Inventor · disambiguated record
Takeyoshi Sekine
Also filed as: SEKINE TAKEYOSHI
19 granted patents·1 pending application·581 citations·filing 1990–2016
96Inventor score
Top patents by PatentIndex Score
20 records- 0196US6442364B2Image forming apparatus having a developer carrier capable of preventing toner adhesionRICOH KK·Filed 2001·Granted Aug 27, 2002·72 cites·16 claims
- 0294US6597885B2Image forming apparatus having a developing device with a magnet brushRICOH KK·Filed 2001·Granted Jul 22, 2003·45 cites·68 claims
- 0394US5270783AImage forming equipment having improved toner sensingRICOH KK·Filed 1992·Granted Dec 14, 1993·66 cites·9 claims
- 0493US5227842AElectrophotographic image forming apparatus which controls developer bias based on image irregularityRICOH KK·Filed 1992·Granted Jul 13, 1993·62 cites·18 claims
- 0592US6778805B2Image forming apparatus having a developing device with a magnet brushRICOH KK·Filed 2003·Granted Aug 17, 2004·34 cites·95 claims
- 0692US6701114B2Image forming apparatus and image forming process unit with developer carried on a developer carrierRICOH KK·Filed 2002·Granted Mar 2, 2004·43 cites·69 claims
- 0790US6873814B2Developing device using a two-ingredient type developer and image forming apparatus including the sameRICOH KK·Filed 2002·Granted Mar 29, 2005·36 cites·18 claims
- 0890US6792234B2Developing device having a developer carrier including main and auxiliary magnetic poles and image forming apparatus using the sameRICOH KK·Filed 2002·Granted Sep 14, 2004·35 cites·21 claims
- 0990US5913092APicture design forming system and method toner for forming an image, transferring substance for forming a picture designRICOH KK·Filed 1997·Granted Jun 15, 1999·48 cites·15 claims
- 1086US6856774B2Developing device including magnetic member provided on toner-scattering restraining device and image forming apparatus including the developing deviceRICOH KK·Filed 2002·Granted Feb 15, 2005·26 cites·15 claims
- 1184US6125257AMethods and systems for cleaning residual toner from image developing deviceRICOH KK·Filed 1997·Granted Sep 26, 2000·35 cites·39 claims
- 1280US10025657B2Information processing system and failure diagnosis methodOKU TAKENORI·Filed 2016·Granted Jul 17, 2018·4 cites·14 claims
- 1372US7003250B2Two component development apparatus and process cartridgeRICOH KK·Filed 2003·Granted Feb 21, 2006·12 cites·29 claims
- 1472US5648842AMethods and systems for cleaning residual toner from image-developing deviceRICOH KK·Filed 1996·Granted Jul 15, 1997·20 cites·39 claims
- 1570US6728504B2Developing device using a magnet brush and image forming apparatus including the sameRICOH KK·Filed 2001·Granted Apr 27, 2004·11 cites·6 claims
- 1658US5327199ADeveloping device for a color image forming apparatusRICOH KK·Filed 1993·Granted Jul 5, 1994·11 cites·10 claims
- 1756US5131079AMethod of controlling a display and a display control device for a copying machineRICOH KK·Filed 1990·Granted Jul 14, 1992·21 cites·9 claims
- 1845US2016379144A1Information processing system and failure prediction model adoption determining methodMIZUNO SATOSHI·Filed 2016·Application pending·0 cites
- 1935US10944810B2System, service determining method, and computer program productUEDA KENJI·Filed 2016·Granted Mar 9, 2021·0 cites·17 claims
- 2035US10228888B2System, method, and non-transitory recording medium for determining lifetimes of components of multifunction peripheralsSEKINE TAKEYOSHI·Filed 2016·Granted Mar 12, 2019·0 cites·10 claims
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