Inventor · disambiguated record
Tatsumi Ishiwata
Also filed as: ISHIWATA TATSUMI
3 granted patents·1 pending application·30 citations·filing 1981–2012
65Inventor score
Top patents by PatentIndex Score
4 records- 0167US4499384AImage sensing deviceRICOH KK·Filed 1981·Granted Feb 12, 1985·27 cites·17 claims
- 0264US8670145B2Controlling image processing systemASAI TAKAHIRO·Filed 2012·Granted Mar 11, 2014·1 cites·18 claims
- 0349US2009051962A1Controlling image processing systemASAI TAKAHIRO·Filed 2008·Application pending·0 cites
- 0428US4788522AImage sensingRICOH KK·Filed 1985·Granted Nov 29, 1988·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →