Inventor · disambiguated record
Hirokatsu Suzuki
Also filed as: SUZUKI HIROKATSU
35 granted patents·3 pending applications·786 citations·filing 1993–2015
98Inventor score
Top patents by PatentIndex Score
38 records- 0199US6366751B1Image forming apparatus including preselected range between charge injection layer and voltage potentialRICOH KK·Filed 2000·Granted Apr 2, 2002·182 cites·57 claims
- 0298US6625409B2Image forming apparatus having a diamond-like structure surface protection layer on a photoconductive layerRICOH KK·Filed 2002·Granted Sep 23, 2003·70 cites·24 claims
- 0397US6654579B2Image forming apparatus including diamond-like or amorphous structure containing hydrogen surface protection layerRICOH KK·Filed 2002·Granted Nov 25, 2003·65 cites·22 claims
- 0496US7620336B2Apparatus and method for fixing an imageRICOH KK·Filed 2005·Granted Nov 17, 2009·21 cites·38 claims
- 0596US6757509B2Image forming apparatusRICOH KK·Filed 2001·Granted Jun 29, 2004·56 cites·10 claims
- 0696US6686946B2Density unevenness suppressing image forming apparatus and methodRICOH KK·Filed 2001·Granted Feb 3, 2004·106 cites·25 claims
- 0795US7212753B2Image forming apparatus and process cartridgeRICOH KK·Filed 2005·Granted May 1, 2007·23 cites·13 claims
- 0893US5937228AImage forming apparatusRICOH KK·Filed 1998·Granted Aug 10, 1999·60 cites·27 claims
- 0992US8385793B2Image forming apparatus preventing gaps between a conveyor belt and transfer sheetRICOH CO LTD·Filed 2010·Granted Feb 26, 2013·8 cites·12 claims
- 1087US8422897B2Image forming apparatusSUZUKI HIROKATSU·Filed 2010·Granted Apr 16, 2013·6 cites·9 claims
- 1187US7627260B2Development apparatus, process cartridge, and image forming apparatusRICOH KK·Filed 2007·Granted Dec 1, 2009·9 cites·21 claims
- 1285US6978109B2Image forming apparatusRICOH KK·Filed 2004·Granted Dec 20, 2005·20 cites·24 claims
- 1384US5970280AImage forming apparatus having a developing bias control unitRICOH KK·Filed 1998·Granted Oct 19, 1999·35 cites·10 claims
- 1483US7835671B2Developing device using two-component developer and image forming apparatus equipped with the developing deviceRICOH CO LTD·Filed 2007·Granted Nov 16, 2010·7 cites·19 claims
- 1581US7884840B2Image forming method and apparatus for transfer and fixing image with one processRICOH CO LTD·Filed 2006·Granted Feb 8, 2011·7 cites·8 claims
- 1680US7577387B2Developing unit having improved agent recovery and supply system and image forming apparatus using the sameRICOH KK·Filed 2006·Granted Aug 18, 2009·6 cites·12 claims
- 1778US8433216B2Image forming apparatusISHIKAKE SATORU·Filed 2011·Granted Apr 30, 2013·3 cites·20 claims
- 1878US7593671B2Developing device, a developing method, a process cartridge and an image forming apparatusRICOH KK·Filed 2006·Granted Sep 22, 2009·6 cites·37 claims
- 1976US9442429B2Image forming apparatus and method of switching collected developer route in image forming apparatusUEDA TETSUTO·Filed 2015·Granted Sep 13, 2016·2 cites·20 claims
- 2074US8126346B2Apparatus and method for fixing an imageYURA JUN·Filed 2009·Granted Feb 28, 2012·4 cites·10 claims
- 2174US7941075B2Image forming apparatus including a cleaner-less image carrier cleaning systemRICOH CO LTD·Filed 2009·Granted May 10, 2011·4 cites·19 claims
- 2273US9026007B2Image forming apparatusBISAIJI TAKASHI·Filed 2012·Granted May 5, 2015·2 cites·17 claims
- 2369US8824922B2Toner container and image forming apparatusSUZUKI HIROKATSU·Filed 2012·Granted Sep 2, 2014·1 cites·19 claims
- 2469US5594768ALaminograph and inspection and repair device using the sameTOSHIBA KK·Filed 1995·Granted Jan 14, 1997·41 cites·38 claims
- 2568US8441065B2Semiconductor device and manufacturing method of the sameSUZUKI HIROKATSU·Filed 2010·Granted May 14, 2013·2 cites·13 claims
- 2667US9042778B2Powder refilling device, process cartridge and image including same, and powder refilling methodSAITOH KAZUYA·Filed 2013·Granted May 26, 2015·1 cites·18 claims
- 2763US9223261B2Image forming apparatus with fixing unit adapted to fix toner including pressure-induced phase transition tonerTAMURA HIROHMI·Filed 2012·Granted Dec 29, 2015·1 cites·9 claims
- 2862US7724394B2Image forming apparatus and image forming method using pseudo half tone processing with different resolutionsRICOH KK·Filed 2004·Granted May 25, 2010·5 cites·27 claims
- 2961US7796920B2Developing unit and image forming apparatus including the sameRICOH KK·Filed 2006·Granted Sep 14, 2010·2 cites·19 claims
- 3055US5501058ACoil packing line equipped with independently reciprocating carriagesKAWASAKI STEEL CO·Filed 1994·Granted Mar 26, 1996·18 cites·5 claims
- 3150US2013149825A1Semiconductor device and manufacturing method of the sameRENESAS ELECTRONICS CORP·Filed 2013·Application pending·0 cites
- 3247US9052643B2Image forming method and image forming apparatus for transforming a toner image into a semi-filmBISAIJI TAKASHI·Filed 2012·Granted Jun 9, 2015·0 cites·8 claims
- 3346US2007138566A1Semiconductor device and manufacturing method of the sameSUZUKI HIROKATSU·Filed 2006·Application pending·0 cites
- 3439US5454003AGas laser oscillatorTOSHIBA KK·Filed 1994·Granted Sep 26, 1995·7 cites·10 claims
- 3534US9316997B2Image forming apparatus that selectively recycles developerUEDA TETSUTO·Filed 2015·Granted Apr 19, 2016·0 cites·19 claims
- 3634US2008124106A1Optical bias control method of insulating toner and image forming apparatusENOKI SHIGEKAZU·Filed 2007·Application pending·0 cites
- 3732US5408490AGas laser deviceTOSHIBA KK·Filed 1993·Granted Apr 18, 1995·3 cites·14 claims
- 3831US5295149AGas laser deviceTOSHIBA KK·Filed 1993·Granted Mar 15, 1994·3 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →