Inventor · disambiguated record
Tomoyasu Hirasawa
Also filed as: HIRASAWA TOMOYASU
51 granted patents·4 pending applications·138 citations·filing 2005–2022
97Inventor score
Top patents by PatentIndex Score
55 records- 0195US7655374B2Fixing liquid, toner fixing method and apparatus, and image forming method and apparatusRICOH KK·Filed 2006·Granted Feb 2, 2010·18 cites·14 claims
- 0292US7773932B2Fixation device, fixation method, image forming apparatus, image forming method and fixation fluidRICOH KK·Filed 2007·Granted Aug 10, 2010·13 cites·20 claims
- 0390US8351817B2Cooling device and image forming deviceRICOH CO LTD·Filed 2010·Granted Jan 8, 2013·6 cites·20 claims
- 0489US7713673B2Fixing liquid, toner fixing method, toner fixing device, image forming method, and image forming apparatusRICOH KK·Filed 2006·Granted May 11, 2010·10 cites·19 claims
- 0587US9372465B2Cooling device and image forming apparatus including sameIKEDA KEISUKE·Filed 2014·Granted Jun 21, 2016·4 cites·21 claims
- 0687US9046858B2Cooling device and image forming apparatus including sameIKEDA KEISUKE·Filed 2013·Granted Jun 2, 2015·3 cites·22 claims
- 0787US7813689B2Fixing device and image forming apparatusRICOH KK·Filed 2007·Granted Oct 12, 2010·9 cites·9 claims
- 0887US7743776B2Dry cleaning apparatus and method capable of cleaning the cleaning agentRICOH KK·Filed 2006·Granted Jun 29, 2010·10 cites·14 claims
- 0986US7869754B2Bubble creating method, bubble creating device, bubbly fixation fluid producing method, bubbly fixation fluid producing device, fixation fluid, image forming method, and image forming apparatusRICOH CO LTD·Filed 2008·Granted Jan 11, 2011·8 cites·15 claims
- 1085US8725026B2Cooling device and image forming apparatus including sameIKEDA KEISUKE·Filed 2012·Granted May 13, 2014·3 cites·32 claims
- 1184US9217979B2Cooling device and image forming apparatus including sameHIRASAWA TOMOYASU·Filed 2013·Granted Dec 22, 2015·3 cites·23 claims
- 1284US8606138B2Cooling device having a turbulence generating unitOKANO SATOSHI·Filed 2010·Granted Dec 10, 2013·4 cites·9 claims
- 1383US9335676B2Image forming apparatusMIYAGAWA HIROAKI·Filed 2014·Granted May 10, 2016·3 cites·14 claims
- 1483US9063482B2Cooling device and image forming apparatusIKEDA KEISUKE·Filed 2013·Granted Jun 23, 2015·3 cites·18 claims
- 1582US9098024B2Cooling device and image forming apparatus including sameIKEDA KEISUKE·Filed 2014·Granted Aug 4, 2015·2 cites·18 claims
- 1682US7758700B2Powder container, cleaning method and cleaning apparatus for cleaning the power containerRICOH KK·Filed 2005·Granted Jul 20, 2010·7 cites·20 claims
- 1779US9046872B2Cooling device and image forming apparatus incorporating sameIKEDA KEISUKE·Filed 2014·Granted Jun 2, 2015·2 cites·17 claims
- 1879US8521053B2Cooling device and image forming apparatusIIJIMA YASUAKI·Filed 2010·Granted Aug 27, 2013·3 cites·7 claims
- 1977US9400485B2Cooling device having a turbulence generating unitOKANO SATOSHI·Filed 2013·Granted Jul 26, 2016·2 cites·20 claims
- 2077US8068759B2Image forming apparatus and cooling method used thereinTAKEHARA KENICHI·Filed 2009·Granted Nov 29, 2011·5 cites·20 claims
- 2175US8019267B2Fixer, fixing device, and image forming apparatusRICOH CO LTD·Filed 2007·Granted Sep 13, 2011·4 cites·20 claims
- 2270US8879945B2Cooling device and image forming apparatusFUJIYA HIOMITSU·Filed 2012·Granted Nov 4, 2014·2 cites·14 claims
- 2369US9354601B2Liquid cooling device that arranges a coolant flowing direction in accordance with a temperature gradient of a cooling airflow and image forming apparatus incorporating the sameHIRASAWA TOMOYASU·Filed 2014·Granted May 31, 2016·1 cites·18 claims
- 2468US8977159B2Image forming apparatusTAKEHARA KENICHI·Filed 2013·Granted Mar 10, 2015·1 cites·11 claims
