Inventor · disambiguated record
Ritsuo Fujii
Also filed as: FUJII RITSUO
13 granted patents·1 pending application·109 citations·filing 1986–2013
90Inventor score
Files withKONICA MINOLTA BUSINESS TECH7KONISHIROKU PHOTO IND3KONICA MINOLTA INC2KONICA MINOLTA HOLDINGS INC1KONICA MINOTA BUSINESS TECHNOL1
Top patents by PatentIndex Score
14 records- 0186US7403732B2Image forming apparatus equipped with LED printing headKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Jul 22, 2008·13 cites·7 claims
- 0278US5920759ASheet curl correcting mechanism and image forming apparatus having the mechanismKONISHIROKU PHOTO IND·Filed 1997·Granted Jul 6, 1999·30 cites·12 claims
- 0375US7463858B2Fixing device and image forming apparatus with horizontally moving separating clawKONICA MINOTA BUSINESS TECHNOL·Filed 2006·Granted Dec 9, 2008·6 cites·4 claims
- 0473US7092663B2Image forming apparatus and image forming methodKONICA MINOLTA BUSINESS TECH·Filed 2004·Granted Aug 15, 2006·14 cites·6 claims
- 0570US7155149B2Image forming apparatus which detects abnormality condition in feeding of tonerKONICA MINOLTA BUSINESS TECH·Filed 2004·Granted Dec 26, 2006·11 cites·19 claims
- 0665US6829463B2Toner replenishing method with improved storage and separation unitsKONISHIROKU PHOTO IND·Filed 2003·Granted Dec 7, 2004·9 cites·9 claims
- 0763US7280796B2Image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Oct 9, 2007·2 cites·12 claims
- 0858US7062206B2Toner supplying apparatus and image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2004·Granted Jun 13, 2006·6 cites·31 claims
- 0955US9114544B2Cutting device and image forming systemKONICA MINOLTA INC·Filed 2013·Granted Aug 25, 2015·0 cites·6 claims
- 1053US7072606B2Electrophotographic image forming apparatus equipped with toner conveyance deviceKONICA MINOLTA BUSINESS TECH·Filed 2004·Granted Jul 4, 2006·5 cites·4 claims
- 1149US4650176AAutomatic sheet reversing apparatusKONISHIROKU PHOTO IND·Filed 1986·Granted Mar 17, 1987·13 cites·8 claims
- 1242US2013280016A1Cutting device and image forming systemKONICA MINOLTA INC·Filed 2013·Application pending·0 cites
- 1336US7082279B2Toner replenishment device for use in electrophotographic image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2004·Granted Jul 25, 2006·0 cites·10 claims
- 1434US7010251B2Toner conveyance device and image forming apparatus equipped therewithKONICA MINOLTA HOLDINGS INC·Filed 2003·Granted Mar 7, 2006·0 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →