Inventor
MINEMOTO HITOSHI
JP47 patents
Patents
47 patentsUS6039442AMar 21, 2000
Electrostatic ink jet recording device having a stirring system
NEC CORP57 citations96
US6135590AOct 24, 2000
Ink cartridge capable of preventing leak of ink
NEC CORP22 citations92
US6179418B1Jan 30, 2001
Electrostatic ink jet recording apparatus that adjusts the amount of heat based on the type of recording material
NEC CORP18 citations84
US6076909AJun 20, 2000
Gap adjusting device for a print head used in an ink jet recording apparatus and gap adjusting method
NEC CORP16 citations84
US6172693B1Jan 9, 2001
Ink jet recording head having ink stirring electrodes for dispersing ink
NEC CORP9 citations74
US6164760ADec 26, 2000
Toner quantity detection and replenishment system for an electrostatic ink jet recording apparatus
NEC CORP13 citations74
US6152557ANov 28, 2000
Electrostatic ink jet recorder
NEC CORP9 citations74
US6130691AOct 10, 2000
Inkjet recording apparatus having specific driving circuitry for driving electrophoresis electrodes
NEC CORP10 citations74
US5905510AMay 18, 1999
Toner content monitoring system for use in a recording head for ink-jet printer
NEC CORP11 citations74
US5877790AMar 2, 1999
Electrostatic ink jet recording apparatus ejecting ink using different electric potentials applied to different electrodes
NEC CORP8 citations74
US5874972AFeb 23, 1999
Electrostatic ink jet record head having a control electrode for equalizing the electric field of an ink chamber an ink jet recorder using same
NEC CORP10 citations74
US5801730ASep 1, 1998
Ink jet print head having a projecting ejection electrode
NEC CORP11 citations74
US6022097AFeb 8, 2000
Ink-jet printer to use ink containing pigment particles
NEC CORP10 citations73
US5742412AApr 21, 1998
Ink jet type head for pigment type ink with different pulses applied to electrodes
NEC CORP9 citations73
US6224193B1May 1, 2001
Inkjet recording apparatus having gate electrodes and print head thereof
NEC CORP8 citations72
US6412895B1Jul 2, 2002
Electrostatic ink jet printer
NEC CORP3 citations63
US6362859B1Mar 26, 2002
Electrostatic ink jet recording head having electrophoretic electrode and gravity ink reservoir
NEC CORP5 citations63
US6220696B1Apr 24, 2001
Simple electrostatic ink jet printing head having low cost
NEC CORP4 citations63
US6220695B1Apr 24, 2001
Ink-jet recording device for suppressing excess electrophoretic accumulation of charged particles
NEC CORP2 citations63
US6213591B1Apr 10, 2001
Injet recording apparatus
NEC CORP3 citations63
US6208321B1Mar 27, 2001
Electrostatic ink jet recorder having ejection electrodes and auxiliary electrodes divided into groups
NEC CORP3 citations63
US6161911ADec 19, 2000
Ink jet recording device
NEC CORP4 citations63
US6142610ANov 7, 2000
Precision ejection ink-jet printing apparatus
NEC CORP5 citations63
US6119342ASep 19, 2000
Method of producing a record head for an electrostatic ink jet recorder
NEC CORP2 citations63
US6089699AJul 18, 2000
Method and apparatus for controlling inkjet ejection electrodes by varying the electrodes potentials
NEC CORP3 citations63
US6079817AJun 27, 2000
Electrostatic ink-jet recording head
NEC CORP3 citations63
US6076918AJun 20, 2000
Method of manufacturing an electrostatic ink jet printing head with pointed ink ejectors
NEC CORP5 citations63
US6074044AJun 13, 2000
Electrostatic ink jet recording head using control and recording electrodes for ejecting toner particles
NEC CORP3 citations63
US6059399AMay 9, 2000
Ink-jet recording apparatus with improved ink density formation
NEC CORP6 citations63
US5997133ADec 7, 1999
Inkjet recording apparatus having a minimum number of ejection electrode driving circuits and method for driving same
NEC CORP3 citations63
US5988795ANov 23, 1999
Electrostatic ink jet recording apparatus preventing precipitation of charged particulate material in ink liquid
NEC CORP4 citations63
US5975684ANov 2, 1999
Ink jet recording head having an ink stream path
NEC CORP5 citations63
US5926194AJul 20, 1999
Electrostatic ink jet recording device
NEC CORP6 citations63
US5754200AMay 19, 1998
Ink jet type head assembly
NEC CORP6 citations63
US5940098AAug 17, 1999
Ink-jet printer using ink containing pigment particles
NEC CORP4 citations62
US6331046B1Dec 18, 2001
Electrostatic inkjet head having an ink drain for draining ink from a slit
NEC CORP4 citations60
US6183065B1Feb 6, 2001
Control system for applying biasing and recording signals to recording electrodes of an electrostatic ink jet recording device
NEC CORP1 citations52
US6161922ADec 19, 2000
Electrostatic ink-jet recording head having a head chip provided with groove and flange portions
NEC CORP1 citations52
US6155672ADec 5, 2000
Apparatus and method for ink-jet printing using extending ink-ejecting bars and method of manufacturing of the apparatus
NEC CORP1 citations52
US6135588AOct 24, 2000
Electrostatic ink-jet printing head having projections extending out of an ink chamber
NEC CORP0 citations52
US6120122ASep 19, 2000
Inkjet recording apparatus
NEC CORP1 citations52
US6102522AAug 15, 2000
Electrostatic ink jet recording apparatus and method of producing the same
NEC CORP1 citations52
US6095638AAug 1, 2000
Elastic ink jet printing head and method for manufacturing head block thereof
NEC CORP0 citations52
US6190004B1Feb 20, 2001
Inkjet recording apparatus
NEC CORP0 citations51
US6123416ASep 26, 2000
Inkjet apparatus and method for ejecting particulate matter from an ejection electrode using an electric field
NEC CORP0 citations51
US6113219ASep 5, 2000
Electrostatic ink jet recording apparatus capable of realizing stable ejection of ink
NEC CORP0 citations42
US5963231AOct 5, 1999
Electrostatic ink jet recording head with grouped electrodes
NEC CORP0 citations42