Inventor · disambiguated record
Toru Yakushiji
Also filed as: YAKUSHIJI TORU
36 granted patents·233 citations·filing 1997–1999
97Inventor score
Files withNEC CORP36
Top patents by PatentIndex Score
36 records- 0187US6039442AElectrostatic ink jet recording device having a stirring systemNEC CORP·Filed 1997·Granted Mar 21, 2000·57 cites·7 claims
- 0264US6135590AInk cartridge capable of preventing leak of inkNEC CORP·Filed 1998·Granted Oct 24, 2000·22 cites·21 claims
- 0360US6179418B1Electrostatic ink jet recording apparatus that adjusts the amount of heat based on the type of recording materialNEC CORP·Filed 1997·Granted Jan 30, 2001·18 cites·22 claims
- 0458US6076909AGap adjusting device for a print head used in an ink jet recording apparatus and gap adjusting methodNEC CORP·Filed 1998·Granted Jun 20, 2000·16 cites·17 claims
- 0553US6164760AToner quantity detection and replenishment system for an electrostatic ink jet recording apparatusNEC CORP·Filed 1997·Granted Dec 26, 2000·13 cites·19 claims
- 0648US6130691AInkjet recording apparatus having specific driving circuitry for driving electrophoresis electrodesNEC CORP·Filed 1997·Granted Oct 10, 2000·10 cites·32 claims
- 0747US6152557AElectrostatic ink jet recorderNEC CORP·Filed 1998·Granted Nov 28, 2000·9 cites·4 claims
- 0846US6172693B1Ink jet recording head having ink stirring electrodes for dispersing inkNEC CORP·Filed 1997·Granted Jan 9, 2001·9 cites·7 claims
- 0945US6389244B1Toner density sensor, and ink jet head, developing unit and image forming apparatus in which toner density sensor is usedNEC CORP·Filed 1999·Granted May 14, 2002·7 cites·19 claims
- 1044US5991559ASolute concentration control method and apparatusNEC CORP·Filed 1998·Granted Nov 23, 1999·6 cites·23 claims
- 1142US6224193B1Inkjet recording apparatus having gate electrodes and print head thereofNEC CORP·Filed 1997·Granted May 1, 2001·8 cites·19 claims
- 1240US6059399AInk-jet recording apparatus with improved ink density formationNEC CORP·Filed 1997·Granted May 9, 2000·6 cites·9 claims
- 1339US6142610APrecision ejection ink-jet printing apparatusNEC CORP·Filed 1998·Granted Nov 7, 2000·5 cites·10 claims
- 1439US6076918AMethod of manufacturing an electrostatic ink jet printing head with pointed ink ejectorsNEC CORP·Filed 1997·Granted Jun 20, 2000·5 cites·1 claims
- 1537US6161911AInk jet recording deviceNEC CORP·Filed 1997·Granted Dec 19, 2000·4 cites·12 claims
- 1636US6220696B1Simple electrostatic ink jet printing head having low costNEC CORP·Filed 1997·Granted Apr 24, 2001·4 cites·34 claims
- 1735US6412895B1Electrostatic ink jet printerNEC CORP·Filed 1998·Granted Jul 2, 2002·3 cites·8 claims
- 1835US6331046B1Electrostatic inkjet head having an ink drain for draining ink from a slitNEC CORP·Filed 1998·Granted Dec 18, 2001·4 cites·3 claims
- 1935US6208321B1Electrostatic ink jet recorder having ejection electrodes and auxiliary electrodes divided into groupsNEC CORP·Filed 1998·Granted Mar 27, 2001·3 cites·14 claims
- 2035US6089699AMethod and apparatus for controlling inkjet ejection electrodes by varying the electrodes potentialsNEC CORP·Filed 1997·Granted Jul 18, 2000·3 cites·35 claims
- 2135US6079817AElectrostatic ink-jet recording headNEC CORP·Filed 1998·Granted Jun 27, 2000·3 cites·30 claims
- 2235US6074044AElectrostatic ink jet recording head using control and recording electrodes for ejecting toner particlesNEC CORP·Filed 1997·Granted Jun 13, 2000·3 cites·5 claims
- 2335US5997133AInkjet recording apparatus having a minimum number of ejection electrode driving circuits and method for driving sameNEC CORP·Filed 1997·Granted Dec 7, 1999·3 cites·29 claims
- 2434US6213591B1Injet recording apparatusNEC CORP·Filed 1997·Granted Apr 10, 2001·3 cites·24 claims
- 2533US6170977B1Method and device for stirring a developing liquid stored in an image forming apparatusNEC CORP·Filed 1999·Granted Jan 9, 2001·2 cites·13 claims
- 2633US6119342AMethod of producing a record head for an electrostatic ink jet recorderNEC CORP·Filed 1997·Granted Sep 19, 2000·2 cites·3 claims
- 2732US6183065B1Control system for applying biasing and recording signals to recording electrodes of an electrostatic ink jet recording deviceNEC CORP·Filed 1998·Granted Feb 6, 2001·1 cites·7 claims
- 2832US6161922AElectrostatic ink-jet recording head having a head chip provided with groove and flange portionsNEC CORP·Filed 1998·Granted Dec 19, 2000·1 cites·8 claims
- 2932US6155672AApparatus and method for ink-jet printing using extending ink-ejecting bars and method of manufacturing of the apparatusNEC CORP·Filed 1997·Granted Dec 5, 2000·1 cites·30 claims
- 3032US6120122AInkjet recording apparatusNEC CORP·Filed 1997·Granted Sep 19, 2000·1 cites·32 claims
- 3131US6102522AElectrostatic ink jet recording apparatus and method of producing the sameNEC CORP·Filed 1997·Granted Aug 15, 2000·1 cites·20 claims
- 3230US6135588AElectrostatic ink-jet printing head having projections extending out of an ink chamberNEC CORP·Filed 1997·Granted Oct 24, 2000·0 cites·20 claims
- 3330US6113219AElectrostatic ink jet recording apparatus capable of realizing stable ejection of inkNEC CORP·Filed 1997·Granted Sep 5, 2000·0 cites·14 claims
- 3430US6095638AElastic ink jet printing head and method for manufacturing head block thereofNEC CORP·Filed 1997·Granted Aug 1, 2000·0 cites·17 claims
- 3529US6123416AInkjet apparatus and method for ejecting particulate matter from an ejection electrode using an electric fieldNEC CORP·Filed 1997·Granted Sep 26, 2000·0 cites·12 claims
- 3628US6190004B1Inkjet recording apparatusNEC CORP·Filed 1998·Granted Feb 20, 2001·0 cites·18 claims
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