Inventor · disambiguated record
Yasutaka Izumi
Also filed as: IZUMI YASUTAKA
4 granted patents·380 citations·filing 1995–2006
84Inventor score
Files withRICOH KK4
Top patents by PatentIndex Score
4 records- 0195US7164516B2Optical scanner and image forming apparatusRICOH KK·Filed 2006·Granted Jan 16, 2007·44 cites·10 claims
- 0295US7106483B2Optical scanner and image forming apparatusRICOH KK·Filed 2004·Granted Sep 12, 2006·71 cites·6 claims
- 0393US5606181AEdge emitting type light emitting diode array headsRICOH KK·Filed 1995·Granted Feb 25, 1997·204 cites·41 claims
- 0492US7271823B2Optical scanner and image forming apparatusRICOH KK·Filed 2004·Granted Sep 18, 2007·61 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →