Inventor
YAMANAKA TOORU
JP13 patents
⚠️ This page may combine multiple inventors who share the name “YAMANAKA TOORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI PETROCHEMICAL IND
12 patentsUS5389287AFeb 14, 1995
Antiferroelectric liquid crystal composite material, process for preparing the same, and liquid crystal element using the same
MITSUI PETROCHEMICAL IND57 citations94
US5955209ASep 21, 1999
Thin-film electroluminescent device
MITSUI PETROCHEMICAL IND19 citations92
US4943651AJul 24, 1990
Novel substitued naphthalene compounds and liquid crystal compositions containing same
MITSUI PETROCHEMICAL IND15 citations81
US5356561AOct 18, 1994
Carboxylate compounds, liquid crystal compositions and liquid crystal elements containing said compounds and method of optical modulation using said elements
MITSUI PETROCHEMICAL IND10 citations72
US5352379AOct 4, 1994
Liquid crystal composition, liquid crystal element and process for the preparation of liquid crystal element
MITSUI PETROCHEMICAL IND16 citations72
US5246622ASep 21, 1993
Liquid crystal racemic mixture, liquid crystal composition and liquid crystal element, process for manufacturing liquid crystal element, and uses of liquid crystal element
MITSUI PETROCHEMICAL IND15 citations72
US5118586AJun 2, 1992
Photo-recording media and photo-recording method
MITSUI PETROCHEMICAL IND7 citations71
US5141668AAug 25, 1992
Naphthalene compound and liquid crystal composition containing the same
MITSUI PETROCHEMICAL IND5 citations62
US5053164AOct 1, 1991
Substituted naphthalene compounds and liquid crystal compositions containing same
MITSUI PETROCHEMICAL IND4 citations62
US5725798AMar 10, 1998
Carboxylate compounds, liquid crystal materials liquid crystal compositions and liquid crystal elements
MITSUI PETROCHEMICAL IND4 citations59
US5445888AAug 29, 1995
Hydrazine compound, process for the preparation of the same, and nonlinear optical organic material
MITSUI PETROCHEMICAL IND0 citations51
US5294366AMar 15, 1994
Carboxylate compounds, liquid crystal compositions containing said compounds and liquid crystal element
MITSUI PETROCHEMICAL IND1 citations49