- 2566US9360837B2Air-conditioning unit, image forming apparatus incorporating same, and air-conditioning channel switching methodHIRASAWA TOMOYASU·Filed 2013·Granted Jun 7, 2016·2 cites·17 claims
- 2666US8737899B2Fixing liquid, fixing method, fixing unit, image forming method, and image forming apparatusKATANO YASUO·Filed 2009·Granted May 27, 2014·2 cites·7 claims
- 2766US8682205B2Cooling device, cooling method, and image forming apparatusIIJIMA YASUAKI·Filed 2011·Granted Mar 25, 2014·1 cites·12 claims
- 2866US8682204B2Image forming apparatus having heat radiating unitFUJIYA HIROMITSU·Filed 2010·Granted Mar 25, 2014·1 cites·12 claims
- 2965US8165514B2Fixing device, and image forming method and image forming apparatus using the sameKATANO YASUO·Filed 2008·Granted Apr 24, 2012·2 cites·8 claims
- 3064US8254803B2Image forming apparatus including a cooling deviceFUJIYA HIROMITSU·Filed 2009·Granted Aug 28, 2012·2 cites·20 claims
- 3163US9864334B2Cooling device and image forming apparatus including sameIKEDA KEISUKE·Filed 2016·Granted Jan 9, 2018·0 cites·12 claims
- 3263US8515303B2Liquid-cooling type cooling device and image forming apparatusOKANO SATOSHI·Filed 2009·Granted Aug 20, 2013·2 cites·9 claims
- 3361US9513598B2Cooling device and image forming apparatusIKEDA KEISUKE·Filed 2016·Granted Dec 6, 2016·0 cites·15 claims
- 3460US9296235B2Cooling device and image forming apparatusIKEDA KEISUKE·Filed 2015·Granted Mar 29, 2016·0 cites·20 claims
- 3560US2018290476A1Light irradiation apparatus and information rewritable systemUEHIRA MASATAKA·Filed 2018·Application pending·0 cites
- 3659US9465358B2Cooling device and image forming apparatus including sameIKEDA KEISUKE·Filed 2015·Granted Oct 11, 2016·0 cites·15 claims
- 3759US9360838B2Cooling device and image forming apparatus incorporating sameMIYAGAWA HIROAKI·Filed 2014·Granted Jun 7, 2016·0 cites·23 claims
- 3859US9044982B2Cooling device and image forming apparatusIKEDA KEISUKE·Filed 2013·Granted Jun 2, 2015·0 cites·20 claims
- 3958US10071586B2Light irradiation apparatus and information rewritable systemUEHIRA MASATAKA·Filed 2016·Granted Sep 11, 2018·0 cites·12 claims
- 4058US9423730B2Cooling device and image forming apparatus including sameIKEDA KEISUKE·Filed 2015·Granted Aug 23, 2016·0 cites·32 claims
- 4156US9483018B2Cooling device and image forming apparatus including sameHIRASAWA TOMOYASU·Filed 2015·Granted Nov 1, 2016·0 cites·13 claims
- 4252US9348311B2Recording medium conveyor and image forming apparatus incorporating sameWATANABE TAKESHI·Filed 2014·Granted May 24, 2016·0 cites·19 claims
- 4352US8792800B2Cooling device and image forming apparatus including sameFUJIYA HIROMITSU·Filed 2012·Granted Jul 29, 2014·0 cites·18 claims
- 4451US8571437B2Cooling device and image forming apparatusHIRASAWA TOMOYASU·Filed 2010·Granted Oct 29, 2013·0 cites·8 claims
- 4549US8687999B2Cooling device and image forming apparatusOKANO SATOSHI·Filed 2011·Granted Apr 1, 2014·0 cites·6 claims
- 4648US8805231B2Cooling device and image forming apparatus including the sameSUZUKI SHINGO·Filed 2011·Granted Aug 12, 2014·0 cites·20 claims
- 4747US12453049B2Loop heat pipe, cooling system, electronic equipment, and wickENDOH TAKESHI·Filed 2022·Granted Oct 21, 2025·0 cites·13 claims
- 4846US11371783B2Loop heat pipe, cooling device, and electronic deviceRICOH CO LTD·Filed 2019·Granted Jun 28, 2022·0 cites·15 claims
- 4945US11187468B2Loop heat pipe wick, loop heat pipe, cooling device, and electronic device, and method for manufacturing porous rubber and method for manufacturing loop heat pipe wickRICOH CO LTD·Filed 2017·Granted Nov 30, 2021·0 cites·12 claims
- 5045US7989133B2Fixing liquid, fixing device using the fixing liquid, and image forming apparatus comprising the fixing deviceRICOH CO LTD·Filed 2007·Granted Aug 2, 2011·0 cites·11 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →