Inventor · disambiguated record
Takamasa Hase
Also filed as: HASE TAKAMASA
133 granted patents·12 pending applications·272 citations·filing 2008–2025
99Inventor score
Top patents by PatentIndex Score
145 records- 0196US8588670B2Fixing device having a reflector and image forming apparatus incorporating sameSHIMOKAWA TOSHIHIKO·Filed 2011·Granted Nov 19, 2013·17 cites·8 claims
- 0294US9244411B2Fixing device and image forming apparatus incorporating sameSESHITA TAKUYA·Filed 2013·Granted Jan 26, 2016·11 cites·19 claims
- 0394US8886101B2Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the sameKAWATA TEPPEI·Filed 2012·Granted Nov 11, 2014·7 cites·17 claims
- 0494US8364052B2Fixing device and image forming apparatus incorporating sameRICOH CO LTD·Filed 2010·Granted Jan 29, 2013·10 cites·7 claims
- 0593US9031439B2Fixing device and image forming deviceHASE TAKAMASA·Filed 2013·Granted May 12, 2015·7 cites·7 claims
- 0693US8774666B2Fixing device and image forming apparatus incorporating sameSAITO KAZUYA·Filed 2012·Granted Jul 8, 2014·8 cites·13 claims
- 0793US8630572B2Fixing device and image forming apparatus including sameFUJIMOTO IPPEI·Filed 2011·Granted Jan 14, 2014·9 cites·10 claims
- 0893US8447220B2Fixing device and image forming apparatus including sameYAMAGUCHI YOSHIKI·Filed 2011·Granted May 21, 2013·8 cites·12 claims
- 0992US9811031B2Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the sameKAWATA TEPPEI·Filed 2015·Granted Nov 7, 2017·4 cites·35 claims
- 1092US9405250B2Fixing device capable of minimizing damage of endless rotary body and image forming apparatus incorporating sameOGAWA TADASHI·Filed 2015·Granted Aug 2, 2016·5 cites·8 claims
- 1192US8498561B2Fixing device and image forming apparatus incorporating same having a reinforcing member including first and second flangesYAMAGUCHI YOSHIKI·Filed 2010·Granted Jul 30, 2013·7 cites·13 claims
- 1291US9612556B2Fixing device and image forming apparatusOGINO YASUHIKO·Filed 2016·Granted Apr 4, 2017·5 cites·19 claims
- 1391US9026024B2Fixing device capable of minimizing damage of endless rotary body and image forming apparatus incorporating sameRICOH CO LTD·Filed 2013·Granted May 5, 2015·5 cites·13 claims
- 1491US8929791B2Fixing device and endless belt assemblyISHII KENJI·Filed 2013·Granted Jan 6, 2015·6 cites·20 claims
- 1591US8682192B2Image forming apparatusIKEBUCHI YUTAKA·Filed 2011·Granted Mar 25, 2014·6 cites·7 claims
- 1691US8311469B2Fixing device and image forming apparatus incorporating sameYOSHIKAWA MASAAKI·Filed 2010·Granted Nov 13, 2012·7 cites·8 claims
- 1791US7983582B2Image forming apparatus and control method thereforRICOH CO LTD·Filed 2009·Granted Jul 19, 2011·12 cites·20 claims
- 1890US8718502B2Fixing device and image forming apparatus incorporating same having a tube which penetrates through a heater and passes infrared rays to a temperature detectorYUASA SHUUTAROH·Filed 2012·Granted May 6, 2014·6 cites·15 claims
- 1990US8385804B2Fixing device and image forming apparatus employing the fixing deviceRICOH CO LTD·Filed 2010·Granted Feb 26, 2013·6 cites·13 claims
- 2089US11353812B2Fixing device and image forming apparatusRICOH CO LTD·Filed 2021·Granted Jun 7, 2022·1 cites·23 claims
- 2189US11003119B2Fixing device and image forming apparatusRICOH CO LTD·Filed 2019·Granted May 11, 2021·1 cites·17 claims
- 2289US9715198B2Fixing device and image forming apparatusHASE TAKAMASA·Filed 2016·Granted Jul 25, 2017·2 cites·27 claims
- 2389US9037008B2Fixing device and image forming apparatus including sameHASE TAKAMASA·Filed 2013·Granted May 19, 2015·4 cites·15 claims
- 2488US10551777B2Fixing device and image forming apparatusRICOH CO LTD·Filed 2018·Granted Feb 4, 2020·1 cites·13 claims
- 2588US8626018B2Fixing unit and image forming apparatusOGAWA TADASHI·Filed 2011·Granted Jan 7, 2014·5 cites·7 claims
- 2688US8406647B2Fixing device including a radiation member to cool a fixing member and a heat conductive memberSHINSHI AKIRA·Filed 2010·Granted Mar 26, 2013·5 cites·8 claims
- 2787US9069304B2Image forming apparatusSESHITA TAKUYA·Filed 2013·Granted Jun 30, 2015·4 cites·18 claims
- 2887US8437675B2Fixing device and image forming apparatus incorporating same having a laminated heater with a flexible heat generation sheetISHII KENJI·Filed 2010·Granted May 7, 2013·5 cites·14 claims
- 2986US11780244B2Heating device, liquid applying apparatus, image forming apparatus, post-processing apparatus, and conveying deviceHASE TAKAMASA·Filed 2020·Granted Oct 10, 2023·1 cites·19 claims
- 3086US10539912B1Image forming apparatusHASE TAKAMASA·Filed 2019·Granted Jan 21, 2020·2 cites·12 claims
- 3185US10209654B2Fixing device and image forming apparatusRICOH CO LTD·Filed 2017·Granted Feb 19, 2019·1 cites·23 claims
- 3285US9207596B2Image forming apparatus including a fixing deviceRICOH CO LTD·Filed 2014·Granted Dec 8, 2015·2 cites·18 claims
- 3385US8953994B2Fixing device and image forming apparatus incorporating sameIWAYA NAOKI·Filed 2012·Granted Feb 10, 2015·3 cites·8 claims
- 3485US8655246B2Fixing device and image forming apparatus incorporating sameTOKUDA TETSUO·Filed 2011·Granted Feb 18, 2014·4 cites·17 claims
- 3584US10935911B2Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the sameRICOH CO LTD·Filed 2017·Granted Mar 2, 2021·1 cites·57 claims
- 3684US8855506B2Image forming apparatusHASE TAKAMASA·Filed 2013·Granted Oct 7, 2014·2 cites·8 claims
- 3783US9874839B2Fixing device and image forming apparatusSAWADA KAZUNARI·Filed 2016·Granted Jan 23, 2018·2 cites·21 claims
- 3883US9008558B2Separator and separation device, fixing device, and image forming apparatus incorporating sameSAITO KAZUYA·Filed 2012·Granted Apr 14, 2015·3 cites·20 claims
- 3982US9285724B2Fixing device and image forming apparatusHASE TAKAMASA·Filed 2014·Granted Mar 15, 2016·1 cites·18 claims
- 4082US8655244B2Fixing device and image forming apparatus incorporating sameHASEGAWA KENICHI·Filed 2010·Granted Feb 18, 2014·3 cites·13 claims
- 4182US8472855B2Fixing device and image forming apparatus incorporating sameSHINSHI AKIRA·Filed 2011·Granted Jun 25, 2013·3 cites·11 claims
- 4282US8447199B2Fixing device and image forming apparatus including sameUENO SATOSHI·Filed 2010·Granted May 21, 2013·3 cites·10 claims
- 4381US9400439B2Toner, developer, and image forming apparatusNAGATA KOUSUKE·Filed 2013·Granted Jul 26, 2016·4 cites·14 claims
- 4481US8583020B2Fixing device and image forming apparatus incorporating sameYOSHIKAWA MASAAKI·Filed 2011·Granted Nov 12, 2013·3 cites·10 claims
- 4581US8401414B2Fixing device and image forming apparatus incorporating sameYOSHIKAWA MASAAKI·Filed 2010·Granted Mar 19, 2013·3 cites·16 claims
- 4680US9366982B2Toner, developer, and image forming apparatusYAMAMOTO ATSUSHI·Filed 2014·Granted Jun 14, 2016·2 cites·9 claims
- 4780US9042799B2Fixing device and image forming apparatusHASE TAKAMASA·Filed 2013·Granted May 26, 2015·1 cites·14 claims
- 4879US8953966B2Fixing device and image forming apparatusHASE TAKAMASA·Filed 2012·Granted Feb 10, 2015·2 cites·20 claims
- 4978US10571834B2Fixing method, image forming method, and image forming apparatusMATSUDA RYOHEI·Filed 2019·Granted Feb 25, 2020·1 cites·10 claims
- 5078US9031485B2Fixing device and endless belt assemblyISHII KENJI·Filed 2013·Granted May 12, 2015·2 cites·18 claims
Showing the top 50 of 145 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Takamasa Hase files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →