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Tomoe Usami
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Nagoya, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Water heater
Patent number
D1058780
Issue date
Jan 21, 2025
Rinnai Corporation
Tomoe Usami
D23 - Environmental heating and cooling
Information
Patent Grant
Water heater
Patent number
D1053999
Issue date
Dec 10, 2024
Rinnai Corporation
Eri Horii
D23 - Environmental heating and cooling
Information
Patent Grant
Water heater
Patent number
D957597
Issue date
Jul 12, 2022
Rinnai Corporation
Hiroaki Higashijima
D23 - Environmental heating and cooling
Information
Patent Grant
Water heater
Patent number
D941972
Issue date
Jan 25, 2022
Rinnai Corporation
Hiroaki Higashijima
D23 - Environmental heating and cooling
Information
Patent Grant
Remote control for water heater
Patent number
D832118
Issue date
Oct 30, 2018
Rinnai Corporation
Hiroaki Higashijima
D10 - Measuring, testing, or signalling instruments