Inventor
YUI TOMOYUKI
JP48 patents
⚠️ This page may combine multiple inventors who share the name “YUI TOMOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI GAS CHEMICAL CO
45 patentsUS5534190AJul 9, 1996
Anti-ferroelectric liquid crystal composition and liquid crystal display
MITSUBISHI GAS CHEMICAL CO24 citations92
US4416606ANov 22, 1983
Apparatus for granulating sodium percarbonate
MITSUBISHI GAS CHEMICAL CO32 citations91
US5078477AJan 7, 1992
Ferroelectric liquid crystal cell
MITSUBISHI GAS CHEMICAL CO41 citations89
US5378396AJan 3, 1995
Liquid crystal compound and liquid crystal display device
MITSUBISHI GAS CHEMICAL CO19 citations82
US4409197AOct 11, 1983
Process for producing sodium percarbonate
MITSUBISHI GAS CHEMICAL CO24 citations79
US6001278ADec 14, 1999
Anti-ferroelectric liquid crystal composition
MITSUBISHI GAS CHEMICAL CO10 citations74
US5980780ANov 9, 1999
Racemic compound and anti-ferroelectric liquid crystal composition containing the compound
MITSUBISHI GAS CHEMICAL CO10 citations74
US5976409ANov 2, 1999
Swallow-tail-shaped liquid crystal compound
MITSUBISHI GAS CHEMICAL CO10 citations74
US5951914ASep 14, 1999
Racemic compound and anti-ferroelectric liquid crystal composition
MITSUBISHI GAS CHEMICAL CO10 citations74
US5938973AAug 17, 1999
Swallow-tailed compound and ferrielectric liquid crystal composition containing the same
MITSUBISHI GAS CHEMICAL CO13 citations74
US5374375ADec 20, 1994
Liquid crystal compound and liquid crystal display device
MITSUBISHI GAS CHEMICAL CO16 citations74
US5367391ANov 22, 1994
Method for driving an antiferroelectric liquid crystal cell
MITSUBISHI GAS CHEMICAL CO19 citations74
US5352382AOct 4, 1994
Liquid crystal composition
MITSUBISHI GAS CHEMICAL CO12 citations74
US5275757AJan 4, 1994
Liquid crystal compounds and liquid crystal display devices
MITSUBISHI GAS CHEMICAL CO8 citations74
US4769500ASep 6, 1988
Process for preparation of 2,3,5-trimethylhydroquinone
MITSUBISHI GAS CHEMICAL CO8 citations74
US6002042ADec 14, 1999
Liquid crystal compound
MITSUBISHI GAS CHEMICAL CO9 citations73
US5985172ANov 16, 1999
Racemic compound and anti-ferroelectric liquid crystal composition containing the compound
MITSUBISHI GAS CHEMICAL CO7 citations73
US5968413AOct 19, 1999
Anti-ferroelectric liquid crystal compounds
MITSUBISHI GAS CHEMICAL CO8 citations73
US5728864AMar 17, 1998
Liquid crystal compound having ferrielectric phase and liquid crystal composition
MITSUBISHI GAS CHEMICAL CO14 citations73
US5364560ANov 15, 1994
Liquid crystal compound and liquid crystal display device
MITSUBISHI GAS CHEMICAL CO7 citations73
US5264150ANov 23, 1993
Optically active alcohol, process for producing same and liquid crystal compound using same
MITSUBISHI GAS CHEMICAL CO6 citations73
US5723069AMar 3, 1998
Anti-ferroelectric liquid crystal compound and anti-ferroelectric liquid crystal composition
MITSUBISHI GAS CHEMICAL CO14 citations72
US5660762AAug 26, 1997
Two-rings-containing phenyl ester compound and anti-ferroelectric liquid crystal composition containing the same
MITSUBISHI GAS CHEMICAL CO8 citations72
US5972243AOct 26, 1999
Ferrielectric liquid crystal compound
MITSUBISHI GAS CHEMICAL CO8 citations71
US5340498AAug 23, 1994
Anti-ferroelectric liquid crystal and liquid crystal display device
MITSUBISHI GAS CHEMICAL CO7 citations71
US4024195AMay 17, 1977
Process for alkylating the ortho-position of phenol compounds
MITSUBISHI GAS CHEMICAL CO17 citations71
US4388287AJun 14, 1983
Process for producing sodium percarbonate
MITSUBISHI GAS CHEMICAL CO7 citations70
US6217954B1Apr 17, 2001
Phenyl triester compound and anti-ferroelectric liquid crystal composition containing the same
MITSUBISHI GAS CHEMICAL CO2 citations63
US6258296B1Jul 10, 2001
Fluorine-substituted compounds and ferrielectric liquid-crystal composition containing the same
MITSUBISHI GAS CHEMICAL CO2 citations62
US6239316B1May 29, 2001
Optically active secondary alcohol and process for the production thereof
MITSUBISHI GAS CHEMICAL CO4 citations62
US5840209ANov 24, 1998
Optically active compound, liquid crystal compositions containing the optically active compound, and liquid crystal display device
MITSUBISHI GAS CHEMICAL CO5 citations62
US5716544AFeb 10, 1998
Phenyl ester compound and liquid crystal composition containing the same
MITSUBISHI GAS CHEMICAL CO3 citations62
US6372308B1Apr 16, 2002
Liquid crystal composition
MITSUBISHI GAS CHEMICAL CO5 citations61
US6056892AMay 2, 2000
Method for purifying liquid crystal
MITSUBISHI GAS CHEMICAL CO5 citations60
US5587106ADec 24, 1996
Liquid crystal display devices and liquid crystal substances therefor
MITSUBISHI GAS CHEMICAL CO2 citations60
US4828762AMay 9, 1989
Process for the production of 2,3,5-trimethylbenzoquinone
MITSUBISHI GAS CHEMICAL CO4 citations60
US6197216B1Mar 6, 2001
Ferrielectric liquid crystal compound
MITSUBISHI GAS CHEMICAL CO1 citations52
US6197389B1Mar 6, 2001
Ferrielectric liquid crystal compound
MITSUBISHI GAS CHEMICAL CO0 citations52
US6133469AOct 17, 2000
Anti-ferroelectric liquid crystal compound
MITSUBISHI GAS CHEMICAL CO1 citations52
US6128065AOct 3, 2000
Ferrielectric liquid crystal compound
MITSUBISHI GAS CHEMICAL CO0 citations52
US5939586AAug 17, 1999
Process for the production of intermediate for liquid crystal compound
MITSUBISHI GAS CHEMICAL CO0 citations52
US5756816AMay 26, 1998
Process for the production of phenol derivatives
MITSUBISHI GAS CHEMICAL CO0 citations52
US6103517AAug 15, 2000
Process for the production of an optically active alcohol and a novel optically active alcohol
MITSUBISHI GAS CHEMICAL CO0 citations51
US5942646AAug 24, 1999
Optically active alcohol and process for the production thereof
MITSUBISHI GAS CHEMICAL CO1 citations51
US5482651AJan 9, 1996
Dioxane type liquid crystal substance
MITSUBISHI GAS CHEMICAL CO1 citations50