Inventor · disambiguated record
Masanari Fujita
Also filed as: FUJITA MASANARI
46 granted patents·2 pending applications·121 citations·filing 1990–2021
97Inventor score
Files withKUBOTA TOMOHIRO6NIPPON STEEL CHEMICAL CO6RICOH CO LTD6TOSHIBA MEMORY CORP6SAKASHITA TAKESHI4
Top patents by PatentIndex Score
48 records- 0197US8744321B2Developer container, developing device, process unit, and image forming apparatusKUBOTA TOMOHIRO·Filed 2013·Granted Jun 3, 2014·17 cites·30 claims
- 0295US8792808B2Developer container, developing device, process unit, and image forming apparatusKUBOTA TOMOHIRO·Filed 2013·Granted Jul 29, 2014·7 cites·35 claims
- 0394US10175607B2Developer container including a convex portion, a rotator, and a recessKUBOTA TOMOHIRO·Filed 2017·Granted Jan 8, 2019·4 cites·31 claims
- 0491US9069284B2Image forming apparatus and powder transport unitSHIMIZU YOSHIYUKI·Filed 2013·Granted Jun 30, 2015·7 cites·12 claims
- 0591US8768203B2Image forming apparatus capable of effectively utilizing interior spaceHAMADA MANABU·Filed 2011·Granted Jul 1, 2014·12 cites·18 claims
- 0681US11081494B2Semiconductor memoryTOSHIBA MEMORY CORP·Filed 2019·Granted Aug 3, 2021·2 cites·10 claims
- 0781US9857734B2Image forming apparatusSAKASHITA TAKESHI·Filed 2016·Granted Jan 2, 2018·2 cites·13 claims
- 0880US11506994B2Toner cartridge including a protrusion protruding from a center of a conveyance drive gearRICOH CO LTD·Filed 2021·Granted Nov 22, 2022·0 cites·7 claims
- 0980US10816914B2Developer container for image forming apparatusRICOH CO LTD·Filed 2019·Granted Oct 27, 2020·0 cites·30 claims
- 1080US8983357B2Powder transport device and image forming apparatus incorporating sameSAKASHITA TAKESHI·Filed 2012·Granted Mar 17, 2015·9 cites·17 claims
- 1180US7463849B2Image forming apparatus including static pre-eliminatorRICOH PRINTING SYS LTD·Filed 2006·Granted Dec 9, 2008·6 cites·5 claims
- 1279US10955771B2Belt control device and image forming apparatus incorporating sameKUMAGAI NAOHIRO·Filed 2020·Granted Mar 23, 2021·1 cites·7 claims
- 1378US10558145B2Downsized developer container with higher degree of freedomRICOH CO LTD·Filed 2019·Granted Feb 11, 2020·0 cites·30 claims
- 1477US7142794B2Image forming apparatusRICOH PRINTING SYS LTD·Filed 2005·Granted Nov 28, 2006·5 cites·16 claims
- 1576US11231663B2Toner cartridge including a protrusion protruding from a center of a conveyance drive gearRICOH CO LTD·Filed 2020·Granted Jan 25, 2022·0 cites·15 claims
- 1676US10295933B2Developer container, developing device, process unit, and image forming apparatusKUBOTA TOMOHIRO·Filed 2018·Granted May 21, 2019·0 cites·7 claims
- 1776US8811859B2Developer container, development device, process unit, and image forming apparatusTSURITANI SHOH·Filed 2012·Granted Aug 19, 2014·2 cites·9 claims
- 1875US8805214B2Image forming apparatusFUJITA MASANARI·Filed 2012·Granted Aug 12, 2014·2 cites·17 claims
- 1974US10199498B2Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2016·Granted Feb 5, 2019·2 cites·18 claims
- 2074US7962055B2Image forming apparatusRICOH CO LTD·Filed 2007·Granted Jun 14, 2011·4 cites·21 claims
- 2171US9436125B2Powder container and image forming apparatus incorporating sameFUKUSHIMA TATSUO·Filed 2015·Granted Sep 6, 2016·1 cites·19 claims
- 2269US9696657B2Developer container, developing device, process unit, and image forming apparatusRICOH CO LTD·Filed 2016·Granted Jul 4, 2017·0 cites·20 claims
- 2369US9176419B2Developer container, developing device, process unit, and image forming apparatusKUBOTA TOMOHIRO·Filed 2014·Granted Nov 3, 2015·0 cites·19 claims
