Amada; Keiichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Amada; Keiichi.The latest application filed is for "heat exchanger, water heater and water tube".
- Amada; Keiichi - Hyogo JP
| Patent | Date |
|---|---|
| Heat exchanger, water heater and water tube Grant 8,347,826 - Amada January 8, 2 | 2013-01-08 |
| Heat Exchanger, Water Heater And Water Tube App 20090064945 - AMADA; Keiichi | 2009-03-12 |
| Water heater Grant 7,458,340 - Takeda , et al. December 2, 2 | 2008-12-02 |
| Water Heater App 20080006226 - Takeda; Nobuhiro ; et al. | 2008-01-10 |
| Heat exchanger, water heater and water tube App 20070289559 - Amada; Keiichi | 2007-12-20 |
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