Inventor · disambiguated record
Nobuo Kasahara
Also filed as: FUNATO HIROYOSHI · KASAHARA NOBUO · TATSUMI SUSUMU
78 granted patents·3,654 citations·filing 1973–2009
99Inventor score
Top patents by PatentIndex Score
78 records- 0199US7603054B2Image forming apparatus, powder supplying unit, toner container, powder container, and method of recycling the powder containerRICOH KK·Filed 2009·Granted Oct 13, 2009·57 cites·13 claims
- 0299US7593674B2Body member of a powder containerRICOH KK·Filed 2007·Granted Sep 22, 2009·60 cites·32 claims
- 0399US7536139B2Powder container for use in an image forming apparatus having an opening which faces horizontallyRICOH KK·Filed 2007·Granted May 19, 2009·60 cites·25 claims
- 0499US7450891B2Developer container for an image forming apparatusRICOH KK·Filed 2005·Granted Nov 11, 2008·58 cites·35 claims
- 0599US7277664B2Image forming device, powder feeding device, toner storage container, powder storage container, and method of recycling the containersRICOH KK·Filed 2003·Granted Oct 2, 2007·104 cites·44 claims
- 0699US7085522B2Developer container for an image forming apparatusRICOH KK·Filed 2005·Granted Aug 1, 2006·45 cites·29 claims
- 0799US7065313B2Developer container, developer replenishing device using the same and image forming apparatus including the sameRICOH KK·Filed 2005·Granted Jun 20, 2006·58 cites·18 claims
- 0899US6628915B2Developer container for an image forming apparatusRICOH KK·Filed 2002·Granted Sep 30, 2003·120 cites·7 claims
- 0999US6628908B2Toner supply unit and image forming apparatusRICOH KK·Filed 2001·Granted Sep 30, 2003·175 cites·19 claims
- 1099US6393241B1Nozzle 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
- 1198US7257348B2Body member of a powder containerRICOH KK·Filed 2007·Granted Aug 14, 2007·29 cites·2 claims
- 1298US7221891B2Body member of a powder containerRICOH KK·Filed 2003·Granted May 22, 2007·90 cites·15 claims
- 1398US7130558B2Toner supply unit and image forming apparatusRICOH KK·Filed 2005·Granted Oct 31, 2006·32 cites·62 claims
- 1498US6542707B2Method and apparatus for image forming capable of effectively transferring various kinds of powderRICOH KK·Filed 2001·Granted Apr 1, 2003·101 cites·71 claims
- 1598US6526246B2Powder replenishing device, powder conveying device, developing apparatus using the same powder replenishing device or powder conveying device, and image forming apparatus using the same powder replenishing device or powder conveying deviceRICOH KK·Filed 2001·Granted Feb 25, 2003·104 cites·68 claims
- 1698US6201941B1Developer container for an image forming apparatus and method of conveying a developerRICOH KK·Filed 1999·Granted Mar 13, 2001·134 cites·38 claims
- 1797US7346299B2Developer container for an image forming apparatusRICOH KK·Filed 2004·Granted Mar 18, 2008·57 cites·34 claims
- 1897US6898405B2Developer container, developer replenishing device using the same and image forming apparatus including the sameRICOH KK·Filed 2003·Granted May 24, 2005·66 cites·32 claims
- 1997US6678492B1Toner container and toner delivery apparatusRICOH KK·Filed 1999·Granted Jan 13, 2004·92 cites·74 claims
- 2097US6628913B2Method and apparatus for replenishing developer with a flexible powder containerRICOH KK·Filed 2001·Granted Sep 30, 2003·87 cites·131 claims
- 2197US6608983B2Toner container and air stream delivering mechanismRICOH KK·Filed 2001·Granted Aug 19, 2003·67 cites·50 claims
- 2297US6571076B2Image forming apparatus and toner container thereforRICOH KK·Filed 2001·Granted May 27, 2003·76 cites·13 claims
- 2397US5987298AImage forming apparatus including a toner recycling mechanismRICOH KK·Filed 1999·Granted Nov 16, 1999·110 cites·12 claims
- 2496US7406278B2Powder container having a lower section with multiple parts which rotatably engage with each otherRICOH KK·Filed 2006·Granted Jul 29, 2008·16 cites·40 claims
- 2596US6112046AImage forming apparatus having recycling of residual tonerRICOH KK·Filed 1998·Granted Aug 29, 2000·141 cites·67 claims
- 2696US5960246AImage forming apparatus with powder pumpRICOH KK·Filed 1997·Granted Sep 28, 1999·87 cites·45 claims
- 2796US5797074AImage forming systemRICOH KK·Filed 1996·Granted Aug 18, 1998·100 cites·32 claims
- 2896US4277162AElectrophotographic apparatus comprising density sensor meansRICOH KK·Filed 1979·Granted Jul 7, 1981·85 cites·15 claims
- 2996US4239374AElectrostatographic apparatus comprising automatic document type determination meansRICOH KK·Filed 1978·Granted Dec 16, 1980·57 cites·19 claims
- 3095US6871034B2Developer container for an image forming apparatusRICOH KK·Filed 2003·Granted Mar 22, 2005·36 cites·26 claims
- 3195US6785496B2Developer container, developing conveying device and image forming apparatus using the sameRICOH KK·Filed 2002·Granted Aug 31, 2004·58 cites·58 claims
- 3294US7542703B2Developing device replenishing a toner or a carrier of a two-ingredient type developer and image forming apparatus including the developing deviceRICOH KK·Filed 2003·Granted Jun 2, 2009·45 cites·45 claims
- 3394US7116928B2Powder discharging device and image forming apparatus using the sameRICOH KK·Filed 2003·Granted Oct 3, 2006·46 cites·25 claims
- 3494US5815784ACleaning device for an image forming apparatus and a toner collecting device thereforRICOH KK·Filed 1996·Granted Sep 29, 1998·70 cites·31 claims
- 3593US6597883B2Powder pump capable of effectively conveying powder and image forming apparatus using powder pumpRICOH KK·Filed 2002·Granted Jul 22, 2003·112 cites·60 claims
- 3692US7356290B2Toner supply unit and image forming apparatusRICOH KK·Filed 2006·Granted Apr 8, 2008·9 cites·34 claims
- 3792US5160969AImage forming apparatus having a separate black developer stored for a color imageRICOH KK·Filed 1991·Granted Nov 3, 1992·52 cites·11 claims
- 3891US5953567AScrew pump, toner conveying device using the same and toner filling systemRICOH KK·Filed 1998·Granted Sep 14, 1999·126 cites·24 claims
- 3990US7542697B2Toner supply unit and image forming apparatusRICOH KK·Filed 2008·Granted Jun 2, 2009·7 cites·20 claims
- 4090US5708949AImage fixing device for image forming apparatusRICOH KK·Filed 1996·Granted Jan 13, 1998·61 cites·21 claims
- 4189US7209689B2Toner supply unit and image forming apparatusRICOH KK·Filed 2003·Granted Apr 24, 2007·20 cites·111 claims
- 4288US7917055B2Toner container including a toner draining unit and a shutter, and corresponding image forming apparatusRICOH CO LTD·Filed 2009·Granted Mar 29, 2011·6 cites·17 claims
- 4388US5204716ASide-free recording apparatusRICOH KK·Filed 1991·Granted Apr 20, 1993·39 cites·12 claims
- 4487US7039346B2Flexible toner container and toner delivery apparatusRICOH KK·Filed 2003·Granted May 2, 2006·19 cites·4 claims
- 4586US6882812B2Image forming apparatus including developing device and developer containing deviceRICOH KK·Filed 2003·Granted Apr 19, 2005·27 cites·12 claims
- 4685US5159392AImage 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
- 4784US7778577B2Developer container for an image forming apparatusRICOH KK·Filed 2008·Granted Aug 17, 2010·4 cites·25 claims
- 4883US7088945B2Toner supply unit and image forming apparatusRICOH KK·Filed 2004·Granted Aug 8, 2006·13 cites·60 claims
- 4983US5032904AColor image processing apparatusRICOH KK·Filed 1990·Granted Jul 16, 1991·64 cites·4 claims
- 5082US7894753B2Developer container including mouth member and image forming apparatus including the sameRICOH CO LTD·Filed 2007·Granted Feb 22, 2011·5 cites·28 claims
Showing the top 50 of 78 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →