Inventor
HATAMA KENJI
JP14 patents
Patents
14 patentsUS9340962B2May 17, 2016
Operating device for flush water tank assembly
TOTO LTD6 citations71
US12497769B2Dec 16, 2025
Flush toilet apparatus
TOTO LTD1 citations62
US11421409B2Aug 23, 2022
Flush water tank apparatus and flush toilet apparatus provided with the same
TOTO LTD1 citations61
US11421410B2Aug 23, 2022
Flush water tank apparatus and flush toilet apparatus provided with the same
TOTO LTD1 citations61
US12037779B2Jul 16, 2024
Flush water tank apparatus and flush toilet apparatus provided with the same
TOTO LTD0 citations51
US9890527B2Feb 13, 2018
Operating device, flush water tank device, and flush toilet
TOTO LTD1 citations51
US11927004B2Mar 12, 2024
Flush water tank device and flush toilet apparatus provided with the same
TOTO LTD0 citations47
US12031311B2Jul 9, 2024
Flush water tank device and flush toilet apparatus provided with the same
TOTO LTD0 citations46
US12258744B2Mar 25, 2025
Flush water tank device and flush toilet apparatus provided with the same
TOTO LTD0 citations45
US10480167B2Nov 19, 2019
Flush water supply apparatus
TOTO LTD0 citations40
US10184237B2Jan 22, 2019
Discharge valve device, reservoir tank device, and flush toilet
TOTO LTD0 citations40
US10119260B2Nov 6, 2018
Discharge valve apparatus, flush water tank apparatus, and flush toilet
TOTO LTD0 citations40
US9926694B2Mar 27, 2018
Operating device for flush water tank assembly, flush water tank assembly, and flush toilet
TOTO LTD0 citations40
US9783971B2Oct 10, 2017
Discharge valve apparatus and one-piece flush toilet including same
TOTO LTD0 citations39