Inventor
IIJIMA MASAYUKI
JP73 patents
⚠️ This page may combine multiple inventors who share the name “IIJIMA MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAINIPPON PRINTING CO LTD
29 patentsUS5731116AMar 24, 1998
Electrostatic information recording medium and electrostatic information recording and reproducing method
DAINIPPON PRINTING CO LTD112 citations98
US5297132AMar 22, 1994
Draw type optical recording medium
DAINIPPON PRINTING CO LTD75 citations96
US5981123ANov 9, 1999
Electrostatic information recording medium and electrostatic information recording and reproducing method
DAINIPPON PRINTING CO LTD19 citations92
US5750238AMay 12, 1998
Electrostatic information recording medium
DAINIPPON PRINTING CO LTD27 citations92
US5739834AApr 14, 1998
Electrostatic charge information reproducing method
DAINIPPON PRINTING CO LTD17 citations92
US5721042AFeb 24, 1998
Electrostatic information recording medium
DAINIPPON PRINTING CO LTD32 citations92
US5718996AFeb 17, 1998
Electrostatic information recording medium and electrostatic information recording and reproducing method
DAINIPPON PRINTING CO LTD39 citations92
US5587264ADec 24, 1996
Electrostatic information recording medium and electrostatic information recording and reproducing method
DAINIPPON PRINTING CO LTD40 citations92
US5514504AMay 7, 1996
Information recording medium, and information recording a reproducing method
DAINIPPON PRINTING CO LTD22 citations92
US5477313ADec 19, 1995
Liquid development and transfer apparatus for electrostatic latent image
DAINIPPON PRINTING CO LTD21 citations92
US5439768AAug 8, 1995
Electrostatic information recording medium and electrostatic information recording and reproducing method
DAINIPPON PRINTING CO LTD29 citations92
US5607808AMar 4, 1997
Liquid toner, ink composition, and methods of producing the same
DAINIPPON PRINTING CO LTD29 citations91
US5547804AAug 20, 1996
Liquid toner, ink composition, and methods of producing the same
DAINIPPON PRINTING CO LTD42 citations91
US5683838ANov 4, 1997
Method of producing information recording medium
DAINIPPON PRINTING CO LTD15 citations82
US5516607AMay 14, 1996
Information recording medium and method of recording and reproducing electrostatic information
DAINIPPON PRINTING CO LTD14 citations82
US6141517AOct 31, 2000
Liquid development apparatus for developing electrostatic latent images using a plurality of electrodes
DAINIPPON PRINTING CO LTD6 citations74
US5571646ANov 5, 1996
Electrostatic information-recording media and process for recording and reproducing electrostatic information
DAINIPPON PRINTING CO LTD5 citations74
US5418096AMay 23, 1995
Information recording medium and method of recording and reproducing electrostatic information
DAINIPPON PRINTING CO LTD5 citations74
US5527589AJun 18, 1996
Electrostatic information recording medium
DAINIPPON PRINTING CO LTD7 citations73
US5298947AMar 29, 1994
Process for recording images on an electrostatic information recording medium with delayed disconnection of charge accumulation voltage
DAINIPPON PRINTING CO LTD8 citations73
US5672453ASep 30, 1997
Frost image recording medium and method of and apparatus for forming and reading frost image
DAINIPPON PRINTING CO LTD2 citations63
US5666614ASep 9, 1997
Liquid development apparatus for electrostatic latent image using a plurality of electrodes
DAINIPPON PRINTING CO LTD1 citations63
US5660958AAug 26, 1997
Information recording medium, and information recording and reproducing method
DAINIPPON PRINTING CO LTD4 citations63
US5658699AAug 19, 1997
Information recording medium and method of recording and reproducing electrostatic information
DAINIPPON PRINTING CO LTD3 citations63
US5492783AFeb 20, 1996
Electrostatic information-recording media and process for recording and reproducing electrostatic information
DAINIPPON PRINTING CO LTD4 citations63
US5378565AJan 3, 1995
Frost image recording medium and method of and apparatus for forming and reading frost image
DAINIPPON PRINTING CO LTD1 citations63
US5497179AMar 5, 1996
Charge carrier medium and reproduction of electrostatic latent image
DAINIPPON PRINTING CO LTD6 citations62
US5687001ANov 11, 1997
Halftone image ion printer
DAINIPPON PRINTING CO LTD3 citations60
US5541542AJul 30, 1996
Halftone image device and its driving circuit
DAINIPPON PRINTING CO LTD3 citations60
SANYO ELECTRIC CO
9 patentsUS7527085B2May 5, 2009
Electronic component cooling apparatus
SANYO ELECTRIC CO57 citations97
US7251137B2Jul 31, 2007
Electronic component cooling apparatus
SANYO ELECTRIC CO21 citations92
US6927979B2Aug 9, 2005
Heat-emitting element cooling apparatus
SANYO ELECTRIC CO29 citations92
USD501450SFeb 1, 2005
Electronic component cooling apparatus
SANYO ELECTRIC CO33 citations92
USD516526SMar 7, 2006
Electronic component cooling apparatus
SANYO ELECTRIC CO14 citations84
USD511326SNov 8, 2005
Electronic component cooling apparatus
SANYO ELECTRIC CO13 citations84
USD509483SSep 13, 2005
Heat sink
SANYO ELECTRIC CO14 citations84
USD537418SFeb 27, 2007
Heat sink
SANYO ELECTRIC CO7 citations74
US7170746B2Jan 30, 2007
Heat-emitting element cooling apparatus
SANYO ELECTRIC CO7 citations74
KONICA MINOLTA INC
8 patentsUS10384464B2Aug 20, 2019
Optical print head and image forming device
KONICA MINOLTA INC2 citations72
US10031437B2Jul 24, 2018
Light emitting device and image forming device
KONICA MINOLTA INC2 citations72
US10389904B2Aug 20, 2019
Image forming device, control method, and recording medium
KONICA MINOLTA INC1 citations62
US9358807B2Jun 7, 2016
Optical print head and image forming apparatus
KONICA MINOLTA INC2 citations62
US9076741B2Jul 7, 2015
Light-emitting element, image forming apparatus, image display apparatus and image reading apparatus
KONICA MINOLTA INC2 citations62
US10809643B2Oct 20, 2020
Optical scanning device and image forming device having the same
KONICA MINOLTA INC1 citations61
US9465313B2Oct 11, 2016
Optical print head and image forming apparatus
KONICA MINOLTA INC1 citations52
US9110399B2Aug 18, 2015
Optical writing device and image forming apparatus
KONICA MINOLTA INC0 citations52
ULVAC CORP
1 patentDIA NIPPON PRINTING CO LTD
1 patentMITSUBISHI METAL CORP
1 patentKONICA MINOLTA BUSINESS TECH
1 patentShowing the top 50 of 73 patents by PatentIndex Score.