Inventor
USUI MASAHIRO
JP21 patents
⚠️ This page may combine multiple inventors who share the name “USUI MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
8 patentsUS5298667AMar 29, 1994
Process for producing phenol and methyl ethyl ketone
SUMITOMO CHEMICAL CO38 citations90
US4727204AFeb 23, 1988
Process for preparing 5-ethylidene-2-norbornene with high quality
SUMITOMO CHEMICAL CO22 citations82
US4777309AOct 11, 1988
Continuous process for producing 5-vinyl-2-norbornene
SUMITOMO CHEMICAL CO15 citations73
US4359365ANov 16, 1982
Method of purification of β-phenylethyl alcohol
SUMITOMO CHEMICAL CO10 citations73
US5347062ASep 13, 1994
Process for preparing alkyl-substituted aromatic hydrocarbons
SUMITOMO CHEMICAL CO2 citations63
US5227559AJul 13, 1993
Process for preparing alkyl-subtituted aromatic hydrocarbons
SUMITOMO CHEMICAL CO4 citations63
US4206310AJun 3, 1980
Process for the preparation of esters
SUMITOMO CHEMICAL CO4 citations60
US4105673AAug 8, 1978
Process for the preparation of lactones
SUMITOMO CHEMICAL CO0 citations40
MITSUBISHI ELECTRIC CORP
7 patentsUS5142387AAug 25, 1992
Projection-type display device having light source means including a first and second concave mirrors
MITSUBISHI ELECTRIC CORP124 citations98
US5135300AAug 4, 1992
Projection color display apparatus
MITSUBISHI ELECTRIC CORP57 citations96
US5321789AJun 14, 1994
Projection display apparatus, and light guide tube/light valve for use in the same
MITSUBISHI ELECTRIC CORP33 citations92
US5123729AJun 23, 1992
Projection display device
MITSUBISHI ELECTRIC CORP28 citations92
US5691785ANov 25, 1997
Color projection type display apparatus having three liquid displays of same structure
MITSUBISHI ELECTRIC CORP16 citations82
US5570209AOct 29, 1996
Color projection type display apparatus having three liquid crystal displays of same structure
MITSUBISHI ELECTRIC CORP12 citations74
US5473391ADec 5, 1995
Convergence displacement correcting device for projection-type image display apparatus and method thereof
MITSUBISHI ELECTRIC CORP9 citations73