SN

Sadao Negayama

AC Aica Kogyo Co.: 1 patents #23 of 65Top 40%
📍 Tamba, JP: #3 of 5 inventorsTop 60%
Overall (All Time): #3,149,017 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8383689 Skin cosmetics comprising cocoon-shaped polymer fine particles Koichiro Tanaka, Shunsaku Tanaka, Naomi Ishii 2013-02-26