Inventor · disambiguated record
Ryohei Matsuda
Also filed as: MATSUDA RYOHEI
22 granted patents·3 pending applications·29 citations·filing 2016–2025
91Inventor score
Technology areasG03G
Top patents by PatentIndex Score
25 records- 0191US10168653B2Fixing device and image forming apparatus incorporating sameMATSUDA RYOHEI·Filed 2018·Granted Jan 1, 2019·5 cites·6 claims
- 0291US9804546B2Fixing device and image forming apparatusSAITO KAZUYA·Filed 2016·Granted Oct 31, 2017·5 cites·18 claims
- 0390US11662678B2Fixing device with controlled heating and image forming apparatusMATSUDA RYOHEI·Filed 2021·Granted May 30, 2023·2 cites·11 claims
- 0487US10025247B2Fixing 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
- 0585US10197957B2Fixing device, image forming apparatus, and fixing device control methodFUJIMOTO IPPEI·Filed 2018·Granted Feb 5, 2019·2 cites·7 claims
- 0684US10295939B2Fixing 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
- 0783US10281850B2Fixing device with nip formation pad having an abutment region and opening portionsMATSUDA RYOHEI·Filed 2018·Granted May 7, 2019·2 cites·9 claims
- 0883US10222732B2Fixing device having a lateral end heater and image forming apparatus incorporating sameSEKI TAKAYUKI·Filed 2017·Granted Mar 5, 2019·2 cites·13 claims
- 0983US10082751B2Fixing device and image forming apparatusSETO TAKASHI·Filed 2017·Granted Sep 25, 2018·2 cites·15 claims
- 1081US10067449B2Fixing device and image forming apparatusMATSUDA RYOHEI·Filed 2016·Granted Sep 4, 2018·2 cites·24 claims
- 1178US10571834B2Fixing method, image forming method, and image forming apparatusMATSUDA RYOHEI·Filed 2019·Granted Feb 25, 2020·1 cites·10 claims
- 1277US10488798B2Fixing device with nip former longer than opposed rotatorRICOH CO LTD·Filed 2018·Granted Nov 26, 2019·1 cites·7 claims
- 1374US2025321521A1Heating device, fixing device, and image forming apparatusSHIMOKAWA TOSHIHIKO·Filed 2025·Application pending·0 cites
- 1471US12422766B2Fixing device and image forming apparatus incorporating sameYOSHINAGA HIROSHI·Filed 2024·Granted Sep 23, 2025·0 cites·8 claims
- 1565US12353150B2Fixing device and image forming apparatusYOSHINAGA HIROSHI·Filed 2023·Granted Jul 8, 2025·0 cites·10 claims
- 1665US12197150B2Fixing device and image forming apparatus incorporating the sameMATSUDA RYOHEI·Filed 2023·Granted Jan 14, 2025·0 cites·12 claims
- 1756US10895834B2Fixing device, and image forming apparatusMATSUDA RYOHEI·Filed 2020·Granted Jan 19, 2021·0 cites·18 claims
- 1855US2025208548A1Fixing device and image forming apparatusMATSUDA RYOHEI·Filed 2024·Application pending·0 cites
- 1954US12164249B2Fixing device and image forming apparatus incorporating sameMATSUDA RYOHEI·Filed 2023·Granted Dec 10, 2024·0 cites·20 claims
- 2054US2024361715A1Heating device, fixing device, and image forming apparatusYAMAGUCHI YOSHIKI·Filed 2024·Application pending·0 cites
- 2151US11287767B2Fixing device and image forming apparatus incorporating sameRICOH CO LTD·Filed 2020·Granted Mar 29, 2022·0 cites·8 claims
- 2248US11054775B2Fixing device and image forming apparatus incorporating sameMATSUDA RYOHEI·Filed 2020·Granted Jul 6, 2021·0 cites·8 claims
- 2342US10061235B2Fixing device and image forming apparatusSHOJI KEITARO·Filed 2016·Granted Aug 28, 2018·0 cites·9 claims
- 2440US10152006B2Fixing device and image forming apparatusISHIGAYA YASUNORI·Filed 2016·Granted Dec 11, 2018·0 cites·19 claims
- 2538US9753417B2Fixing device including outlet guide member and image forming apparatus thereofYAMAGUCHI YOSHIKI·Filed 2016·Granted Sep 5, 2017·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →