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Patent applications and USPTO patent grants for Hatagawa; Toyotsugu.The latest application filed is for "oven with an exhaust opening for collecting vapors to control material heating".
Patent | Date |
---|---|
Oven with an exhaust opening for collecting vapors to control material heating Grant 5,015,812 - Kasai , et al. May 14, 1 | 1991-05-14 |
Heating appliance with internal non-volatile memory Grant 4,686,356 - Ueda , et al. August 11, 1 | 1987-08-11 |
Microwave heater having a device for thawing frozen cakes Grant 4,499,356 - Hatagawa February 12, 1 | 1985-02-12 |
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