KO

Kazumasa Ohba

SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
TC Teikoku Chemical Industry Co.: 1 patents #6 of 31Top 20%
📍 Kasai, JP: #3,639 of 5,842 inventorsTop 65%
Overall (All Time): #3,917,963 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4980082 Ferroelectric SmC liquid crystal composition which comprises pyrimidinylphenyl ester compounds Hiroshi Nonoguchi, Masaaki Taguchi, Takamasa Harada 1990-12-25