Inventor
OOHIGASHI TAKESHI
JP14 patents
Patents
14 patentsUS10408549B2Sep 10, 2019
Heat exchanger, hot water apparatus, and method of manufacturing heat exchanger
NORITZ CORP10 citations83
US10393404B2Aug 27, 2019
Heat exchanger and hot water apparatus
NORITZ CORP10 citations82
US9829257B2Nov 28, 2017
Heat exchanger and water heater
NORITZ CORP7 citations82
USD917031SApr 20, 2021
Heat exchanger for water heater
NORITZ CORP1 citations72
USD916258SApr 13, 2021
Heat exchanger for water heater
NORITZ CORP1 citations72
USD916257SApr 13, 2021
Heat exchanger for water heater
NORITZ CORP2 citations72
US10094589B2Oct 9, 2018
Fin-and-tube type heat exchanger and water heater including the same
NORITZ CORP2 citations68
US10386092B2Aug 20, 2019
Water heater
NORITZ CORP3 citations67
US9829204B2Nov 28, 2017
Water heater including heat exchanger
NORITZ CORP6 citations67
USD904589SDec 8, 2020
Heat exchanger for water heater
NORITZ CORP1 citations62
US9404670B2Aug 2, 2016
Water heater
NORITZ CORP2 citations59
USD904587SDec 8, 2020
Heat exchanger for water heater
NORITZ CORP0 citations51
USD904588SDec 8, 2020
Heat exchanger for water heater
NORITZ CORP0 citations51
US10816222B2Oct 27, 2020
Hot water apparatus with flanged connections
NORITZ CORP0 citations38