Inventor · disambiguated record
Setsuo Soga
Also filed as: SOGA SETSUO
21 granted patents·641 citations·filing 1975–2007
97Inventor score
Top patents by PatentIndex Score
21 records- 0198US7313353B2Fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unitRICOH KK·Filed 2006·Granted Dec 25, 2007·87 cites·33 claims
- 0298US7127204B2Belt fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unitRICOH KK·Filed 2004·Granted Oct 24, 2006·101 cites·19 claims
- 0395US7273688B2Image forming method and image forming apparatus for sameRICOH KK·Filed 2006·Granted Sep 25, 2007·15 cites·8 claims
- 0495US6496666B2Image forming apparatus and method having an improved heating mechanism in fixing deviceRICOH KK·Filed 2001·Granted Dec 17, 2002·78 cites·22 claims
- 0593US4074001AFixing roll for electrophotographySHINETSU CHEMICAL CO·Filed 1976·Granted Feb 14, 1978·48 cites·7 claims
- 0692US4172976AHeat roller fixing apparatusRICOH KK·Filed 1977·Granted Oct 30, 1979·30 cites·2 claims
- 0791US4284875AHeat roller fixing apparatusRICHO COMPANY LTD·Filed 1979·Granted Aug 18, 1981·28 cites·11 claims
- 0887US7162187B2Image forming apparatus and image forming methodRICOH KK·Filed 2004·Granted Jan 9, 2007·25 cites·12 claims
- 0987US7125638B2Image forming method and image forming apparatus for sameRICOH KK·Filed 2004·Granted Oct 24, 2006·21 cites·31 claims
- 1084US5678153AFixing apparatus comprising a cleaning roller having a coated layer of polyimide and polytetrafluoroethyleneRICOH KK·Filed 1995·Granted Oct 14, 1997·39 cites·5 claims
- 1182US4987457AFixing method for a wet process copierRICOH KK·Filed 1990·Granted Jan 22, 1991·29 cites·5 claims
- 1281US7515860B2Image forming method and image forming apparatus for sameRICOH KK·Filed 2007·Granted Apr 7, 2009·4 cites·5 claims
- 1378US5873017AImage forming apparatusRICOH KK·Filed 1997·Granted Feb 16, 1999·24 cites·13 claims
- 1472US3992089AReader-printer apparatus with multiple supply rolls and charging devicesRICOH KK·Filed 1975·Granted Nov 16, 1976·15 cites·17 claims
- 1570US6067435AImage forming apparatusRICOH KK·Filed 1998·Granted May 23, 2000·18 cites·6 claims
- 1665US4951160AImage reproducing apparatusRICOH KK·Filed 1989·Granted Aug 21, 1990·20 cites·16 claims
- 1763US4977308AHeat roller type fixing device and method of producing the sameRICOH KK·Filed 1988·Granted Dec 11, 1990·12 cites·2 claims
- 1862US4934930AHeat roller fixing device and image fixing methodRICOH KK·Filed 1988·Granted Jun 19, 1990·10 cites·5 claims
- 1961US5679462AFixing apparatusRICOH KK·Filed 1995·Granted Oct 21, 1997·19 cites·12 claims
- 2056US4813868AImage fixing methodRICOH KK·Filed 1987·Granted Mar 21, 1989·8 cites·6 claims
- 2153US5128110AOzone removing device for image forming equipmentRICOH KK·Filed 1991·Granted Jul 7, 1992·10 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →