Inventor · disambiguated record

Tadahiro Yokogawa

Also filed as: YOKOGAWA TADAHIRO

4 granted patents·41 citations·filing 1997–2006

73Inventor score

Technology areasG03G

Files withMURATA MACHINERY LTD4

Top patents by PatentIndex Score

4 records

0174US5903798AImage recording apparatus having means for applying an optimum voltage to a transfer rollerMURATA MACHINERY LTD·Filed 1997·Granted May 11, 1999·26 cites·12 claims
0272US7274885B2Image forming device having replaceable drum unit and developing unitMURATA MACHINERY LTD·Filed 2005·Granted Sep 25, 2007·5 cites·20 claims
0362US6639617B2Image forming apparatus having a control unit that controls exposure energy and related image forming methodMURATA MACHINERY LTD·Filed 2002·Granted Oct 28, 2003·10 cites·38 claims
0438US7477857B2Developing unit, image forming device, and developing bias control methodMURATA MACHINERY LTD·Filed 2006·Granted Jan 13, 2009·0 cites·10 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →