Inventor
KUSUMOTO TADASHI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “KUSUMOTO TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IDEMITSU KOSAN CO
22 patentsUS5121029AJun 9, 1992
Electroluminescence device having an organic electroluminescent element
IDEMITSU KOSAN CO297 citations99
US5516577AMay 14, 1996
Organic electroluminescence device
IDEMITSU KOSAN CO134 citations98
US5503910AApr 2, 1996
Organic electroluminescence device
IDEMITSU KOSAN CO144 citations98
US5427858AJun 27, 1995
Organic electroluminescence device with a fluorine polymer layer
IDEMITSU KOSAN CO114 citations98
US5536949AJul 16, 1996
Charge injection auxiliary material and organic electroluminescence device containing the same
IDEMITSU KOSAN CO97 citations96
US5505985AApr 9, 1996
Process for producing an organic electroluminescence device
IDEMITSU KOSAN CO95 citations96
US5458977AOct 17, 1995
Electroluminescence device containing a thin film electrode
IDEMITSU KOSAN CO81 citations96
US5364654ANov 15, 1994
Process for production of a thin film electrode and an electroluminescence device
IDEMITSU KOSAN CO43 citations96
US5216331AJun 1, 1993
Organic electroluminescence element and light emitting device employing the element
IDEMITSU KOSAN CO56 citations96
US5142343AAug 25, 1992
Organic electroluminescence device with oligomers
IDEMITSU KOSAN CO69 citations96
US5837166ANov 17, 1998
Organic electroluminescence device and arylenediamine derivative
IDEMITSU KOSAN CO35 citations93
US5307363AApr 26, 1994
Organic optical gain device and method of exciting the same
IDEMITSU KOSAN CO34 citations93
US5705284AJan 6, 1998
Thin film electroluminescence device
IDEMITSU KOSAN CO23 citations92
US5466392ANov 14, 1995
Organic electroluminescence device and compound having an aluminum complex structure
IDEMITSU KOSAN CO46 citations92
US5443921AAug 22, 1995
Thin film electroluminescence device and process for production thereof
IDEMITSU KOSAN CO26 citations92
US5389444AFeb 14, 1995
Organic electroluminescence device
IDEMITSU KOSAN CO38 citations92
US5336546AAug 9, 1994
Organic electroluminescence device
IDEMITSU KOSAN CO33 citations92
US5500568AMar 19, 1996
Organic El device
IDEMITSU KOSAN CO9 citations74
US5358788AOct 25, 1994
Organic electroluminescence device containing a silanamine compound
IDEMITSU KOSAN CO14 citations74
US8039121B2Oct 18, 2011
Organic electroluminescence device
IDEMITSU KOSAN CO4 citations63
US7235312B2Jun 26, 2007
Aromatic compounds and organic electroluminescent devices made by using the same
IDEMITSU KOSAN CO2 citations63
US8377575B2Feb 19, 2013
Organic electroluminescence device
IDEMITSU KOSAN CO0 citations52