Inventor · disambiguated record
Tsuyoshi Itagoshi
Also filed as: ITAGOSHI TSUYOSHI
12 granted patents·2 pending applications·80 citations·filing 1998–2009
90Inventor score
Technology areasG03G
Top patents by PatentIndex Score
14 records- 0191US7566519B2Carrier for electrophotographic developer, and electrophotographic developer using the samePOWDERTECH CO LTD·Filed 2006·Granted Jul 28, 2009·14 cites·7 claims
- 0274US8628905B2Ferrite core material for resin-filled type carrier, resin-filled type carrier, and electrophotographic developer using the carrierKOBAYASHI HIROMICHI·Filed 2006·Granted Jan 14, 2014·5 cites·24 claims
- 0371US6544707B2Two component developing agent and an image forming apparatus by use of the sameFUJITSU LTD·Filed 2001·Granted Apr 8, 2003·12 cites·13 claims
- 0469US5976747AFerrite carrier for electrophotographic developer and electrophotographic developer containing the samePOWDERTECH CO LTD·Filed 1998·Granted Nov 2, 1999·19 cites·8 claims
- 0561US7553597B2Carrier core material, coated carrier, and two-component developing agent for electrophotographyPOWDERTECH CO LTD·Filed 2004·Granted Jun 30, 2009·8 cites·18 claims
- 0657US7183033B2Carrier core material, coated carrier, two-component developing agent for electrophotography, and image forming methodPOWDERTECH CO LTD·Filed 2004·Granted Feb 27, 2007·6 cites·13 claims
- 0754US6686113B2Carrier for electrophotographic developer and developer containing the samePOWDERTECH CO LTD·Filed 2002·Granted Feb 3, 2004·5 cites·9 claims
- 0849US6627369B2Carrier for electrophotographic developer and developer containing the samePOWDERTECH CO LTD·Filed 2002·Granted Sep 30, 2003·4 cites·12 claims
- 0944US7906265B2Ferrite carrier for electrophotographic developer, method for producing the same, and electrophotographic developerPOWDERTECH CO LTD·Filed 2007·Granted Mar 15, 2011·0 cites·6 claims
- 1042US2009170022A1Electrophotographic developer carrier and electrophotographic developer using the same carrierPOWDERTECH CO LTD·Filed 2008·Application pending·0 cites
- 1142US2009297974A1Carrier for an electrophotographic developer, and electrophotographic developer using the carrierPOWDERTECH CO LTD·Filed 2009·Application pending·0 cites
- 1241US5965317ARegeneration of carrier and electrophotographic developer containing regenerated carrierPOWDERTECH CO LTD·Filed 1999·Granted Oct 12, 1999·5 cites·6 claims
- 1340US7470497B2Two-component developer having a resin coated carrier for electrophotography and tonerPANASONIC CORP·Filed 2003·Granted Dec 30, 2008·2 cites·9 claims
- 1434US6905806B2Dry two-component type developer for electrophotographyPOWDERTECH CO LTD·Filed 2003·Granted Jun 14, 2005·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →