Inventor · disambiguated record
Ryuji Okutomi
Also filed as: OKUTOMI RYUJI
18 granted patents·2 pending applications·174 citations·filing 1998–2009
94Inventor score
Files withKONISHIROKU PHOTO IND7KONICA MINOLTA BUSINESS TECH6KONICA CORP5ISOBE AKIFUMI1UEDA TADAYUKI1
Top patents by PatentIndex Score
20 records- 0194US6911993B2Color image forming apparatus using registration marksKONISHIROKU PHOTO IND·Filed 2003·Granted Jun 28, 2005·40 cites·3 claims
- 0292US7263314B2Electrophotographic image printing apparatusKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Aug 28, 2007·11 cites·2 claims
- 0390US7542058B2Color image forming apparatus using registration marksKONICA CORP·Filed 2005·Granted Jun 2, 2009·9 cites·19 claims
- 0487US7606516B2Image printing apparatusKONICA MINOLTA BUSINESS TECH·Filed 2008·Granted Oct 20, 2009·7 cites·3 claims
- 0584US7392002B2Image forming apparatus and method of image formingKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Jun 24, 2008·8 cites·15 claims
- 0683US7453480B2Color image forming apparatus using registration marksKONICA CORP·Filed 2005·Granted Nov 18, 2008·5 cites·12 claims
- 0782US7876342B2Color image forming apparatus using registration marksKONICA CORP·Filed 2008·Granted Jan 25, 2011·4 cites·13 claims
- 0881US8059145B2Color image forming apparatus and image forming methodUEDA TADAYUKI·Filed 2008·Granted Nov 15, 2011·7 cites·16 claims
- 0979US6839078B2Image forming apparatus which changes clock frequencies in accordance with recording sheet shrinkageKONISHIROKU PHOTO IND·Filed 2003·Granted Jan 4, 2005·21 cites·13 claims
- 1074US7126725B2Image reading apparatus and image forming apparatus equipped therewithKONICA CORP·Filed 2002·Granted Oct 24, 2006·13 cites·12 claims
- 1165US7732947B2Power unit and image forming systemKONICA MINOLTA BUSINESS TECH·Filed 2007·Granted Jun 8, 2010·2 cites·6 claims
- 1265US6725005B2Drive control method of photoreceptor drum and image forming apparatusKONISHIROKU PHOTO IND·Filed 2002·Granted Apr 20, 2004·9 cites·11 claims
- 1364US7079172B2Clock generating circuit and image-forming apparatusKONICA CORP·Filed 2001·Granted Jul 18, 2006·6 cites·6 claims
- 1456US6724161B2Image forming apparatus and control method of motor thereinKONISHIROKU PHOTO IND·Filed 2002·Granted Apr 20, 2004·6 cites·22 claims
- 1556US5895142AImage forming apparatus with sorting functionKONISHIROKU PHOTO IND·Filed 1998·Granted Apr 20, 1999·12 cites·2 claims
- 1654US8103193B2Image forming apparatusISOBE AKIFUMI·Filed 2009·Granted Jan 24, 2012·1 cites·7 claims
- 1749US2007248383A1Electrophotographic image printing apparatusKONICA MINOLTA BUSINESS TECH·Filed 2007·Application pending·0 cites
- 1846US6320674B1Image forming apparatusKONISHIROKU PHOTO IND·Filed 1998·Granted Nov 20, 2001·12 cites·12 claims
- 1942US2009123182A1Image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2008·Application pending·0 cites
- 2040US6801725B2Image forming apparatusKONISHIROKU PHOTO IND·Filed 2003·Granted Oct 5, 2004·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →