Inventor · disambiguated record
Tomotoshi Nakahara
Also filed as: NAKAHARA TOMOTOSHI
36 granted patents·1,370 citations·filing 1992–2008
98Inventor score
Top patents by PatentIndex Score
36 records- 0199US6628908B2Toner supply unit and image forming apparatusRICOH KK·Filed 2001·Granted Sep 30, 2003·175 cites·19 claims
- 0299US6591077B2Image forming apparatus and toner container thereforRICOH KK·Filed 2001·Granted Jul 8, 2003·143 cites·24 claims
- 0399US6507720B2Color image forming apparatus and toner replenishing apparatus each including plural toner containers received in receiving member of setting part and toner containers thereforRICOH KK·Filed 2001·Granted Jan 14, 2003·209 cites·34 claims
- 0499US6393241B1Nozzle having an end portion capable of penetrating into a toner discharging portion included in a toner container that stores powdery tonerRICOH KK·Filed 2000·Granted May 21, 2002·181 cites·53 claims
- 0598US7130558B2Toner supply unit and image forming apparatusRICOH KK·Filed 2005·Granted Oct 31, 2006·32 cites·62 claims
- 0698US6567637B2Apparatus and method for replenishing a developing device with toner while suppressing toner remainingRICOH KK·Filed 2001·Granted May 20, 2003·105 cites·28 claims
- 0798US6501913B2Container, its support structure, and image formation apparatusRICOH KK·Filed 2001·Granted Dec 31, 2002·100 cites·10 claims
- 0897US6898407B2Desktop color image forming apparatus and method of making the sameRICOH KK·Filed 2003·Granted May 24, 2005·61 cites·56 claims
- 0995US7263309B2Desktop color image forming apparatus and method of making the sameRICOH KK·Filed 2005·Granted Aug 28, 2007·15 cites·26 claims
- 1094US6748190B2Apparatus and method for replenishing a developing device with toner while suppressing toner remainingRICOH KK·Filed 2003·Granted Jun 8, 2004·42 cites·28 claims
- 1194US6567643B2Apparatuses for color image formation, tandem color image formation and image formationRICOH KK·Filed 2001·Granted May 20, 2003·38 cites·7 claims
- 1293US7333749B2Desktop color image forming apparatus and method of making the sameRICOH KK·Filed 2007·Granted Feb 19, 2008·10 cites·32 claims
- 1392US7356290B2Toner supply unit and image forming apparatusRICOH KK·Filed 2006·Granted Apr 8, 2008·9 cites·34 claims
- 1491US7289748B2Apparatus and method for replenishing a developing device with toner while suppressing toner remainingRICOH KK·Filed 2005·Granted Oct 30, 2007·10 cites·14 claims
- 1590US7542697B2Toner supply unit and image forming apparatusRICOH KK·Filed 2008·Granted Jun 2, 2009·7 cites·20 claims
- 1690US5541029AMulticolor image forming method preventing mixing of colorsRICOH KK·Filed 1994·Granted Jul 30, 1996·38 cites·9 claims
- 1789US7209689B2Toner supply unit and image forming apparatusRICOH KK·Filed 2003·Granted Apr 24, 2007·20 cites·111 claims
- 1888US6973283B2Color image forming apparatus, and toner replenishing apparatusRICOH KK·Filed 2001·Granted Dec 6, 2005·20 cites·21 claims
- 1987US5640229AImage forming apparatus having a positioning device for a developing unitRICOH KK·Filed 1994·Granted Jun 17, 1997·35 cites·26 claims
- 2083US7088945B2Toner supply unit and image forming apparatusRICOH KK·Filed 2004·Granted Aug 8, 2006·13 cites·60 claims
- 2180US5869213AMulticolor image forming method preventing contamination of toner on an image carrier with toner on a developing carrierRICOH KK·Filed 1994·Granted Feb 9, 1999·23 cites·5 claims
- 2279US6801749B2Apparatuses for color image formation, tandem color image formation and image formationRICOH KK·Filed 2003·Granted Oct 5, 2004·12 cites·20 claims
- 2378US7406283B2Desktop color image forming apparatus and method of making the sameRICOH KK·Filed 2007·Granted Jul 29, 2008·3 cites·9 claims
- 2477US7606521B2Desktop color image forming apparatus and method of making the sameRICOH KK·Filed 2008·Granted Oct 20, 2009·3 cites·19 claims
- 2575US7218880B2Apparatus and method for replenishing a developing device with toner while suppressing toner remainingRICOH KK·Filed 2004·Granted May 15, 2007·10 cites·18 claims
- 2672US7436417B2Color image forming apparatus, and toner replenishing apparatusRICOH KK·Filed 2006·Granted Oct 14, 2008·2 cites·21 claims
- 2772US6493532B2Slide-rotating collar protecting rotatable resin shaftRICOH KK·Filed 2001·Granted Dec 10, 2002·15 cites·11 claims
- 2869US7212764B2Color image forming apparatus, and toner replenishing apparatusRICOH KK·Filed 2004·Granted May 1, 2007·7 cites·40 claims
- 2961US6785504B2Apparatuses for color image formation, tandem color image formation and image formationRICOH KK·Filed 2003·Granted Aug 31, 2004·5 cites·5 claims
- 3057US6766137B2Apparatuses for color image formation, tandem color image formation and image formationRICOH KK·Filed 2003·Granted Jul 20, 2004·4 cites·6 claims
- 3152US7894744B2Color image forming apparatus, and toner replenishing apparatusRICOH CO LTD·Filed 2008·Granted Feb 22, 2011·0 cites·9 claims
- 3252US6795682B2Image forming apparatus including a cleaning unitRICOH KK·Filed 2003·Granted Sep 21, 2004·4 cites·2 claims
- 3351US5258813ADeveloping device for a multicolor image forming apparatus having a toner particle size distribution which prevents mixture of toners of different colorsRICOH KK·Filed 1992·Granted Nov 2, 1993·8 cites·4 claims
- 3450US7457561B2Color image forming apparatus, and toner replenishing apparatusRICOH KK·Filed 2007·Granted Nov 25, 2008·0 cites·27 claims
- 3545US5280362ADigital copier for copying a bicolored document at the same speed as a monocolored documentRICOH KK·Filed 1992·Granted Jan 18, 1994·9 cites·5 claims
- 3644US6879791B2Method of positioning image forming means and positioning jig for the sameRICOH KK·Filed 2003·Granted Apr 12, 2005·2 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →