Osamu Aoyagi

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Patents Grantslast 30 patents

Information Patent Grant
Heat exchanger
- Patent number 6,390,183
- Issue date May 21, 2002
- Matsushita Electric Industrial Co. Ltd.
- Osamu Aoyagi
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Finned heat exchanger
- Patent number 6,142,220
- Issue date Nov 7, 2000
- Matsushita Electric Industrial Co., Ltd.
- Hitoshi Motegi
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat exchanger tube for an air-conditioning apparatus
- Patent number 6,000,466
- Issue date Dec 14, 1999
- Matsushita Electric Industrial Co., Ltd.
- Osamu Aoyagi
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Fin-tube heat exchanger
- Patent number 5,207,270
- Issue date May 4, 1993
- Matsushita Electric Industrial Co., Ltd.
- Shoichi Yokoyama
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat exchanger
- Patent number 4,907,646
- Issue date Mar 13, 1990
- Matsushita Electric Industrial Co., Ltd.
- Osamu Aoyagi
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
HEAT EXCHANGER
- Publication number 20010003309
- Publication date Jun 14, 2001
- Stephen G. Adrian
- OSAMU AOYAGI
- F28 - HEAT EXCHANGE IN GENERAL