KN

Koichi Numazawa

SK Showa Shell Sekiyu K.K.: 3 patents #12 of 82Top 15%
Overall (All Time): #1,641,491 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5837163 Liquid crystal compounds Noriko Yamakawa, Yoshiichi Suzuki, Ichiro Kawamura 1998-11-17
5207946 Liquid crystal compounds Noriko Yamakawa, Yoshiichi Suzuki, Ichiro Kawamura 1993-05-04
5171471 Dioxane liquid crystal compounds Yoshiichi Suzuki, Takashi Hagiwara 1992-12-15