Hirosaburo Hirano

Person

Tochigi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Refrigerant tubes for heat exchangers
- Patent number 5,931,226
- Issue date Aug 3, 1999
- Showa Aluminum Corporation
- Hirosaburo Hirano
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process for producing flat heat exchange tubes
- Patent number 5,784,776
- Issue date Jul 28, 1998
- Showa Aluminum Corporation
- Yoshihiro Saito
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of making refrigerant tubes for heat exchangers
- Patent number 5,749,144
- Issue date May 12, 1998
- Showa Aluminum Corporation
- Hirosaburo Hirano
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Refrigerant tubes for heat exchangers
- Patent number 5,730,215
- Issue date Mar 24, 1998
- Showa Aluminum Corporation
- Hirosaburo Hirano
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Refrigerant tubes for heat exchangers
- Patent number 5,638,897
- Issue date Jun 17, 1997
- Showa Aluminum Corporation
- Hirosaburo Hirano
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of making refrigerant tubes for heat exchangers
- Patent number 5,553,377
- Issue date Sep 10, 1996
- Showa Aluminum Corporation
- Hirosaburo Hirano
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Tube for heat exchangers and a method for manufacturing the tube
- Patent number 5,386,629
- Issue date Feb 7, 1995
- Showa Aluminum Kabushiki Kaisha
- Wataru Ouchi
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Tubular body having pipe joint member attached thereto with brazing...
- Patent number 5,280,971
- Issue date Jan 25, 1994
- Showa Aluminum Corporation
- Toshinori Tokutake
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Tubular body having pipe joint member attached thereto and method o...
- Patent number 5,228,727
- Issue date Jul 20, 1993
- Showa Aluminum Corporation
- Toshinori Tokutake
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Tube for heat exchangers and a method for manufacturing the tube
- Patent number 5,186,250
- Issue date Feb 16, 1993
- Showa Aluminum Kabushiki Kaisha
- Wataru Ouchi
- F28 - HEAT EXCHANGE IN GENERAL

Hirosaburo Hirano

Person

Patents Grantslast 30 patents

Refrigerant tubes for heat exchangers

Process for producing flat heat exchange tubes

Method of making refrigerant tubes for heat exchangers

Refrigerant tubes for heat exchangers

Refrigerant tubes for heat exchangers

Method of making refrigerant tubes for heat exchangers

Tube for heat exchangers and a method for manufacturing the tube

Tubular body having pipe joint member attached thereto with brazing...

Tubular body having pipe joint member attached thereto and method o...

Tube for heat exchangers and a method for manufacturing the tube