Inventor · disambiguated record
Tsutomu Nagata
Also filed as: NAGATA TSUTOMU
21 granted patents·377 citations·filing 1988–2014
96Inventor score
Top patents by PatentIndex Score
21 records- 0189US6385422B1Developing unit equipped with a toner replenishing device configured with a conveying sheet and rotatorSHARP KK·Filed 2000·Granted May 7, 2002·34 cites·16 claims
- 0288US6421517B1Toner supply device with rotatable agitating elementSHARP KK·Filed 2001·Granted Jul 16, 2002·31 cites·28 claims
- 0387US5659859ADeveloper agitating/conveying deviceMITA INDUSTRIAL CO LTD·Filed 1995·Granted Aug 19, 1997·51 cites·10 claims
- 0482US7333746B2Developing device and image forming apparatus provided with sameSHARP KK·Filed 2005·Granted Feb 19, 2008·7 cites·8 claims
- 0581USD464079SToner cartridgeSHARP KK·Filed 2001·Granted Oct 8, 2002·27 cites·1 claims
- 0680US6360066B1Developing apparatus having stirring shafts with elliptic stirring vanesSHARP KK·Filed 2000·Granted Mar 19, 2002·19 cites·8 claims
- 0780US5722002ALatent electrostatic image developing device having a toner concentration detectorMITA INDUSTRIAL CO LTD·Filed 1996·Granted Feb 24, 1998·35 cites·5 claims
- 0879US6675758B2Rotation control apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted Jan 13, 2004·31 cites·43 claims
- 0979US6415126B2Developing unit with agitator and conveying sheet for tonerSHARP KK·Filed 2001·Granted Jul 2, 2002·18 cites·9 claims
- 1077US6567631B2Toner cartridge and image forming apparatusSHARP KK·Filed 2001·Granted May 20, 2003·16 cites·9 claims
- 1173US10150335B2Bearing device for a wheelNTN TOYO BEARING CO LTD·Filed 2014·Granted Dec 11, 2018·4 cites·4 claims
- 1272US7769309B2Image forming apparatus and method with process control for stably forming imagesSHARP KK·Filed 2007·Granted Aug 3, 2010·5 cites·13 claims
- 1372US6711374B2Image apparatus with developing cartridge having two accommodating portionsSHARP KK·Filed 2002·Granted Mar 23, 2004·15 cites·18 claims
- 1471US5510882ADeveloping device having an improved agitation and conveyance deviceMITA INDUSTRIAL CO LTD·Filed 1994·Granted Apr 23, 1996·20 cites·21 claims
- 1566US6272298B1Developer cartridgeSHARP KK·Filed 2000·Granted Aug 7, 2001·10 cites·12 claims
- 1663US4916174ARubber-modified phenolic resin composition and method of manufacturing the sameTOSHIBA KK·Filed 1988·Granted Apr 10, 1990·17 cites·8 claims
- 1761US5216077ARubber-modified phenolic resin composition and method of manufacturing the sameTOSHIBA KK·Filed 1992·Granted Jun 1, 1993·17 cites·4 claims
- 1858US10086649B2Bearing device for wheelNORIMATSU TAKAYUKI·Filed 2014·Granted Oct 2, 2018·1 cites·13 claims
- 1952USD462713SDeveloping unit for an image forming apparatusSHARP KK·Filed 2001·Granted Sep 10, 2002·8 cites·1 claims
- 2050US6347207B1Developing unit and toner replenishing device with conveying apparatusSHARP KK·Filed 1999·Granted Feb 12, 2002·9 cites·14 claims
- 2144US6603940B2Detachable process cartridge for image forming apparatusSHARP KK·Filed 2001·Granted Aug 5, 2003·2 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →