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KA

Kiyotsugu Arai

Overall (2018): #341,585 of 503,207Top 70%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10068585 Echo canceller device Eiji Misawa, Toshio Yagi, Yasumasa Shibata, Hiroyuki Toyozumi, Katsuaki Satoh 2018-09-04