Inventor
SUGIMURA HIROSHI
JP39 patents
⚠️ This page may combine multiple inventors who share the name “SUGIMURA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
28 patentsUS5489496AFeb 6, 1996
Electrophotographic photoconductor and a method for forming the same
SHARP KK85 citations96
US6322940B1Nov 27, 2001
Electrophotographic photoreceptor and electrophotographic image forming process
SHARP KK47 citations92
US6143453ANov 7, 2000
Electro-photographic photoreceptor and image-forming apparatus using same
SHARP KK26 citations92
US5492786AFeb 20, 1996
Electrophotographic photoreceptor
SHARP KK20 citations92
US5391448AFeb 21, 1995
Electrophotographic photoconductor and a method for manufacturing the same
SHARP KK24 citations92
US5116706AMay 26, 1992
1,2,4,5-benzoylenebis(naphtho[1,8-de]pyrimidine) compounds and their use in photosensitive layers
SHARP KK12 citations72
US6150063ANov 21, 2000
Electrophotographic photoconductor and image formation method
SHARP KK11 citations71
US7449269B2Nov 11, 2008
Electrophotographic photoreceptor having defined mobility of electric charges in photosensitive layer and image forming device incorporating same
SHARP KK4 citations63
US5789126AAug 4, 1998
Electrophotographic photoconductor
SHARP KK4 citations63
US11657983B2May 23, 2023
Solar battery cell, solar battery, solar battery module, and solar battery array
SHARP KK0 citations62
US7625681B2Dec 1, 2009
Asymmetric bis-hydroxyenamine compound, electrophotographic photoreceptor and image forming apparatus
SHARP KK3 citations62
US6889020B2May 3, 2005
Vibration insulating member fitting method, vibration insulating member fitting device, vibration insulating member, vibration insulating member recovering method, and vibration insulating member recovering device
SHARP KK2 citations62
US6780553B2Aug 24, 2004
Electrophotographic photoreceptor and management system of the same
SHARP KK2 citations62
US6775497B2Aug 10, 2004
Electrophotographic photosensitive body with hollow base and filler element, electrophotographic apparatus using same
SHARP KK2 citations62
US11283034B2Mar 22, 2022
Hybrid particle, photoelectric conversion element, photosensitive body, and image forming apparatus
SHARP KK0 citations61
US6022655AFeb 8, 2000
Photoreceptor for electrophotography, bishydrazone compound and intermediate thereof, and method for producing bishydrazone compound and intermediate thereof
SHARP KK0 citations52
US5393636AFeb 28, 1995
Process for producing toner for the development of an electric image
SHARP KK1 citations52
US10886072B2Jan 5, 2021
Method for producing photoelectric conversion element
SHARP KK0 citations51
US4963451AOct 16, 1990
1,2,4,5-benzoylenebis(anthraquinone[1,2-d]imidazole) compounds and photosensitive members containing them
SHARP KK1 citations51
US4908457AMar 13, 1990
1,2,4,5-benzoylenebis(anthraquinone[1,2-d]imidazole) compounds
SHARP KK0 citations51
US4883733ANov 28, 1989
Electrophotographic printing process using photochromic compound
SHARP KK0 citations51
US9042786B2May 26, 2015
Rotation driving force transmitting member, photoreceptor drum, process cartridge, and image forming apparatus
SHARP KK0 citations49
US8367287B2Feb 5, 2013
Electrophotographic photoconductor, method of producing the same and image forming apparatus
SHARP KK0 citations41
US8343697B2Jan 1, 2013
Electrophotographic photoconductor and image forming apparatus provided with the same
SHARP KK0 citations41
US7754403B2Jul 13, 2010
Electrophotoconductor and image forming apparatus
SHARP KK0 citations41
US7985519B2Jul 26, 2011
Aromatic polycarbonate, electrophotographic photoreceptor, and image forming apparatus
SHARP KK0 citations40
US7803507B2Sep 28, 2010
Electrophotographic photoreceptor and image forming apparatus including the same
SHARP KK0 citations39
US10056555B2Aug 21, 2018
Photoelectric conversion element and method for manufacturing the same
SHARP KK0 citations38
TOPPAN PRINTING CO LTD
6 patentsUS7789733B2Sep 7, 2010
Method of manufacturing microneedle
TOPPAN PRINTING CO LTD22 citations92
US8876575B2Nov 4, 2014
Microneedle and method of manufacturing microneedle
TOPPAN PRINTING CO LTD5 citations84
US8377364B2Feb 19, 2013
Method of manufacturing microneedle
TOPPAN PRINTING CO LTD10 citations82
US9238384B2Jan 19, 2016
Method of manufacturing microneedle
TOPPAN PRINTING CO LTD4 citations71
US7181722B2Feb 20, 2007
Method of dividing circuit pattern, method of manufacturing stencil mask, stencil mask and method of exposure
TOPPAN PRINTING CO LTD3 citations61
US9533131B2Jan 3, 2017
Hollow needlelike object and method for manufacturing hollow needlelike object
TOPPAN PRINTING CO LTD1 citations52