Inventor · disambiguated record
Ikutaroh Nagatsuka
Also filed as: NAGATSUKA IKUTAROH
32 granted patents·6 pending applications·292 citations·filing 1987–2009
97Inventor score
Top patents by PatentIndex Score
38 records- 0194US7920112B2Electronic paper system, image processing apparatus for electronic paper system storage medium storing image processing program, and image writing method using image processing apparatusFUJI XEROX CO LTD·Filed 2006·Granted Apr 5, 2011·20 cites·25 claims
- 0283US5752141ARotating type developing apparatusFUJI XEROX CO LTD·Filed 1997·Granted May 12, 1998·36 cites·15 claims
- 0383US5155000AToner composition containing TiO2 particlesFUJI XEROX CO LTD·Filed 1989·Granted Oct 13, 1992·24 cites·9 claims
- 0482US7793847B2Coin-shaped recording medium, recording medium processing deviceOMRON TATEISI ELECTRONICS CO·Filed 2005·Granted Sep 14, 2010·8 cites·11 claims
- 0573US6908036B2Display and record medium and information writerFUJI XEROX CO LTD·Filed 2003·Granted Jun 21, 2005·19 cites·16 claims
- 0672US7576760B2Multi-level optical writerFUJI XEROX CO LTD·Filed 2005·Granted Aug 18, 2009·2 cites·19 claims
- 0772US5106715AToner composition with polyethylene and inorganic external additiveFUJI XEROX CO LTD·Filed 1989·Granted Apr 21, 1992·17 cites·11 claims
- 0866US5439772AMagnetic toner and process for producing the sameFUJI XEROX CO LTD·Filed 1994·Granted Aug 8, 1995·14 cites·20 claims
- 0965US4929528ACoated carrier for developerFUJI XEROX CO LTD·Filed 1988·Granted May 29, 1990·11 cites·13 claims
- 1065US4791041AMagnetic carrier particles for electrophotographic developerFUJI XEROX CO LTD·Filed 1987·Granted Dec 13, 1988·13 cites·19 claims
- 1164US7857203B2System for writing information and method of writing informationFUJI XEROX CO LTD·Filed 2009·Granted Dec 28, 2010·0 cites·2 claims
- 1264US7578429B2System for writing information and method of writing informationFUJI XEROX CO LTD·Filed 2003·Granted Aug 25, 2009·4 cites·29 claims
- 1363US5176979AElectrophotographic toner having a surface treated silica particleFUJI XEROX CO LTD·Filed 1991·Granted Jan 5, 1993·13 cites·7 claims
- 1463US2005209980A1Delivery system and delivery methodFUJI XEROX CO LTD·Filed 2004·Application pending·0 cites
- 1560US5178984AElectrophotographic tonerFUJI XEROX CO LTD·Filed 1991·Granted Jan 12, 1993·12 cites·10 claims
- 1659US7455216B2Printed-matter issuing managing system, printed-matter verifying device and contents managing deviceFUJI XEROX CO LTD·Filed 2002·Granted Nov 25, 2008·5 cites·7 claims
- 1758US7533104B2Information management system and information management methodFUJI XEROX CO LTD·Filed 2004·Granted May 12, 2009·3 cites·13 claims
- 1858US5110703ACarrier for developerFUJI XEROX CO LTD·Filed 1990·Granted May 5, 1992·11 cites·14 claims
- 1956US7924238B2Image forming apparatus with members that bring a light emitting device in proximity to a recording mediumFUJI XEROX CO LTD·Filed 2005·Granted Apr 12, 2011·1 cites·18 claims
- 2055US5629120AElectrostatic image developing carrier and electrostatic image developerFUJI XEROX CO LTD·Filed 1995·Granted May 13, 1997·11 cites·10 claims
- 2155US4868083ADeveloper carrier and process for producing the sameFUJI XEROX CO LTD·Filed 1987·Granted Sep 19, 1989·9 cites·38 claims
- 2253US7225403B2Display system with a display having a memory characteristic and a display having no memory characteristic, display method, and display programFUJI XEROX CO LTD·Filed 2003·Granted May 29, 2007·3 cites·11 claims
- 2353US4902597ACarrier for electrophotographic developerFUJI XEROX CO LTD·Filed 1988·Granted Feb 20, 1990·9 cites·4 claims
- 2452US4861694AProcess for producing carriers for developerFUJI XEROX CO LTD·Filed 1988·Granted Aug 29, 1989·8 cites·11 claims
- 2551US2007229393A1Display control device, computer, image display device, and image display systemFUJI XEROX CO LTD·Filed 2007·Application pending·0 cites
- 2649US8089647B2Information processing device and method, and data communication system for acquiring document data from electronic paperHOTTA HIROYUKI·Filed 2004·Granted Jan 3, 2012·8 cites·10 claims
- 2749US4859558AComposition with fatty acid bisamide powder developerFUJI XEROX CO LTD·Filed 1988·Granted Aug 22, 1989·7 cites·5 claims
- 2848US4965160AElectrophotographic developer carrier particles coated with binder resinFUJI XEROX CO LTD·Filed 1989·Granted Oct 23, 1990·7 cites·17 claims
- 2948US2005280627A1Image writing apparatus, connector and display record mediumFUJI XEROX CO LTD·Filed 2004·Application pending·0 cites
- 3047US2007211314A1Electronic paper system, log management apparatus, information processing apparatus, computer readable medium, method of image processing and computer data signalFUJI XEROX CO LTD·Filed 2006·Application pending·0 cites
- 3146US2004155833A1Display control device, computer, image display device, and image display systemFUJI XEROX CO LTD·Filed 2003·Application pending·0 cites
- 3244US2007061337A1Electronic paper system, control apparatus and method for electronic paper system, storage medium storing control programFUJI XEROX CO LTD·Filed 2006·Application pending·0 cites
- 3343US7219973B2Image-forming device and methodFUJI XEROX CO LTD·Filed 2003·Granted May 22, 2007·2 cites·22 claims
- 3440US4912004ACarrier for developerFUJI XEROX CO LTD·Filed 1988·Granted Mar 27, 1990·4 cites·16 claims
- 3539US4871639ACarrier for electrophotographic developerFUJI XEROX CO LTD·Filed 1987·Granted Oct 3, 1989·4 cites·10 claims
- 3638US5013626ACarrier of a magnetic powder dispersed typeFUJI XEROX CO LTD·Filed 1990·Granted May 7, 1991·4 cites·6 claims
- 3733US5059504ACarrier for developerFUJI XEROX CO LTD·Filed 1990·Granted Oct 22, 1991·3 cites·9 claims
- 3827US5963765AMethod and device for developing an electrostatic latent image based on toner amount and image formation system using the developing deviceFUJI XEROX CO LTD·Filed 1997·Granted Oct 5, 1999·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →