Osaka
Japan
8
2025-07-17
The entities that hold a legal rights for patent applications filed by inventor MARUO Yuko:
Yuko MARUO from Osaka, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
WATER-SOFTENING DEVICE
#2 | 2024-10-17WATER SOFTENING DEVICE
#3 | 2024-01-04WATER SOFTENING DEVICE, RECYCLING METHOD FOR WATER SOFTENING DEVICE, AND METHOD FOR CLEANING WATER SOFTENING DEVICE
#4 | 2023-09-21WATER SOFTENING DEVICE AND REGENERATION METHOD THEREOF
#5 | 2018-03-15Liquid treatment method and apparatus
#6 | 2014-06-05Method for treating hexavalent chromium-containing aqueous solution
#7 | 2014-06-05Method for treating arsenic-containing aqueous solution
#8 | 2014-01-30Method for decomposing organic compound contained in aqueous solution
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