- 2469US7493063B2Image-forming device comprising a contact charging unitRICOH KK·Filed 2006·Granted Feb 17, 2009·3 cites·7 claims
- 2567US9280130B2Developer container, developing device, process unit, and image forming apparatusKUBOTA TOMOHIRO·Filed 2015·Granted Mar 8, 2016·0 cites·26 claims
- 2666US10403636B2Semiconductor memory device and method for manufacturing the sameTOSHIBA MEMORY CORP·Filed 2016·Granted Sep 3, 2019·1 cites·19 claims
- 2763US2021288074A1Semiconductor memoryTOSHIBA MEMORY CORP·Filed 2021·Application pending·0 cites
- 2862US10797077B2Three-dimensional semiconductor memory device including slit with lateral surfaces having periodicityTOSHIBA MEMORY CORP·Filed 2019·Granted Oct 6, 2020·0 cites·8 claims
- 2960US10541251B2Three-dimensional semiconductor memory device including slit with lateral surfaces having periodicityTOSHIBA MEMORY CORP·Filed 2018·Granted Jan 21, 2020·0 cites·2 claims
- 3056US11112734B2Belt device, belt regulator, roller unit, and image forming apparatusKUMAGAI NAOHIRO·Filed 2020·Granted Sep 7, 2021·0 cites·10 claims
- 3156US5349012AProcess for preparing rubber-modified styrene resinsNIPPON STEEL CHEMICAL CO·Filed 1993·Granted Sep 20, 1994·14 cites·6 claims
- 3253US9164470B2Transfer device and attachment of the transfer device to a cover of an image forming apparatusSAKASHITA TAKESHI·Filed 2013·Granted Oct 20, 2015·0 cites·21 claims
- 3353US9007409B2Optical writing head positioning mechanism, process cartridge, and image forming apparatusNAKAMURA KENJI·Filed 2014·Granted Apr 14, 2015·0 cites·12 claims
- 3449US8903283B2Shutter assembly, powder container, cleaning device, and image forming apparatusHAMADA MANABU·Filed 2013·Granted Dec 2, 2014·0 cites·15 claims
- 3548US9031450B2Toner collection unit and image forming apparatus incorporating sameSAKUMA TETSUSHI·Filed 2013·Granted May 12, 2015·0 cites·20 claims
- 3644US9304474B2Image forming apparatusSAKASHITA TAKESHI·Filed 2015·Granted Apr 5, 2016·0 cites·19 claims
- 3742US9213270B2Image forming apparatusSAKUMA TETSUSHI·Filed 2012·Granted Dec 15, 2015·0 cites·25 claims
- 3842US9201385B2Moving device and image forming apparatus including the moving deviceFUJITA MASANARI·Filed 2013·Granted Dec 1, 2015·0 cites·19 claims
- 3940US8971752B2Belt device and image forming apparatusMEGURO YUUJI·Filed 2012·Granted Mar 3, 2015·0 cites·8 claims
- 4040US7796905B2Multicolor image forming apparatusRICOH KK·Filed 2006·Granted Sep 14, 2010·0 cites·22 claims
- 4139US9348309B2Image forming apparatus and driving method for driving image forming apparatusFUJITA MASANARI·Filed 2015·Granted May 24, 2016·0 cites·20 claims
- 4239US6031050ARubber-modified styrenic resin compositionNIPPON STEEL CHEMICAL CO·Filed 1996·Granted Feb 29, 2000·7 cites·1 claims
- 4339US5747593AProcess for producing rubber-modified styrene resinNIPPON STEEL CHEMICAL CO·Filed 1994·Granted May 5, 1998·4 cites·5 claims
- 4438US9817340B2Image forming apparatus that performs a refreshing operationSEKI TAKAHIRO·Filed 2016·Granted Nov 14, 2017·0 cites·7 claims
- 4538US6160052ARubber-modified aromatic vinyl resin composition and process for the production thereofNIPPON STEEL CHEMICAL CO·Filed 1996·Granted Dec 12, 2000·4 cites·11 claims
- 4637US5244977AProcess for preparing rubber-modified styrene resinsNIPPON STEEL CHEMICAL CO·Filed 1990·Granted Sep 14, 1993·4 cites·3 claims
- 4733US2016126251A1Semiconductor memory device and method for manufacturing sameTOSHIBA KK·Filed 2015·Application pending·0 cites
- 4831US6300412B1Process for preparation of rubber-modified aromatic vinyl resin compositionsNIPPON STEEL CHEMICAL CO·Filed 1998·Granted Oct 9, 2001·1 cites·8 claims
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