Inventor · disambiguated record
Seiji Terazawa
Also filed as: TERAZAWA SEIJI
61 granted patents·3 pending applications·1,193 citations·filing 1995–2025
99Inventor score
Top patents by PatentIndex Score
64 records- 0198US8126375B2Toner container and image forming apparatusTAGUCHI NOBUYUKI·Filed 2011·Granted Feb 28, 2012·45 cites·20 claims
- 0298US7991334B2Toner container and image forming apparatusRICOH CO LTD·Filed 2010·Granted Aug 2, 2011·52 cites·20 claims
- 0398US7853184B2Toner container and image forming apparatusRICOH CO LTD·Filed 2006·Granted Dec 14, 2010·62 cites·34 claims
- 0498US7822371B2Toner container and image forming apparatusRICOH KK·Filed 2006·Granted Oct 26, 2010·77 cites·44 claims
- 0598US7706699B2Toner container and image forming apparatusRICOH KK·Filed 2006·Granted Apr 27, 2010·84 cites·23 claims
- 0698US7702262B2Toner container including a container body with a gripper at the end thereof, and associated methodRICOH KK·Filed 2006·Granted Apr 20, 2010·67 cites·25 claims
- 0798US7577379B2Toner container, toner supply device and image forming apparatusRICOH KK·Filed 2007·Granted Aug 18, 2009·42 cites·9 claims
- 0898US7184691B2Toner container, toner supply device and image forming apparatusRICOH KK·Filed 2005·Granted Feb 27, 2007·81 cites·27 claims
- 0997US9581937B2Powder container and image forming apparatusRICOH CO LTD·Filed 2016·Granted Feb 28, 2017·11 cites·15 claims
- 1097US8532542B2Toner container and manufacturing method for toner containerMITSUISHI KAORI·Filed 2010·Granted Sep 10, 2013·21 cites·41 claims
- 1197US8311447B2Toner container and manufacturing method for toner containerMITSUISHI KAORI·Filed 2011·Granted Nov 13, 2012·24 cites·21 claims
- 1297US6678492B1Toner container and toner delivery apparatusRICOH KK·Filed 1999·Granted Jan 13, 2004·92 cites·74 claims
- 1397US6608983B2Toner container and air stream delivering mechanismRICOH KK·Filed 2001·Granted Aug 19, 2003·67 cites·50 claims
- 1496US5655195AToner cartridge for a developing device included in an image forming apparatusRICOH KK·Filed 1995·Granted Aug 5, 1997·82 cites·11 claims
- 1595US11209748B2Powder container including a nozzle receiving opening and scoopRICOH CO LTD·Filed 2021·Granted Dec 28, 2021·2 cites·30 claims
- 1695US9482988B2Powder container and image forming apparatusHOSOKAWA HIROSHI·Filed 2014·Granted Nov 1, 2016·8 cites·13 claims
- 1795US7962069B2Toner container, image forming apparatus, method of recycling toner containerRICOH CO LTD·Filed 2005·Granted Jun 14, 2011·19 cites·56 claims
- 1894US6304739B1Toner container and image forming apparatus using the sameRICOH KK·Filed 1999·Granted Oct 16, 2001·74 cites·59 claims
- 1993US6701112B2Toner bottle and electrophotographic apparatus using the sameRICOH KK·Filed 2001·Granted Mar 2, 2004·46 cites·29 claims
- 2093US6549744B2Powder container for an image forming apparatus and powder discharging deviceRICOH KK·Filed 2001·Granted Apr 15, 2003·48 cites·87 claims
- 2191US9213261B2Toner container and manufacturing method for toner containerMITSUISHI KAORI·Filed 2013·Granted Dec 15, 2015·4 cites·69 claims
- 2291US6648218B2Powder container, method of assembling the same and image forming apparatusRICOH KK·Filed 2001·Granted Nov 18, 2003·37 cites·31 claims
- 2389US8929776B2Nozzle, image forming apparatus, and method of deriving powderYAMABE JUNJI·Filed 2013·Granted Jan 6, 2015·5 cites·3 claims
- 2488US9529303B2Toner container and manufacturing method for toner containerMITSUISHI KAORI·Filed 2016·Granted Dec 27, 2016·2 cites·18 claims
- 2588US9454099B2Toner container including a lid member pulled out in an inclined directionYAMABE JUNJI·Filed 2014·Granted Sep 27, 2016·4 cites·36 claims
- 2687US12313987B2Powder container with a nozzle receiverRICOH CO LTD·Filed 2023·Granted May 27, 2025·0 cites·20 claims
- 2787US9436127B2Toner container and manufacturing method for toner containerMITSUISHI KAORI·Filed 2015·Granted Sep 6, 2016·2 cites·21 claims
- 2887US8973759B2Sieving device, sieving device for developing device, and powder-charging deviceICHIKAWA HIDEO·Filed 2012·Granted Mar 10, 2015·7 cites·13 claims
- 2987US7039346B2Flexible toner container and toner delivery apparatusRICOH KK·Filed 2003·Granted May 2, 2006·19 cites·4 claims
- 3081US11874613B2Powder container with a nozzle receiverRICOH CO LTD·Filed 2022·Granted Jan 16, 2024·0 cites·14 claims
- 3180US10915039B2Powder container and image forming apparatusRICOH CO LTD·Filed 2019·Granted Feb 9, 2021·0 cites·21 claims
- 3280US6907214B2Toner bottle and electrophotographic apparatus using the sameRICOH KK·Filed 2003·Granted Jun 14, 2005·14 cites·26 claims
- 3379US11662672B2Nozzle receiver for use with a toner containerRICOH CO LTD·Filed 2021·Granted May 30, 2023·0 cites·20 claims
- 3479US8934816B2Sieve device, powder transporting unit, image forming apparatus, and method of transporting powderYAMABE JUNJI·Filed 2013·Granted Jan 13, 2015·2 cites·14 claims
- 3578US11231661B2Powder container including a container body, nozzle receiver, and sealRICOH CO LTD·Filed 2021·Granted Jan 25, 2022·0 cites·30 claims
- 3678US5740507ADensely packed toner container and method of producing the sameRICOH KK·Filed 1996·Granted Apr 14, 1998·57 cites·15 claims
- 3777US11397391B2Powder container including a container body, nozzle receiver, and sealRICOH CO LTD·Filed 2020·Granted Jul 26, 2022·0 cites·23 claims
- 3877US10564573B2Powder container and image forming apparatusRICOH CO LTD·Filed 2018·Granted Feb 18, 2020·0 cites·7 claims
- 3976US11347163B2Powder container including a nozzle receiving opening and scoopRICOH CO LTD·Filed 2020·Granted May 31, 2022·0 cites·20 claims
- 4076US9141031B2Toner housing container and image forming apparatusYAMABE JUNJI·Filed 2014·Granted Sep 22, 2015·2 cites·16 claims
- 4176US2025376291A1Packing box, toner container, and method of assembling packing boxSHIBATA TERUO·Filed 2025·Application pending·0 cites
- 4271US10156810B2Powder container and image forming apparatusRICOH CO LTD·Filed 2016·Granted Dec 18, 2018·0 cites·14 claims
- 4371USRE37542EToner cartridge for a developing device included in an image forming apparatusRICOH KK·Filed 1999·Granted Feb 5, 2002·17 cites·34 claims
- 4470US8929777B2Sieve device, supply unit, developing unit, image forming apparatus, and method of supplying toner particlesYAMABE JUNJI·Filed 2013·Granted Jan 6, 2015·1 cites·16 claims
- 4568US7277665B2Toner container configured for toner replenishment through blow systemRICOH KK·Filed 2004·Granted Oct 2, 2007·7 cites·19 claims
- 4666US8233818B2Inner cap for toner container and toner containerSASAKI TOMOE·Filed 2008·Granted Jul 31, 2012·4 cites·9 claims
- 4765US9116468B2Powder storage container and image forming apparatus in which a gripping part includes a powder loading port and a sealing memberTERAZAWA SEIJI·Filed 2012·Granted Aug 25, 2015·1 cites·17 claims
- 4865US8068770B2Toner cartridge, image forming apparatus, method of recycling toner cartridgeKURENUMA TAKEROH·Filed 2010·Granted Nov 29, 2011·1 cites·20 claims
- 4963US11506992B2Powder container and image forming apparatusRICOH CO LTD·Filed 2021·Granted Nov 22, 2022·0 cites·13 claims
- 5062US12409971B2Packing member, toner container, and packing methodTAMAKI SHUNTAROH·Filed 2023·Granted Sep 9, 2025·0 cites·10 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →