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Panasonic (then under a different name), in Japan, 1986.
The wattage of a Panasonic bread maker such as the Panasonic SD-YD250 is 550 watts. One purchase the Panasonic bread maker for around $150 from Amazon.
How is Machine Bread stored?
Try going on Google or try Panasonic's home page.
Bread machine was created in 1986.