IK

Ichiro Kuwamura

SK Showa Shell Sekiyu K.K.: 1 patents #27 of 82Top 35%
Overall (All Time): #3,916,052 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4973738 Liquid crystal compounds having naphthalene nucleus Yoshiichi Suzuki, Takashi Hagiwara 1990-11-27