Inventor · disambiguated record
Toru Katsumi
Also filed as: KATSUMI TORU
21 granted patents·1 pending application·352 citations·filing 1990–2024
96Inventor score
Technology areasG03G
Top patents by PatentIndex Score
22 records- 0193US5486903AImage forming apparatus with paper thickness detectorCANON KK·Filed 1994·Granted Jan 23, 1996·48 cites·6 claims
- 0292US10802430B2Image heating apparatus having a belt and a regulating portion to regulate movement of the belt in a sheet width directionCANON KK·Filed 2019·Granted Oct 13, 2020·6 cites·7 claims
- 0392US5029314AImage formation condition controlling apparatus based on fuzzy inferenceCANON KK·Filed 1990·Granted Jul 2, 1991·49 cites·17 claims
- 0490US11144008B2Image heating apparatus having first and second cooling fans cooling an end portion of a first rotatable memberCANON KK·Filed 2019·Granted Oct 12, 2021·4 cites·11 claims
- 0590US5481337AMethod and apparatus for correcting image formation in accordance with a potential measurement and a density measurement selected along an axial direction of a photosensitive drumCANON KK·Filed 1992·Granted Jan 2, 1996·47 cites·23 claims
- 0688US11163250B2Fixing unit having a pad to press a belt on a supporting member and a sliding sheet fixed to the supporting memberCANON KK·Filed 2019·Granted Nov 2, 2021·2 cites·23 claims
- 0783US12443132B2Fixing unitCANON KK·Filed 2024·Granted Oct 14, 2025·0 cites·15 claims
- 0883US6631249B2Image forming apparatus capable of preventing the overflow of toner on a clean bladeCANON KK·Filed 2001·Granted Oct 7, 2003·23 cites·39 claims
- 0982US7773888B2Image forming apparatus maintenance via error transmissionCANON KK·Filed 2007·Granted Aug 10, 2010·7 cites·10 claims
- 1077US6668149B2Image forming apparatusCANON KK·Filed 2002·Granted Dec 23, 2003·16 cites·12 claims
- 1176US5300987AImage forming apparatus which reduces or eliminates density irregularity due to thermal deformation of a developing sleeveCANON KK·Filed 1993·Granted Apr 5, 1994·22 cites·4 claims
- 1275US6415130B1Image forming apparatus with curling and recurling meansCANON KK·Filed 1999·Granted Jul 2, 2002·24 cites·29 claims
- 1373US12025931B2Fixing unit having a sliding sheet with a width in a longitudinal direction smaller than the width of first and second contact membersCANON KK·Filed 2021·Granted Jul 2, 2024·0 cites·11 claims
- 1473US5610689AImage forming apparatus having failure diagnosing functionCANON KK·Filed 1996·Granted Mar 11, 1997·23 cites·65 claims
- 1568US6173150B1Separation charger for an image forming apparatusCANON KK·Filed 1999·Granted Jan 9, 2001·18 cites·6 claims
- 1665US5526106AImage forming apparatus with transfer material separating meansCANON KK·Filed 1995·Granted Jun 11, 1996·17 cites·30 claims
- 1764US5486905ADeveloping agent recovery apparatus and image forming apparatus using such recovery apparatusCANON KK·Filed 1994·Granted Jan 23, 1996·14 cites·20 claims
- 1861US7106984B2Image forming apparatusCANON KK·Filed 2004·Granted Sep 12, 2006·7 cites·6 claims
- 1958US6157794ASystem to reduce mixing of toner and magnetic carrierCANON KK·Filed 1997·Granted Dec 5, 2000·13 cites·7 claims
- 2044US5227849ADeveloping apparatus and developer carrying member usable therewithCANON KK·Filed 1992·Granted Jul 13, 1993·6 cites·9 claims
- 2143US6438333B1Image forming apparatus with reduced transfer current to transfer material rear endCANON KK·Filed 1999·Granted Aug 20, 2002·6 cites·6 claims
- 2240US2012315059A1Image forming apparatusKATSUMI TORU·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →