Inventor · disambiguated record
Takayuki Seki
Also filed as: SEKI TAKAYUKI
94 granted patents·5 pending applications·588 citations·filing 1993–2025
99Inventor score
Top patents by PatentIndex Score
99 records- 0196US5915147AImage fixing device, image forming apparatus providing the image fixing device and rotor used in the image fixing device and having induction coil insideRICOH KK·Filed 1998·Granted Jun 22, 1999·122 cites·8 claims
- 0296US5832354AImage fixing device, image forming apparatus providing the image fixing device and rotor used in the image fixing device and having induction coil insideRICOH KK·Filed 1996·Granted Nov 3, 1998·134 cites·35 claims
- 0393US11550249B2Heating device, belt heating device, fixing device, and image forming apparatusRICOH CO LTD·Filed 2019·Granted Jan 10, 2023·4 cites·18 claims
- 0493US9727011B2Image forming apparatus and image forming methodIKEBUCHI YUTAKA·Filed 2016·Granted Aug 8, 2017·5 cites·7 claims
- 0593US9448514B2Image forming apparatus and image forming methodIKEBUCHI YUTAKA·Filed 2014·Granted Sep 20, 2016·7 cites·10 claims
- 0693US8351807B2Fixing unit including heating area adjustor and image forming apparatus using sameRICOH CO LTD·Filed 2009·Granted Jan 8, 2013·14 cites·35 claims
- 0792US9046838B2Fixing device and image forming apparatusARAI YUJI·Filed 2013·Granted Jun 2, 2015·6 cites·23 claims
- 0891US10168653B2Fixing device and image forming apparatus incorporating sameMATSUDA RYOHEI·Filed 2018·Granted Jan 1, 2019·5 cites·6 claims
- 0990US10042295B2Fixing device, image forming apparatus, and image forming methodYOSHINAGA HIROSHI·Filed 2016·Granted Aug 7, 2018·4 cites·16 claims
- 1089US10317823B2Fixing device and image forming apparatus having a thermal conduction aid contacting a nip formation padRICOH CO LTD·Filed 2018·Granted Jun 11, 2019·3 cites·15 claims
- 1189US6690417B1Image processing method, an image processing apparatus, an image input device, a photographing device, a photographing system, a communication device, a communication system, and a storage mediumCANON KK·Filed 1998·Granted Feb 10, 2004·104 cites·21 claims
- 1288US11054773B2Heater, heating device, fixing device, and image forming apparatusFURUICHI YUUSUKE·Filed 2020·Granted Jul 6, 2021·2 cites·20 claims
- 1387US10025247B2Fixing device including a pressure pad with at least one mouth, and image forming apparatus incorporating sameSAWADA KAZUNARI·Filed 2017·Granted Jul 17, 2018·3 cites·16 claims
- 1487US9599940B2Fixing device with nip forming member having a high thermal-conductive layer with a low thermal conductive portionYAMANO MOTOYOSHI·Filed 2015·Granted Mar 21, 2017·4 cites·16 claims
- 1587US9389550B2Fixing device, image forming apparatus, and fixing methodSAITO KAZUYA·Filed 2014·Granted Jul 12, 2016·4 cites·20 claims
- 1685US10197957B2Fixing device, image forming apparatus, and fixing device control methodFUJIMOTO IPPEI·Filed 2018·Granted Feb 5, 2019·2 cites·7 claims
- 1784US10331062B2Image forming apparatus and image forming methodYOSHINAGA HIROSHI·Filed 2017·Granted Jun 25, 2019·2 cites·15 claims
- 1884US10295937B2Fixing device and image forming apparatusSAWADA KAZUNARI·Filed 2017·Granted May 21, 2019·2 cites·20 claims
- 1984US10295939B2Fixing device including a pressure rotator and a thermal conduction aid, and image forming apparatus including the fixing deviceYOSHINAGA HIROSHI·Filed 2017·Granted May 21, 2019·2 cites·16 claims
- 2084US10289037B2Fixing device and image forming apparatusSEKI TAKAYUKI·Filed 2017·Granted May 14, 2019·2 cites·14 claims
- 2184US9989905B2Fixing device and image forming apparatusSEKI TAKAYUKI·Filed 2017·Granted Jun 5, 2018·2 cites·12 claims
- 2284US9529309B2Fixing device and image forming apparatus including a multi-layer nip formation padISHII KENJI·Filed 2014·Granted Dec 27, 2016·3 cites·20 claims
- 2384US9221661B2Pressure adjuster, fixing device, and image forming apparatusMIMBU RYUUICHI·Filed 2014·Granted Dec 29, 2015·3 cites·20 claims
- 2484US9152106B2Fixing device and image forming apparatus including sameYAMAGUCHI YOSHIKI·Filed 2013·Granted Oct 6, 2015·3 cites·16 claims
