Inventor · disambiguated record
Koichi Kuroyama
Also filed as: KUROYAMA KOICHI
6 granted patents·5 pending applications·13 citations·filing 2003–2017
75Inventor score
Technology areasG03G
Top patents by PatentIndex Score
11 records- 0182US9785073B2TonerTOSHIBA KK·Filed 2015·Granted Oct 10, 2017·2 cites·8 claims
- 0280US8260178B2Toner cartridge and image forming apparatusKUROYAMA KOICHI·Filed 2010·Granted Sep 4, 2012·5 cites·14 claims
- 0378US10078284B2TonerTOSHIBA KK·Filed 2017·Granted Sep 18, 2018·1 cites·7 claims
- 0450US6895192B2Image forming apparatus and developer replenishment control methodTOSHIBA TEC KK·Filed 2003·Granted May 17, 2005·5 cites·18 claims
- 0545US8486599B2Developer and image forming apparatusKUROYAMA KOICHI·Filed 2012·Granted Jul 16, 2013·0 cites·20 claims
- 0640US2008241725A1Toner for developing agent and method for producing the sameTOSHIBA KK·Filed 2008·Application pending·0 cites
- 0739US10197932B2TonerTOSHIBA KK·Filed 2015·Granted Feb 5, 2019·0 cites·8 claims
- 0839US2015185651A1Toner used for forming imageTOSHIBA TEC KK·Filed 2013·Application pending·0 cites
- 0933US2006204877A1Developing agentTOSHIBA TEC KK·Filed 2005·Application pending·0 cites
- 1033US2013095419A1Developer and image forming apparatusKUROYAMA KOICHI·Filed 2012·Application pending·0 cites
- 1130US2011281214A1Developing agentKUROYAMA KOICHI·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →