Inventor · disambiguated record
Akiyasu Amita
Also filed as: AMITA AKIYASU
47 granted patents·2 pending applications·871 citations·filing 2003–2023
98Inventor score
Top patents by PatentIndex Score
49 records- 0198US7957663B2Heater, fixing unit and image forming apparatusRICOH CO LTD·Filed 2010·Granted Jun 7, 2011·23 cites·17 claims
- 0298US7925177B2Image fixing apparatus stably controlling a fixing temperature, and image forming apparatus using the sameRICOH CO LTD·Filed 2005·Granted Apr 12, 2011·37 cites·36 claims
- 0398US7239821B2Image forming apparatus including a heating unitRICOH KK·Filed 2005·Granted Jul 3, 2007·38 cites·14 claims
- 0498US6813464B2Fixing device with a peeler and biasing devices and image forming apparatus including the sameRICOH KK·Filed 2003·Granted Nov 2, 2004·94 cites·25 claims
- 0597US7885569B2Heater, fixing unit and image forming apparatus operable with a main and auxiliary power supply unitRICOH CO LTD·Filed 2009·Granted Feb 8, 2011·26 cites·28 claims
- 0697US7565087B2Fixing device, image forming apparatus including the fixing device, and fixing methodRICOH KK·Filed 2008·Granted Jul 21, 2009·32 cites·11 claims
- 0797US7551869B2Fixing device, image forming apparatus including the fixing device, and fixing methodRICOH KK·Filed 2005·Granted Jun 23, 2009·31 cites·21 claims
- 0897US7496309B2Image forming apparatus with auxiliary power sourceRICOH KK·Filed 2007·Granted Feb 24, 2009·26 cites·14 claims
- 0997US7373094B2Fixing unit having a plurality of heaters, image forming apparatus and method of determining temperature detecting position of temperature sensorRICOH KK·Filed 2006·Granted May 13, 2008·27 cites·19 claims
- 1097US7366432B2Fixing device for fixing an image, image forming apparatus including the fixing device, and fixing methodRICOH KK·Filed 2005·Granted Apr 29, 2008·30 cites·18 claims
- 1197US7343113B2Fixing device, image forming apparatus including the fixing device, and fixing methodRICOH KK·Filed 2005·Granted Mar 11, 2008·35 cites·22 claims
- 1297US7333743B2Fixing device, image forming apparatus including the fixing device, and fixing methodRICOH KK·Filed 2005·Granted Feb 19, 2008·37 cites·20 claims
- 1397US7308216B2Image forming apparatus and method to supply power to a fixing deviceRICOH KK·Filed 2005·Granted Dec 11, 2007·38 cites·21 claims
- 1497US7212758B2Image-forming apparatusRICOH KK·Filed 2006·Granted May 1, 2007·27 cites·3 claims
- 1597US7209675B2Image forming apparatusRICOH KK·Filed 2005·Granted Apr 24, 2007·36 cites·3 claims
- 1696US7515845B2Method for supplying power, and fixing and image forming apparatusesRICOH KK·Filed 2005·Granted Apr 7, 2009·26 cites·10 claims
- 1796US7356270B2Fixing device, image forming apparatus including the fixing device, and fixing methodRICOH KK·Filed 2005·Granted Apr 8, 2008·27 cites·21 claims
- 1896US7054570B2Image-forming apparatusRICOH KK·Filed 2004·Granted May 30, 2006·59 cites·27 claims
- 1995US7609988B2Heater, fixing unit and image forming apparatus having power supplied from chargeable auxiliary power supplying unit varied per unit timeRICOH KK·Filed 2004·Granted Oct 27, 2009·38 cites·30 claims
- 2094US7130555B2Fixing unit having a plurality of heaters, image forming apparatus and method of determining temperature detecting position of temperature sensorRICOH KK·Filed 2004·Granted Oct 31, 2006·41 cites·36 claims
- 2194US7116923B2Fuser provided with auxiliary power supply device to operate with varying powerRICOH KK·Filed 2004·Granted Oct 3, 2006·47 cites·13 claims
- 2293US7212759B2Heating device, fixing device and image forming apparatusRICOH KK·Filed 2004·Granted May 1, 2007·36 cites·15 claims
- 2389US8331839B2Gloss applicator and image forming apparatusKUNII HIROYUKI·Filed 2011·Granted Dec 11, 2012·5 cites·11 claims
