Inventor · disambiguated record
Tatsuo Hirono
Also filed as: HIRONO TATSUO
10 granted patents·282 citations·filing 1985–2005
90Inventor score
Files withRICOH KK10
Top patents by PatentIndex Score
10 records- 0196US4682158AGuidance device for manipulation of machineRICOH KK·Filed 1985·Granted Jul 21, 1987·116 cites·4 claims
- 0292US5160969AImage forming apparatus having a separate black developer stored for a color imageRICOH KK·Filed 1991·Granted Nov 3, 1992·52 cites·11 claims
- 0385US5159392AImage forming apparatus for forming an image on one or both sides of a recording mediumRICOH KK·Filed 1991·Granted Oct 27, 1992·34 cites·27 claims
- 0478US4677310APower supply control device for copier having timerRICOH KK·Filed 1985·Granted Jun 30, 1987·24 cites·4 claims
- 0573US5162859AImage forming apparatus capable of creating duplex mixed full color and black/white copies and delivering copy sets on page-sequential orderRICOH KK·Filed 1991·Granted Nov 10, 1992·21 cites·8 claims
- 0666US4799081ACopying system having copying and service program modesRICOH KK·Filed 1987·Granted Jan 17, 1989·15 cites·14 claims
- 0760US5142339AImage recorder with variable fuser nip entry positionRICOH KK·Filed 1991·Granted Aug 25, 1992·12 cites·11 claims
- 0857US7062185B2Image forming apparatus, image processing unit, and image forming method to keep image quality precision of both sides of recording medium, and computer productRICOH KK·Filed 2004·Granted Jun 13, 2006·8 cites·20 claims
- 0942US7787157B2Image reading apparatus, image reading method and image processing apparatusRICOH KK·Filed 2005·Granted Aug 31, 2010·0 cites·8 claims
- 1032US7016636B2Double-sided image forming apparatus and methodRICOH KK·Filed 2003·Granted Mar 21, 2006·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →