Assignee

SUGIYAMA Ryohhei

JP·4 granted patents·2 citations·filing 2016–2023

Technology mixG03G4

Top patents by PatentIndex Score

4 records

0182US10191423B2Image forming apparatus including a fixing deviceSUGIYAMA Ryohhei·Filed 2017·Granted Jan 29, 2019·2 cites·18 claims
0263US12124194B2Heating device, fixing device, and image forming apparatusSUGIYAMA Ryohhei·Filed 2023·Granted Oct 22, 2024·0 cites·16 claims
0355US11703783B2Fixing device and image forming apparatusSUGIYAMA Ryohhei·Filed 2022·Granted Jul 18, 2023·0 cites·14 claims
0446US10401766B2Image forming apparatus and image forming method with temperature and power-based productivity rate selectionSUGIYAMA Ryohhei·Filed 2016·Granted Sep 3, 2019·0 cites·24 claims

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