Hamana Iron Works Co., Ltd.

Follow

Organization

Osaka, JP

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for continuously producing tube having helical grooves in...
- Patent number 4,766,751
- Issue date Aug 30, 1988
- Hamana Iron Works Co., Ltd.
- Iwao Ueda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus for continuously producing tube having helical grooves in...
- Patent number 4,735,071
- Issue date Apr 5, 1988
- Hamana Iron Works Co., Ltd.
- Iwao Ueda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Double twisting machine
- Patent number 4,446,688
- Issue date May 8, 1984
- Hamana Iron Work Co., Ltd.
- Iwao Ueda
- D07 - ROPES CABLES OTHER THAN ELECTRIC