Inventor
MATSUNAGA HIRONAO
JP21 patents
⚠️ This page may combine multiple inventors who share the name “MATSUNAGA HIRONAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORITZ CORP
20 patentsUSD847309SApr 30, 2019
Pipe adapter for water heater
NORITZ CORP23 citations93
USD823442SJul 17, 2018
Cap for pipe adapter for water heater
NORITZ CORP18 citations93
USD804623SDec 5, 2017
Water heater
NORITZ CORP16 citations91
US7458340B2Dec 2, 2008
Water heater
NORITZ CORP35 citations91
USD832409SOct 30, 2018
Pipe adapter for water heater
NORITZ CORP11 citations83
USD828524SSep 11, 2018
Packing for pipe adapter for water heater
NORITZ CORP12 citations83
USD812731SMar 13, 2018
Exhaust tube holding member
NORITZ CORP4 citations83
USD810902SFeb 20, 2018
Exhaust tube holding member
NORITZ CORP4 citations83
US10605454B2Mar 31, 2020
Exhaust structure for combustion apparatus
NORITZ CORP2 citations72
US10295181B2May 21, 2019
Exhaust connection structure and combustion apparatus with exhaust connection structure
NORITZ CORP2 citations72
USD845449SApr 9, 2019
Pipe adapter for water heater
NORITZ CORP1 citations72
USD816196SApr 24, 2018
Exhaust pipe for water heater
NORITZ CORP2 citations72
USD810901SFeb 20, 2018
Exhaust tube holding member
NORITZ CORP2 citations72
USD801494SOct 31, 2017
Exhaust tube holding member
NORITZ CORP2 citations72
US9341368B2May 17, 2016
Method of installing exhaust tube
NORITZ CORP3 citations72
US10571152B2Feb 25, 2020
Reverse combustion type combustion apparatus
NORITZ CORP3 citations71
US10605453B2Mar 31, 2020
Conduit and hot water supply system
NORITZ CORP1 citations61
USD822184SJul 3, 2018
Water heater
NORITZ CORP1 citations61
US10436442B2Oct 8, 2019
Exhaust tube holding member, exhaust structure for combustion apparatus, and method for installing exhaust structure for combustion apparatus
NORITZ CORP0 citations41
US9746204B2Aug 29, 2017
Water heater
NORITZ CORP0 citations40