1990-2002 – Panasonic Vacuum Cleaning Robot – (Japanese)
Matsushita Electric Industrial Co., Ltd., produces its first patent for a "Self-Running Cleaning Apparatus" in 1990. Publication number US5109566 A . Also published as US5284522 Publication date May 5, 1992 Filing date Jun 28, 1990 Inventors Osamu Eguchi, Yasumichi Kobayashi, Shinji Kondoh, Haruo Terai, Hidetaka Yabuuchi Original Assignee Matsushita Electric Industrial Co., Ltd. Brand names are …
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