Hirohiko Watanabe

Person

Oyama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Heat exchanger
- Patent number 7,708,054
- Issue date May 4, 2010
- Showa Denko K.K.
- Hirohiko Watanabe
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Refrigeration system, and condenser for use in decompressing-tube s...
- Patent number 6,684,662
- Issue date Feb 3, 2004
- Showa Denko K.K.
- Hideaki Manaka
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Flat heat exchange tubes
- Patent number 6,446,715
- Issue date Sep 10, 2002
- Showa Aluminum Corporation
- Hirohiko Watanabe
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Condenser and air conditioning refrigeration system using the same
- Patent number 6,370,909
- Issue date Apr 16, 2002
- Showa Denko K.K.
- Hirohiko Watanabe
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Condenser and air conditioning refrigeration system and using same
- Patent number 6,250,103
- Issue date Jun 26, 2001
- Showa Denko K.K.
- Hirohiko Watanabe
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Refrigerant tube for a heat exchanger
- Patent number 6,247,529
- Issue date Jun 19, 2001
- Visteon Global Technologies, Inc.
- Fumio Shimizu
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Duplex heat exchanger
- Patent number 6,021,846
- Issue date Feb 8, 2000
- Showa Aluminum Corporation
- Hironaka Sasaki
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Duplex heat exchanger
- Patent number 5,743,328
- Issue date Apr 28, 1998
- Showa Aluminum Corporation
- Hironaka Sasaki
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Duplex heat exchanger
- Patent number 5,529,116
- Issue date Jun 25, 1996
- Showa Aluminum Corporation
- Hironaka Sasaki
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Heat exchanger
- Publication number 20070144721
- Publication date Jun 28, 2007
- Showa Denko K.K.
- Hirohiko Watanabe
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Refrigeration system, and condenser for use in decompressing-tube s...
- Publication number 20020148248
- Publication date Oct 17, 2002
- Showa Denko K.K.
- Hideaki Manaka
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Condenser and air conditioning refrigeration system using the same
- Publication number 20010035025
- Publication date Nov 1, 2001
- Showa Denko K.K.
- Hirohiko Watanabe
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Flat heat exchange tubes
- Publication number 20010006105
- Publication date Jul 5, 2001
- SHOWA ALUMINUM CORPORATION
- Hirohiko Watanabe
- F28 - HEAT EXCHANGE IN GENERAL

Hirohiko Watanabe

Person

Patents Grantslast 30 patents

Heat exchanger

Refrigeration system, and condenser for use in decompressing-tube s...

Flat heat exchange tubes

Condenser and air conditioning refrigeration system using the same

Condenser and air conditioning refrigeration system and using same

Refrigerant tube for a heat exchanger

Duplex heat exchanger

Duplex heat exchanger

Duplex heat exchanger

Patents Applicationslast 30 patents

Heat exchanger

Refrigeration system, and condenser for use in decompressing-tube s...

Condenser and air conditioning refrigeration system using the same

Flat heat exchange tubes