- 2583US10281850B2Fixing device with nip formation pad having an abutment region and opening portionsMATSUDA RYOHEI·Filed 2018·Granted May 7, 2019·2 cites·9 claims
- 2683US10222732B2Fixing device having a lateral end heater and image forming apparatus incorporating sameSEKI TAKAYUKI·Filed 2017·Granted Mar 5, 2019·2 cites·13 claims
- 2783US10082751B2Fixing device and image forming apparatusSETO TAKASHI·Filed 2017·Granted Sep 25, 2018·2 cites·15 claims
- 2883US9874839B2Fixing device and image forming apparatusSAWADA KAZUNARI·Filed 2016·Granted Jan 23, 2018·2 cites·21 claims
- 2983US9618886B2NIP formation assembly, fixing device, and image forming apparatusSETO TAKASHI·Filed 2015·Granted Apr 11, 2017·2 cites·34 claims
- 3082US11429043B2Image forming apparatus having variabale heat generation statesSEKI TAKAYUKI·Filed 2021·Granted Aug 30, 2022·1 cites·18 claims
- 3181US9618887B2Fixing device and image forming apparatusTAKAGI HIROMASA·Filed 2016·Granted Apr 11, 2017·2 cites·19 claims
- 3280US9291966B2Fixing device and image forming apparatusSHOJI KEITARO·Filed 2014·Granted Mar 22, 2016·2 cites·31 claims
- 3380US6305636B1Web driving deviceRICOH KK·Filed 1999·Granted Oct 23, 2001·27 cites·16 claims
- 3479US9026025B2Fixing device including heating span adjuster, image forming apparatus, and fixing methodMIMBU RYUUICHI·Filed 2014·Granted May 5, 2015·2 cites·14 claims
- 3578US8886090B2Fixing device including an engagement-disengagement unit and image forming apparatus equipped with the fixing deviceKAWATA TEPPEI·Filed 2012·Granted Nov 11, 2014·2 cites·20 claims
- 3677US10488798B2Fixing device with nip former longer than opposed rotatorRICOH CO LTD·Filed 2018·Granted Nov 26, 2019·1 cites·7 claims
- 3777US9164443B2Fixing device and image forming apparatusSHIMOKAWA TOSHIHIKO·Filed 2014·Granted Oct 20, 2015·2 cites·18 claims
- 3877US5970298AFixing method and device with a controllable web system and image forming apparatus incorporating the method device and systemRICOH KK·Filed 1998·Granted Oct 19, 1999·25 cites·20 claims
- 3975US12351420B2Conveyance device, drying device, image forming apparatus, and liquid discharge apparatusASADA KOHKI·Filed 2023·Granted Jul 8, 2025·0 cites·10 claims
- 4075US10241448B2Fixing device and image forming apparatus having nip pad including a center bend lineSAWADA KAZUNARI·Filed 2017·Granted Mar 26, 2019·1 cites·17 claims
- 4174US10042297B2Fixing device and image forming apparatus incorporating sameSAWADA KAZUNARI·Filed 2016·Granted Aug 7, 2018·1 cites·12 claims
- 4274US9651905B2Fixing device and image forming apparatusFUJIMOTO IPPEI·Filed 2016·Granted May 16, 2017·1 cites·13 claims
- 4373US11966178B2Heating device, belt heating device, fixing device, and image forming apparatusRICOH CO LTD·Filed 2022·Granted Apr 23, 2024·0 cites·16 claims
- 4473US9612555B2Fixing device, image forming apparatus, and fixing method for conveying toner imagesYOSHINAGA HIROSHI·Filed 2016·Granted Apr 4, 2017·1 cites·21 claims
- 4573US2025296356A1Treatment-agent liquid applicator and image forming apparatusSEKI TAKAYUKI·Filed 2025·Application pending·0 cites
- 4672US9239559B2Fixing device and image forming apparatus including sameUCHITANI TAKESHI·Filed 2013·Granted Jan 19, 2016·1 cites·22 claims
- 4772US7319484B2Image processing method, an image processing apparatus, an image input device, a photographing device, a photographing system, a communication device, a communication system, and a storage mediumCANON KK·Filed 2003·Granted Jan 15, 2008·9 cites·6 claims
- 4871US9778606B2Fixing device and image forming apparatusSEKI TAKAYUKI·Filed 2016·Granted Oct 3, 2017·1 cites·19 claims
- 4970US9158248B2Fixing device and image forming apparatusARAI YUJI·Filed 2014·Granted Oct 13, 2015·1 cites·17 claims
- 5070US9146508B2Fixing device, image forming apparatus, and fixing methodIMADA TAKAHIRO·Filed 2014·Granted Sep 29, 2015·1 cites·11 claims
Showing the top 50 of 99 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →