Inventor
OHIGASHI TAKESHI
JP7 patents
Patents
7 patentsUS10890356B2Jan 12, 2021
Heat exchange device and heat source machine
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US11287158B2Mar 29, 2022
Heat exchanger and hot water apparatus
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US10948236B2Mar 16, 2021
Heat exchanger and water heater including same
NORITZ CORP2 citations72
US11293702B2Apr 5, 2022
Heat exchanger and hot water apparatus
NORITZ CORP4 citations71
US10794640B2Oct 6, 2020
Heat exchanger and water heater including same
NORITZ CORP4 citations71
US11624526B2Apr 11, 2023
Heat exchanger and water heating device including the same
NORITZ CORP3 citations69
US12313296B2May 27, 2025
Heat exchanger and water heater
NORITZ CORP0 citations48