Hirotsugu Hirano

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat exchange ventilator
- Patent number 9,222,695
- Issue date Dec 29, 2015
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Norihiko Hasegawa
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
HEAT EXCHANGE VENTILATOR
- Publication number 20110189937
- Publication date Aug 4, 2011
- PANASONIC CORPORATION
- Norihiko Hasegawa
- F28 - HEAT EXCHANGE IN GENERAL