Inventor
KAKUTA ATSUSHI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “KAKUTA ATSUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
18 patentsUS5554911ASep 10, 1996
Light-emitting elements
HITACHI LTD208 citations99
US5862286AJan 19, 1999
Optical memory device and optical circuit using optical memory device
HITACHI LTD52 citations96
US5559400ASep 24, 1996
Variable wavelength luminescent device and control method therefor
HITACHI LTD56 citations96
US5847506ADec 8, 1998
Organic light emitting device and substrate plate for it
HITACHI LTD80 citations94
US5682402AOct 28, 1997
Organic luminescent devices with a multiplex structure
HITACHI LTD44 citations93
US5322760AJun 21, 1994
Nonlinear optical element
HITACHI LTD24 citations90
US4933723AJun 12, 1990
Resin coated transfer guide for electrophotographic apparatus
HITACHI LTD11 citations74
US4619879AOct 28, 1986
Composite type photosensitive member having metal-free phthalocyanine in the charge generating layer and nonionic dye base in the charge transport layer
HITACHI LTD18 citations74
US4435492AMar 6, 1984
Complex type electrophotographic plate and electrophotographic method using the same
HITACHI LTD11 citations74
US4352876AOct 5, 1982
Complex type electrophotographic plate and electrophotographic method using the same
HITACHI LTD7 citations74
US4346157AAug 24, 1982
Complex type electrophotographic plate
HITACHI LTD15 citations74
US4507374AMar 26, 1985
Electrophotographic recording medium containing τ and η metal-free phthalocyanine
HITACHI LTD13 citations73
US4990418AFeb 5, 1991
Electrophotographic photoreceptor and method of producing the same
HITACHI LTD16 citations72
US4430404AFeb 7, 1984
Electrophotographic photosensitive material having thin amorphous silicon protective layer
HITACHI LTD8 citations72
US4405703ASep 20, 1983
Electrophotographic plate having an age-hardened aluminum substrate and process for producing the same
HITACHI LTD7 citations72
US5176854AJan 5, 1993
Non-linear optical device
HITACHI LTD7 citations71
US4565758AJan 21, 1986
Electrophotographic plate having a charge generating layer containing an organic pigment for charge generation
HITACHI LTD5 citations71
US4657834AApr 14, 1987
Electrophotographic plate having a charge generating layer containing an organic pigment for charge generation
HITACHI LTD2 citations60
HITACHI KOKI KK
5 patentsUS6354207B1Mar 12, 2002
Solid ink printing master plate and method for preparing the same
HITACHI KOKI KK28 citations92
US6283031B1Sep 4, 2001
Solid-ink printing original plate and a process for producing the same
HITACHI KOKI KK37 citations92
US6235098B1May 22, 2001
Hot-melt ink compositions for ink-jet printing
HITACHI KOKI KK30 citations92
US6173647B1Jan 16, 2001
Solid-ink printing original plate and a process for producing the same
HITACHI KOKI KK32 citations92
US6106602AAug 22, 2000
Hot-melt ink composition for ink jet recording
HITACHI KOKI KK26 citations92