Inventor · disambiguated record
Junji Ishikawa
Also filed as: ISHIKAWA JUNJI
26 granted patents·1 pending application·224 citations·filing 1987–2021
95Inventor score
Top patents by PatentIndex Score
27 records- 0184US11693344B2Fixing belt unit and fixing deviceCANON KK·Filed 2021·Granted Jul 4, 2023·1 cites·9 claims
- 0283US7865097B2Image forming apparatus and control methodCANON KK·Filed 2008·Granted Jan 4, 2011·6 cites·4 claims
- 0381US7042591B1Image exposure apparatus and image forming apparatusCANON KK·Filed 2000·Granted May 9, 2006·19 cites·6 claims
- 0477US6498356B1LED chip, LED array chip, LED array head and image-forming apparatusCANON KK·Filed 2000·Granted Dec 24, 2002·26 cites·10 claims
- 0577US5248853ASemiconductor element-mounting printed boardNIPPON DENSO CO·Filed 1991·Granted Sep 28, 1993·57 cites·8 claims
- 0676US8068756B2Image forming apparatus and control methodISHIKAWA JUNJI·Filed 2010·Granted Nov 29, 2011·2 cites·6 claims
- 0775US9411279B2Image forming and fixing apparatuses having fixing and pressing rotating member and rectification elementCANON KK·Filed 2013·Granted Aug 9, 2016·2 cites·13 claims
- 0875US8023841B2Fixing controller and image forming apparatusCANON KK·Filed 2009·Granted Sep 20, 2011·4 cites·6 claims
- 0974US10423116B2Power supply apparatus and image forming apparatus having adjusted load powerCANON KK·Filed 2018·Granted Sep 24, 2019·1 cites·19 claims
- 1073US8515297B2Serial communication apparatus and image forming apparatus including the sameISHIKAWA JUNJI·Filed 2011·Granted Aug 20, 2013·2 cites·10 claims
- 1173US7158733B2Image forming apparatus which includes an image bearing body surface potential detection featureCANON KK·Filed 2005·Granted Jan 2, 2007·4 cites·7 claims
- 1272US10444677B2Image forming apparatus with fixing device, the image forming apparatus controlling supply of power to a heater by a driver based on an output of a temperature detectorCANON KK·Filed 2018·Granted Oct 15, 2019·1 cites·16 claims
- 1372US5039338AElectroless copper plating solution and process for formation of copper filmNIPPON DENSO CO·Filed 1989·Granted Aug 13, 1991·29 cites·13 claims
- 1466US10168655B2Image forming apparatus including electric storage portionCANON KK·Filed 2017·Granted Jan 1, 2019·1 cites·14 claims
- 1560US10698358B2Power supply apparatus and image forming apparatus having adjusted load powerCANON KK·Filed 2019·Granted Jun 30, 2020·0 cites·26 claims
- 1659US5965211AElectroless copper plating solution and process for formation of copper filmNIPPON DENSO CO·Filed 1991·Granted Oct 12, 1999·21 cites·5 claims
- 1758US8768192B2Fixing apparatus of induction heating type for fixing image formed on sheetCANON KK·Filed 2013·Granted Jul 1, 2014·0 cites·18 claims
- 1857US8461497B2Power supply circuitry for inductive heating element and capable of minimizing losses to switching elementISHIKAWA JUNJI·Filed 2009·Granted Jun 11, 2013·1 cites·6 claims
- 1953US7825357B2Power supply, image forming apparatus, and electric current supply methodCANON KK·Filed 2009·Granted Nov 2, 2010·0 cites·10 claims
- 2052US4935267AProcess for electrolessly plating copper and plating solution thereforNIPPON DENSO CO·Filed 1988·Granted Jun 19, 1990·14 cites·17 claims
- 2149US10852672B2Power supply device and image forming apparatusCANON KK·Filed 2019·Granted Dec 1, 2020·0 cites·19 claims
- 2248US7573007B2Power supply, image forming apparatus, and electric current supply methodCANON KK·Filed 2006·Granted Aug 11, 2009·0 cites·12 claims
- 2347US4812897ASemiconductor element sealing structureNIPPON DENSO CO·Filed 1987·Granted Mar 14, 1989·16 cites·14 claims
- 2444US4956014AElectroless copper plating solutionNIPPON DENSO CO·Filed 1989·Granted Sep 11, 1990·8 cites·10 claims
- 2544US2006267263A1Image forming apparatusCANON KK·Filed 2006·Application pending·0 cites
- 2640US4814009AElectroless copper plating solutionNIPPON DENSO CO·Filed 1987·Granted Mar 21, 1989·7 cites·14 claims
- 2730US4790876AChemical copper-blating bathNIPPON DENSO CO·Filed 1987·Granted Dec 13, 1988·2 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when Junji Ishikawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →