Inventor · disambiguated record
Koji Takagi
Also filed as: TAKAGI KOJI
42 granted patents·3 pending applications·1,972 citations·filing 1991–2017
98Inventor score
Top patents by PatentIndex Score
45 records- 0198US7321459B2Image display device and methodBRIDGESTONE CORP·Filed 2003·Granted Jan 22, 2008·471 cites·30 claims
- 0298US5355357ADisc player and disc loading deviceSONY CORP·Filed 1992·Granted Oct 11, 1994·224 cites·57 claims
- 0396US6121158AMethod for hardening a photoresist material formed on a substrateSONY CORP·Filed 1997·Granted Sep 19, 2000·494 cites·28 claims
- 0495US5315570AOptical disk reproducing apparatus which automatically determines the format type of the optical diskSONY CORP·Filed 1993·Granted May 24, 1994·92 cites·10 claims
- 0594US7907878B2Developing roller and imaging apparatus using the sameBRIDGESTONE CORP·Filed 2005·Granted Mar 15, 2011·26 cites·16 claims
- 0693US5434653ADeveloping roller and apparatusBRIDGESTONE CORP·Filed 1994·Granted Jul 18, 1995·52 cites·19 claims
- 0792US7912411B2Developing roller and imaging apparatus using the sameBRIDGESTONE CORP·Filed 2005·Granted Mar 22, 2011·23 cites·22 claims
- 0890US7341151B2Cushioning material and packing material for display module and transport method for display moduleNEC LCD TECHNOLOGIES LTD·Filed 2006·Granted Mar 11, 2008·22 cites·15 claims
- 0989US8376922B2Developing roller, charging roller, conductive roller and method for producing the sameBRIDGESTONE CORP·Filed 2005·Granted Feb 19, 2013·14 cites·3 claims
- 1089US7705823B2Image display unitBRIDGESTONE CORP·Filed 2003·Granted Apr 27, 2010·42 cites·10 claims
- 1188US7525719B2Particles and device for displaying imageBRIDGESTONE CORP·Filed 2002·Granted Apr 28, 2009·38 cites·13 claims
- 1287US7646530B2Particle and device for image displayBRIDGESTONE CORP·Filed 2003·Granted Jan 12, 2010·34 cites·8 claims
- 1387US5153082ANonaqueous electrolyte secondary batteryBRIDGESTONE CORP·Filed 1991·Granted Oct 6, 1992·89 cites·6 claims
- 1486US5363355ACD-ROM disc reproducing apparatus with clipping memorySONY CORP·Filed 1993·Granted Nov 8, 1994·38 cites·9 claims
- 1585US8292791B2Electrical conductive rollerAKAMA SHUYOU·Filed 2006·Granted Oct 23, 2012·10 cites·7 claims
- 1683US8342309B2Blind operating deviceNICHIBEI KK·Filed 2008·Granted Jan 1, 2013·12 cites·7 claims
- 1778US5565968ADeveloping roller, and method and apparatus for developing latent images using the rollerBRIDGESTONE CORP·Filed 1995·Granted Oct 15, 1996·28 cites·20 claims
- 1877US5502695AReproducing apparatus having a single microprocessor to perform data retrieval and disc reproduction controlSONY CORP·Filed 1993·Granted Mar 26, 1996·20 cites·3 claims
- 1975US8663748B2Method of producing a conductive roller utilizing a semi-curing stepAKAMA SHUYOU·Filed 2005·Granted Mar 4, 2014·6 cites·9 claims
- 2074US5697027ADeveloping roller employing an elastic layer between conductive shaft and outer conductive layer and developing apparatusBRIDGESTONE CORP·Filed 1996·Granted Dec 9, 1997·23 cites·10 claims
- 2173US6067434ADeveloping roller and developing apparatusBRIDGESTONE CORP·Filed 1998·Granted May 23, 2000·23 cites·20 claims
- 2271US7224510B2Reversible image display sheet and image displayBRIDGESTONE CORP·Filed 2002·Granted May 29, 2007·12 cites·6 claims