- 2489US7603049B2Image formation apparatus and associated method of storing powerRICOH KK·Filed 2005·Granted Oct 13, 2009·34 cites·11 claims
- 2586US8892015B2Fixing device and image forming apparatus incorporating sameKUNII HIROYUKI·Filed 2012·Granted Nov 18, 2014·4 cites·18 claims
- 2686US8655253B2Glossing device and image forming apparatus incorporating sameKUNII HIROYUKI·Filed 2012·Granted Feb 18, 2014·4 cites·20 claims
- 2782US10191423B2Image forming apparatus including a fixing deviceSUGIYAMA Ryohhei·Filed 2017·Granted Jan 29, 2019·2 cites·18 claims
- 2879US8131198B2Image forming apparatus, fixing unit, and image forming method with improved heating mechanismISHII KENJI·Filed 2006·Granted Mar 6, 2012·6 cites·24 claims
- 2976US10234798B2Fixing device and image forming apparatus incorporating sameWATANABE YOHHEI·Filed 2018·Granted Mar 19, 2019·1 cites·10 claims
- 3075US8774692B2Fixing device and image forming apparatus incorporating sameMURAMATSU SATOSHI·Filed 2012·Granted Jul 8, 2014·2 cites·13 claims
- 3167US8849172B2Glossing device, fixing device, and image forming apparatus incorporating sameKUNII HIROYUKI·Filed 2012·Granted Sep 30, 2014·1 cites·13 claims
- 3266US8724178B2Image forming apparatusKUNII HIROYUKI·Filed 2011·Granted May 13, 2014·1 cites·10 claims
- 3364US12326680B2Fixing device and image forming apparatus incorporating the sameAMITA AKIYASU·Filed 2023·Granted Jun 10, 2025·0 cites·5 claims
- 3458US11550246B2Image forming apparatusAMITA AKIYASU·Filed 2021·Granted Jan 10, 2023·0 cites·7 claims
- 3558US9195201B2Gloss applicator and image forming apparatus including the gloss applicatorSHIMADA HIROYUKI·Filed 2014·Granted Nov 24, 2015·0 cites·9 claims
- 3655US11150583B2Belt device and image forming apparatus incorporating sameRICOH CO LTD·Filed 2020·Granted Oct 19, 2021·0 cites·11 claims
- 3755US11099506B2Sheet conveying device, fixing device incorporating the sheet conveying device, and image forming apparatus incorporating the sheet conveying deviceRICOH CO LTD·Filed 2018·Granted Aug 24, 2021·0 cites·19 claims
- 3853US10488796B2Fixing device controller, image forming apparatus, fixing device control method, and non-transitory computer-readable recording medium storing fixing device control programKAWATA TEPPEI·Filed 2018·Granted Nov 26, 2019·0 cites·11 claims
- 3953US9715201B2Fixing device and image forming apparatus including a rotation load applicatorHASE TAKAMASA·Filed 2016·Granted Jul 25, 2017·0 cites·19 claims
- 4052US11809107B2Fixing device and image forming apparatus incorporating sameTOKUDA TETSUO·Filed 2022·Granted Nov 7, 2023·0 cites·8 claims
- 4148US8913941B2Gloss applicator and image forming apparatus including sameSHIMADA HIROYUKI·Filed 2012·Granted Dec 16, 2014·0 cites·10 claims
- 4247US9213295B2Glossing device and image forming apparatus incorporating sameSHIMADA HIROYUKI·Filed 2013·Granted Dec 15, 2015·0 cites·9 claims
- 4347US8688021B2Glossing device, fixing device, and image forming apparatus incorporating sameKUNII HIROYUKI·Filed 2012·Granted Apr 1, 2014·0 cites·15 claims
- 4445US2007031159A1Heating device, fixing device and image forming apparatusKISHI KAZUHITO·Filed 2006·Application pending·0 cites
- 4543US8755730B2Glossing device and image forming apparatus incorporating sameAMITA AKIYASU·Filed 2012·Granted Jun 17, 2014·0 cites·15 claims
- 4642US9046841B2Gloss applicator and image forming apparatus including sameAMITA AKIYASU·Filed 2012·Granted Jun 2, 2015·0 cites·9 claims
- 4742US8401452B2Fixing device with gloss control unit and image forming apparatusAMITA AKIYASU·Filed 2010·Granted Mar 19, 2013·0 cites·11 claims
- 4840US9229412B2Gloss applier and image forming apparatus incorporating sameAMITA AKIYASU·Filed 2012·Granted Jan 5, 2016·0 cites·10 claims
- 4935US2006051111A1Condenser type fixing and image forming apparatusesKISHI KAZUHITO·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →