Inventor · disambiguated record
Atsuyuki Katoh
Also filed as: KATOH ATSUYUKI
18 granted patents·175 citations·filing 1989–2006
94Inventor score
Technology areasG03G
Files withSHARP KK18
Top patents by PatentIndex Score
18 records- 0184US6219498B1Image forming apparatus having improved image transfer characteristicsSHARP KK·Filed 2000·Granted Apr 17, 2001·21 cites·10 claims
- 0280US5799225AImage forming apparatus having variable transfer and attraction voltageSHARP KK·Filed 1995·Granted Aug 25, 1998·19 cites·9 claims
- 0379US5812923AImage forming apparatus equipped with register rollers for curling transfer paperSHARP KK·Filed 1996·Granted Sep 22, 1998·25 cites·17 claims
- 0479US5347343APhotosensitive drum cartridge and an image forming apparatus using the sameSHARP KK·Filed 1993·Granted Sep 13, 1994·26 cites·4 claims
- 0578US5017962AImage forming apparatus with process-cartridgesSHARP KK·Filed 1989·Granted May 21, 1991·21 cites·2 claims
- 0668US7546058B2Image forming apparatus with partitioning memberSHARP KK·Filed 2006·Granted Jun 9, 2009·3 cites·25 claims
- 0767US5623329ATransfer device for an image forming apparatusSHARP KK·Filed 1995·Granted Apr 22, 1997·16 cites·36 claims
- 0865US7366447B2Image forming apparatus having non-contact charging rollerSHARP KK·Filed 2004·Granted Apr 29, 2008·9 cites·9 claims
- 0961US6233422B1Image forming apparatus having transfer drum with transfer paper charging memberSHARP KK·Filed 1999·Granted May 15, 2001·8 cites·27 claims
- 1058US6044236AImage forming apparatus having improved image transfer characteristicsSHARP KK·Filed 1998·Granted Mar 28, 2000·11 cites·33 claims
- 1150US7167665B2Foreign material removing system, method of removing foreign material, printing apparatus and printing methodSHARP KK·Filed 2003·Granted Jan 23, 2007·4 cites·31 claims
- 1250US6026256AImage forming apparatusSHARP KK·Filed 1998·Granted Feb 15, 2000·5 cites·12 claims
- 1346US6259869B1Image forming apparatusSHARP KK·Filed 1998·Granted Jul 10, 2001·4 cites·9 claims
- 1440US7539435B2Image forming apparatus with isolating member for powder developerSHARP KK·Filed 2006·Granted May 26, 2009·0 cites·12 claims
- 1538US6081686AImage forming apparatus having transfer drum with specific constructionSHARP KK·Filed 1999·Granted Jun 27, 2000·2 cites·9 claims
- 1635US7035577B2Developing apparatus, image forming apparatus and toner replenishing methodSHARP KK·Filed 2003·Granted Apr 25, 2006·0 cites·19 claims
- 1734US6169862B1Image forming apparatus with nip time changing deviceSHARP KK·Filed 1999·Granted Jan 2, 2001·1 cites·21 claims
- 1830US6118954AImage forming apparatus having transfer roller with charge-removing and cleaning devicesSHARP KK·Filed 1998·Granted Sep 12, 2000·0 cites·44 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →