Inventor · disambiguated record
Tsuyoshi Imamura
Also filed as: IMAMURA TSUYOSHI
36 granted patents·9 pending applications·1,019 citations·filing 1982–2014
98Inventor score
Top patents by PatentIndex Score
45 records- 0199US6522855B1Image forming apparatus and developing apparatus preventing uneven image densityRICOH KK·Filed 2000·Granted Feb 18, 2003·161 cites·38 claims
- 0299US6337957B1Image forming apparatus and developing device with improved self toner density controlRICOH KK·Filed 2000·Granted Jan 8, 2002·191 cites·76 claims
- 0398US6198895B1Developing device with improved developer circulation and toner density controlRICOH KK·Filed 2000·Granted Mar 6, 2001·133 cites·29 claims
- 0497US7212773B2Image forming apparatusRICOH KK·Filed 2004·Granted May 1, 2007·107 cites·22 claims
- 0596US7272342B2Image forming apparatus having a detachable cartridge including a photoconductive drum with axis shaft having a minimal rotational eccentricity, and a method of assembling the image forming apparatusRICOH KK·Filed 2006·Granted Sep 18, 2007·26 cites·14 claims
- 0694US7228093B2Method and apparatus for image forming capable of performing a stable image developmentRICOH KK·Filed 2005·Granted Jun 5, 2007·19 cites·9 claims
- 0785US6330415B1Developing device and magnet roller for developing deviceRICOH KK·Filed 2000·Granted Dec 11, 2001·25 cites·17 claims
- 0884US8535116B2Magnetic particle carrying device, and developing unit, process cartridge, and image forming apparatus using the same, and surface treatment method of the sameABE HIROYA·Filed 2011·Granted Sep 17, 2013·3 cites·8 claims
- 0984US6112042ADeveloping device and developing roller thereforRICOH KK·Filed 1999·Granted Aug 29, 2000·31 cites·5 claims
- 1082US9309650B2Working machine and method of measuring work amount of working machineKOMATSU MFG CO LTD·Filed 2013·Granted Apr 12, 2016·11 cites·8 claims
- 1182US5970294ACylindrical structural body for use in an image forming apparatus and method of producing the sameRICOH KK·Filed 1998·Granted Oct 19, 1999·51 cites·68 claims
- 1280US8023867B2Magnet roller and method for the same, magnetic particle-support member, development device, process cartridge, and image forming apparatusRICOH CO LTD·Filed 2008·Granted Sep 20, 2011·6 cites·17 claims
- 1379US7027761B2Developing device and an image forming apparatus including the sameRICOH KK·Filed 2004·Granted Apr 11, 2006·17 cites·21 claims
- 1477US7356295B2Developer-carrying member having improved transportability, a developing unit, a process cartridge and an image forming apparatusRICOH KK·Filed 2006·Granted Apr 8, 2008·5 cites·21 claims
- 1577US5244741ADeveloping roller of monocomponent developing systemRICOH KK·Filed 1992·Granted Sep 14, 1993·28 cites·2 claims
- 1675US6697593B2Developing device using a developing roller and image forming apparatus including the sameRICOH KK·Filed 2002·Granted Feb 24, 2004·17 cites·6 claims
- 1775US4504617AInorganic filler containing propylene polymer compositionsMITSUBISHI PETROCHEMICAL CO·Filed 1982·Granted Mar 12, 1985·23 cites·22 claims
- 1874US6070038ADeveloping device and developing roller thereforRICOH KK·Filed 1998·Granted May 30, 2000·42 cites·31 claims
- 1969US7891094B2Method of manufacturing a hollow body used in an image forming apparatusRICOH CO LTD·Filed 2009·Granted Feb 22, 2011·4 cites·1 claims
- 2069US7664441B2Developer holding member, development device, process cartridge, image forming apparatus and method of manufacturing hollow bodyRICOH KK·Filed 2007·Granted Feb 16, 2010·4 cites·13 claims
- 2169US5789133ALiquid developerNIPPON PAINT CO LTD·Filed 1997·Granted Aug 4, 1998·22 cites·8 claims
- 2265US7366454B2Long magnet, production method thereof, magnet roller and image forming deviceRICOH KK·Filed 2004·Granted Apr 29, 2008·8 cites·38 claims
- 2362US7352983B2Development magnet roller, development device, process cartridge and image forming apparatusRICOH KK·Filed 2004·Granted Apr 1, 2008·8 cites·52 claims
- 2459US7127199B2Developing device and process cartridge with predetermined magnetic force for an image forming apparatusRICOH KK·Filed 2003·Granted Oct 24, 2006·8 cites·60 claims
- 2558US7899374B2Magnetic particle carrying device, and developing unit, process cartridge, and image forming apparatus using the same, and surface treatment method of the sameRICOH CO LTD·Filed 2008·Granted Mar 1, 2011·1 cites·7 claims
- 2657US7203450B2Developing roller, developing apparatus, process cartridge, and image formation apparatusRICOH KK·Filed 2004·Granted Apr 10, 2007·6 cites·16 claims
- 2756US8500615B2Magnetic roller and manufacturing method thereof, developer carrier, development device, processing cartridge, and image forming apparatusIMAMURA TSUYOSHI·Filed 2008·Granted Aug 6, 2013·2 cites·14 claims
- 2856US5340891AContinuous polymerization method and apparatusNIPPON PAINT CO LTD·Filed 1993·Granted Aug 23, 1994·14 cites·8 claims
- 2953US7189338B2Image forming apparatus and developing device thereforRICOH KK·Filed 2003·Granted Mar 13, 2007·5 cites·11 claims
- 3052US2009035476A1Method for Forming Coating FilmNIPPON PAINT CO LTD·Filed 2008·Application pending·0 cites
- 3151US4552689AElectrically conductive inorganic filler containing propylene polymer compositionsMITSUBISHI PETROCHEMICAL CO·Filed 1984·Granted Nov 12, 1985·9 cites·4 claims
- 3249US5470539AContinuous polymerization method and apparatusNIPPON PAINT CO LTD·Filed 1994·Granted Nov 28, 1995·10 cites·6 claims
- 3347US8175501B2Development roller including a development sleeve, surface treatment device that treats an outer surface of the development sleeve and wire member that roughens the outer surface of the development sleeveKAMIYA NORIYUKI·Filed 2011·Granted May 8, 2012·0 cites·9 claims
- 3445US7572388B2Magnet compound material to be compression molded, a molded elongate magnetic, a magnet roller, a developing agent-carrying body, a developing apparatus and an image-forming apparatusRICOH KK·Filed 2006·Granted Aug 11, 2009·0 cites·9 claims
- 3543US5603986AMethod of preparing microcapsulesNIPPON PAINT CO LTD·Filed 1995·Granted Feb 18, 1997·9 cites·10 claims
- 3641US5536771AAqueous crosslinked polymer particles and their productionNIPPON PAINT CO LTD·Filed 1993·Granted Jul 16, 1996·5 cites·8 claims
- 3741US2016259316A1Management system for work machine, management method for work machine, and work machineKOMATSU MFG CO LTD·Filed 2014·Application pending·0 cites
- 3840US2007059047A1Development roller, surface treatment device and wire memberKAMIYA NORIYUKI·Filed 2006·Application pending·0 cites
- 3940US2008232865A1Magnet roller, developing agent carrier, developing unit, process cartridge and image forming apparatus using sameTERASHIMA MIEKO·Filed 2008·Application pending·0 cites
- 4039US5700862AAqueous coating compositionNIPPON PAINT CO LTD·Filed 1995·Granted Dec 23, 1997·8 cites·9 claims
- 4139US2006281854A1Cissing inhibitor for cationic electrodeposition coating composition and coating composition containing the sameIMAMURA TSUYOSHI·Filed 2006·Application pending·0 cites
- 4238US2007127952A1Development device, process cartridge and image forming apparatusTERASHIMA MIEKO·Filed 2006·Application pending·0 cites
- 4338US2005031374A1Image forming apparatus having a detachable cartridge including a photoconductive drum with axis shaft having a minimal rotational eccentricity, and a method of assembling the image forming apparatusFiled 2004·Application pending·0 cites
- 4434US2006121204A1Water-based intercoating composition and method of forming multilayered coating filmNAKAE YASUKIHO·Filed 2005·Application pending·0 cites
- 4533US2013156972A1Lustrous electromagnetic wave transmissive coating film, electromagnetic wave transmissive coating material composition for forming this film, and method of forming electromagnetic wave transmissive coating film therewithYANAGIMOTO HIROSHI·Filed 2011·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Tsuyoshi Imamura files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →