus and method for forming a heat exchanger inner fin having...
- Patent number 5,491,997
- Issue date Feb 20, 1996
- Nippondenso Co., Ltd.
- Yuji Ogawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of making a corrugated fin
- Patent number 5,295,303
- Issue date Mar 22, 1994
- Nippondenso Co., Ltd.
- Yuji Ogawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...