HS

Hiroshi Sugiyama

TI Takasago International: 2 patents #3 of 40Top 8%
📍 Tokyo, WI: #1 of 2 inventorsTop 50%
Overall (1994): #31,651 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5290477 Optically active compound and liquid crystal composition containing the same Hitoshi Kondo, Mika Tadokoro, Toshimitsu Hagiwara, Takashi Imai, Mamoru Yamada +1 more 1994-03-01
5275756 Fluorine-containing optically active compound and liquid crystal composition containing the same Akio Yamaguchi, Shigeru Mitsuhashi, Mamoru Yamada, Minzo Sakaguchi, Hiroko Konuma +2 more 1994-01-04