Inventor · disambiguated record
Kouji Yasukawa
Also filed as: YASUKAWA KOUJI
17 granted patents·1 pending application·207 citations·filing 1998–2024
92Inventor score
Top patents by PatentIndex Score
18 records- 0194US7548708B2Power supply unit in image forming apparatusCANON KK·Filed 2006·Granted Jun 16, 2009·24 cites·12 claims
- 0286US7425789B2Power supply apparatus, and image forming apparatus having the sameCANON KK·Filed 2006·Granted Sep 16, 2008·9 cites·20 claims
- 0384US10928759B2Heating apparatus and image forming apparatus for controlling conduction to heat generation memberCANON KK·Filed 2020·Granted Feb 23, 2021·2 cites·16 claims
- 0484US8831444B2Color image forming apparatusSHIMURA MASARU·Filed 2012·Granted Sep 9, 2014·3 cites·19 claims
- 0582US7265479B2Power supply apparatus, and image forming apparatus having the sameCANON KK·Filed 2006·Granted Sep 4, 2007·18 cites·10 claims
- 0680US12313992B2Fixing unit and image forming apparatusCANON KK·Filed 2024·Granted May 27, 2025·0 cites·7 claims
- 0776US12055879B2Fixing unit and image forming apparatusCANON KK·Filed 2023·Granted Aug 6, 2024·0 cites·13 claims
- 0876US10222735B2Fixing apparatus and image forming apparatusCANON KK·Filed 2017·Granted Mar 5, 2019·1 cites·14 claims
- 0976US2025053126A1Power control device, fixing device, and image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 1073US7579749B2Power supply device and image forming apparatus using the power supply deviceCANON KK·Filed 2006·Granted Aug 25, 2009·4 cites·22 claims
- 1173US6268071B1Organic electroluminescent deviceTDK CORP·Filed 1998·Granted Jul 31, 2001·102 cites·10 claims
- 1270US12169379B2Power control device, fixing device, and image forming apparatusCANON KK·Filed 2023·Granted Dec 17, 2024·0 cites·5 claims
- 1369US7898149B2Power supply device and image forming apparatusCANON KK·Filed 2007·Granted Mar 1, 2011·3 cites·13 claims
- 1468US11709448B2Fixing unit and image forming apparatusCANON KK·Filed 2021·Granted Jul 25, 2023·0 cites·11 claims
- 1562US9229376B2High voltage power supply and image forming apparatusYASUKAWA KOUJI·Filed 2012·Granted Jan 5, 2016·1 cites·13 claims
- 1661US9052670B2Color image forming apparatusCANON KK·Filed 2014·Granted Jun 9, 2015·0 cites·12 claims
- 1756US11156951B2Fixing unit and image forming apparatusCANON KK·Filed 2021·Granted Oct 26, 2021·0 cites·10 claims
- 1851US6259204B1Organic electroluminescent deviceTDK CORP·Filed 1998·Granted Jul 10, 2001·40 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →