Toshio Ohnishi

Person

Aichi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for smoothing steel pipe seam portion
- Patent number 6,375,059
- Issue date Apr 23, 2002
- Kawasaki Steel Corporation
- Toshio Ohnishi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus and method for smoothing a welded seam of steel pipe
- Patent number 6,216,511
- Issue date Apr 17, 2001
- Kawasaki Steel Corporation
- Toshio Ohnishi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Pipe forming roll apparatus and method
- Patent number 6,216,940
- Issue date Apr 17, 2001
- Kawasaki Steel Corporation
- Koji Sugano
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Pipe forming roll apparatus and method
- Patent number 6,041,632
- Issue date Mar 28, 2000
- Kawasaki Steel Corporation
- Koji Sugano
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of preparing a steel pipe, an apparatus thereof and a steel...
- Patent number 6,006,789
- Issue date Dec 28, 1999
- Kawasaki Steel Corporation
- Takaaki Toyooka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of and apparatus for producing steel pipes
- Patent number 5,942,132
- Issue date Aug 24, 1999
- Kawasaki Steel Corporation
- Takaaki Toyooka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Tube with high dimensional accuracy, and method and device for manu...
- Publication number 20060218985
- Publication date Oct 5, 2006
- Kazuhito Kenmochi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Method for smoothing steel pipe seam portion
- Publication number 20010013533
- Publication date Aug 16, 2001
- Kawasaki Steel Corporation
- Toshio Ohnishi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Toshio Ohnishi

Person

Patents Grantslast 30 patents

Method for smoothing steel pipe seam portion

Apparatus and method for smoothing a welded seam of steel pipe

Pipe forming roll apparatus and method

Pipe forming roll apparatus and method

Method of preparing a steel pipe, an apparatus thereof and a steel...

Method of and apparatus for producing steel pipes

Patents Applicationslast 30 patents

Tube with high dimensional accuracy, and method and device for manu...

Method for smoothing steel pipe seam portion