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Masafumi Yokoyama

CC Citizen Watch Co.: 1 patents #14 of 105Top 15%
Overall (2004): #156,644 of 270,089Top 60%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6720986 Optical printer device that forms color images Sadao Masubuchi, Hideyuki Kawashima, Masaaki Matsunaga, Akira Shiota 2004-04-13