SY

Sigeaki Yokoyama

DC Dai Nippon Toryo Co.: 1 patents #73 of 196Top 40%
Overall (All Time): #4,085,791 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4256493 Jet ink composition Tsunehiko Toyoda, Noriaki Okamura 1981-03-17