Kenji Akai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Airflow controlling device and method
- Patent number 8,734,575
- Issue date May 27, 2014
- Azbil Corporation
- Masato Tanaka
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
AIRFLOW CONTROLLING DEVICE AND METHOD
- Publication number 20120020831
- Publication date Jan 26, 2012
- Yamatake Corporation
- Masato Tanaka
- F24 - HEATING RANGES VENTILATING