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Patent applications and USPTO patent grants for Shiotsu; Naoya.The latest application filed is for "water heating device".
Patent | Date |
---|---|
Heat exchanger and water heating apparatus Grant 11,454,421 - Shiotsu September 27, 2 | 2022-09-27 |
Water heating device Grant 11,441,814 - Shiotsu , et al. September 13, 2 | 2022-09-13 |
Water Heating Device App 20210325084 - SHIOTSU; Naoya ;   et al. | 2021-10-21 |
Heat Exchanger And Water Heating Apparatus App 20210190374 - SHIOTSU; Naoya | 2021-06-24 |
Heat exchange device and heat source machine Grant 10,890,356 - Shiotsu , et al. January 12, 2 | 2021-01-12 |
Heat Exchange Device And Heat Source Machine App 20190226719 - Shiotsu; Naoya ;   et al. | 2019-07-25 |
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