Inventor
DOI ISAO
JP54 patents
⚠️ This page may combine multiple inventors who share the name “DOI ISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINOLTA CAMERA KK
31 patentsUS5308727AMay 3, 1994
Photosensitive member excellent in antioxidation
MINOLTA CAMERA KK21 citations93
US5242776ASep 7, 1993
Organic photosensitive member having fine irregularities on its surface
MINOLTA CAMERA KK36 citations93
US4965156AOct 23, 1990
Photosensitive member having an overcoat layer and process for manufacturing the same
MINOLTA CAMERA KK28 citations93
US4659639AApr 21, 1987
Photosensitive member with an amorphous silicon-containing insulating layer
MINOLTA CAMERA KK28 citations93
US4882256ANov 21, 1989
Photosensitive member having an overcoat layer comprising amorphous carbon
MINOLTA CAMERA KK43 citations92
US5242773ASep 7, 1993
Photosensitive member having fine cracks in surface protective layer
MINOLTA CAMERA KK18 citations82
US5396317AMar 7, 1995
Magnetic particle-containing member for use in copying machine
MINOLTA CAMERA KK9 citations74
US5330873AJul 19, 1994
Production method of photosensitive member by eliminating outermost surface portion of photosensitive layer
MINOLTA CAMERA KK8 citations74
US5139906AAug 18, 1992
Photosensitive medium with a protective layer of amorphous hydrocarbon having an absorption coefficient greater than 10,000 cm-1
MINOLTA CAMERA KK11 citations74
US5138381AAug 11, 1992
Image forming apparatus equipped with separating pawl with specified surface roughness
MINOLTA CAMERA KK14 citations74
US5125644AJun 30, 1992
Separating device for sheet-like member including separating pawl coated with amorphous carbon layer
MINOLTA CAMERA KK10 citations74
US5096793AMar 17, 1992
Photosensitive member excellent in antioxidation
MINOLTA CAMERA KK14 citations74
US5082756AJan 21, 1992
Photosensitive member for retaining electrostatic latent images
MINOLTA CAMERA KK18 citations74
US4994337AFeb 19, 1991
Photosensitive member having an overcoat layer
MINOLTA CAMERA KK9 citations74
US4971880ANov 20, 1990
Developer containing halogenated amorphous carbon particles prepared by plasma-polymerization
MINOLTA CAMERA KK16 citations74
US4801515AJan 31, 1989
Photosensitive member having an overcoat layer
MINOLTA CAMERA KK10 citations74
US4686164AAug 11, 1987
Electrophotosensitive member with multiple layers of amorphous silicon
MINOLTA CAMERA KK9 citations74
US4683184AJul 28, 1987
Electrophotosensitive member having alternating amorphous semiconductor layers
MINOLTA CAMERA KK10 citations74
US4683185AJul 28, 1987
Electrophotosensitive member having a depletion layer
MINOLTA CAMERA KK10 citations74
US4886724ADec 12, 1989
Photosensitive member having an overcoat layer and process for manufacturing the same
MINOLTA CAMERA KK9 citations73
US4847653AJul 11, 1989
Triboelectrically charging member
MINOLTA CAMERA KK13 citations69
US4891292AJan 2, 1990
Photosensitive member having an amorphous carbon overcoat layer
MINOLTA CAMERA KK6 citations63
US4863821ASep 5, 1989
Photosensitive member comprising charge generating layer and charge transporting layer having amorphous carbon
MINOLTA CAMERA KK5 citations63
US4810606AMar 7, 1989
Photosensitive member comprising charge generating layer and charge transporting layer
MINOLTA CAMERA KK4 citations63
US4698287AOct 6, 1987
Photosensitive member having an amorphous silicon layer
MINOLTA CAMERA KK5 citations63
US4851313AJul 25, 1989
Photosensitive member comprising charge generating layer and charge transporting layer and process for preparing same
MINOLTA CAMERA KK2 citations62
US5536610AJul 16, 1996
Photosensitive member having surface protective layer with specified optical properties
MINOLTA CAMERA KK6 citations60
US5232799AAug 3, 1993
Organic photosensitive member comprising a binder resin and a solvent
MINOLTA CAMERA KK0 citations52
US5198317AMar 30, 1993
Organic photosensitive member comprising a charge transport layer with a binder resin and a solvent
MINOLTA CAMERA KK1 citations52
US4681825AJul 21, 1987
Electrophotosensitive member having an amorphous silicon-germanium layer
MINOLTA CAMERA KK0 citations52
US4876168AOct 24, 1989
Photosensitive member comprising charge generating layer and charge transporting layer comprising amorphous carbon containing chalogen or transition metal
MINOLTA CAMERA KK1 citations51
MINOLTA CO LTD
14 patentsUS5652649AJul 29, 1997
Charging device and image forming apparatus
MINOLTA CO LTD27 citations92
US6124965ASep 26, 2000
Optical element and light shutter device using the same
MINOLTA CO LTD10 citations74
US5930565AJul 27, 1999
Image forming apparatus
MINOLTA CO LTD9 citations73
US5881343AMar 9, 1999
Charging method and charging device
MINOLTA CO LTD15 citations73
US5572294ANov 5, 1996
Contact charger and image forming apparatus provided with same
MINOLTA CO LTD7 citations73
US5557375ASep 17, 1996
Contact type charging device and image forming apparatus having the same
MINOLTA CO LTD12 citations73
US6441941B2Aug 27, 2002
Light shutter device
MINOLTA CO LTD2 citations63
US6347894B1Feb 19, 2002
Light shutter device
MINOLTA CO LTD3 citations63
US5557372ASep 17, 1996
Contact charger and image forming apparatus provided with same
MINOLTA CO LTD3 citations63
US5862443AJan 19, 1999
Electrostatic recording apparatus having a floating electrode on a photoelectric transfer member
MINOLTA CO LTD5 citations62
US5860046AJan 12, 1999
Charging method and charging device
MINOLTA CO LTD2 citations62
US5790925AAug 4, 1998
Electrophotographic image forming apparatus with low ozone generation
MINOLTA CO LTD2 citations62
US5774169AJun 30, 1998
Image forming apparatus
MINOLTA CO LTD5 citations62
US6661555B2Dec 9, 2003
Light shutter device
MINOLTA CO LTD1 citations51
SANYO ELECTRIC CO
1 patentNISSAN MOTOR
1 patentKONICA MINOLTA HOLDINGS INC
1 patentDOI ISAO
1 patentYANATA ATSURO
1 patentShowing the top 50 of 54 patents by PatentIndex Score.