- 2370US6512911B2Toner carrier having a particular Z value, a particular creep value, or a particular universal hardnessBRIDGESTONE CORP·Filed 2001·Granted Jan 28, 2003·12 cites·20 claims
- 2470US5903808ADeveloping roller and developing apparatusBRIDGESTONE CORP·Filed 1996·Granted May 11, 1999·20 cites·18 claims
- 2567US5666626AApparatus for developing electrostatic latent images using developing roller having specific ionization potentialBRIDGESTONE CORP·Filed 1996·Granted Sep 9, 1997·18 cites·8 claims
- 2666US7591298B2On-failure blind stopper systemNICHIBEI KK·Filed 2006·Granted Sep 22, 2009·2 cites·5 claims
- 2764US8059330B2Particles for display medium and information display panel using sameTAKAGI KOJI·Filed 2006·Granted Nov 15, 2011·3 cites·23 claims
- 2862US6175709B1Toner support and image forming apparatusBRIDGESTONE CORP·Filed 2000·Granted Jan 16, 2001·8 cites·11 claims
- 2962US6108509AToner carrier and image-forming apparatusBRIDGESTONE CORP·Filed 1999·Granted Aug 22, 2000·14 cites·6 claims
- 3060US5784351ALoading apparatus for disk cartridgeSONY CORP·Filed 1996·Granted Jul 21, 1998·14 cites·9 claims
- 3159US6312792B1Electrically conductive member and image-forming apparatusBRIDGESTONE CORP·Filed 1999·Granted Nov 6, 2001·17 cites·16 claims
- 3258US7809315B2Transfer/transport conductive endless belt for a tandem system, method for producing same, and image forming apparatus employing sameBRIDGESTONE CORP·Filed 2005·Granted Oct 5, 2010·1 cites·14 claims
- 3356US6420012B1Toner carrier and image-forming apparatusBRIDGESTONE CORP·Filed 2000·Granted Jul 16, 2002·6 cites·16 claims
- 3453US5658180AMethod for aging a field emission cold cathodeNEC CORP·Filed 1996·Granted Aug 19, 1997·10 cites·4 claims
- 3552US5548509ARecording medium and information reading apparatusSONY CORP·Filed 1994·Granted Aug 20, 1996·24 cites·12 claims
- 3651US7377302B2BlindNICHIBEI KK·Filed 2004·Granted May 27, 2008·3 cites·12 claims
- 3749US5878313ADeveloping roller and apparatusBRIDGESTONE CORP·Filed 1997·Granted Mar 2, 1999·13 cites·15 claims
- 3848US5359580AMethod of using a single microprocessor to perform data retrieval and disc reproduction control in a disc reproducing apparatusSONY CORP·Filed 1993·Granted Oct 25, 1994·5 cites·4 claims
- 3945US10835887B2Process for producing water-absorbing resin particlesSUMITOMO SEIKA CHEMICALS·Filed 2017·Granted Nov 17, 2020·0 cites·5 claims
- 4041US5920541AData disc having both data and data retrieval information stored thereon and method for retrieving data recorded on the data discSONY CORP·Filed 1995·Granted Jul 6, 1999·6 cites·6 claims
- 4139US2005259068A1Image displayNIHEI NORIO·Filed 2002·Application pending·0 cites
- 4238US2006214906A1Image displayBRIDGESTONE CORP·Filed 2003·Application pending·0 cites
- 4336US5535184AReproducing apparatus having a single microprocessor to perform data retrieval disc reproduction controlSONY CORP·Filed 1995·Granted Jul 9, 1996·2 cites·6 claims
- 4436US2006209008A1Image display deviceBRIDGESTONE CORP·Filed 2003·Application pending·0 cites
- 4531US6058285AGloss and image forming apparatusBRIDGESTONE CORP·Filed 1997·Granted May 2, 2000·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →