Inventor · disambiguated record
Hiroshi Tanisawa
Also filed as: TANISAWA HIROSHI
11 granted patents·2 pending applications·182 citations·filing 1999–2015
91Inventor score
Technology areasG03G
Top patents by PatentIndex Score
13 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
- 0383USD464369SToner cartridgeSHARP KK·Filed 2001·Granted Oct 15, 2002·28 cites·1 claims
- 0480US7925182B2Image forming apparatusSHARP KK·Filed 2008·Granted Apr 12, 2011·6 cites·9 claims
- 0579USD463817SDeveloping unit for an image forming apparatusSHARP KK·Filed 2001·Granted Oct 1, 2002·25 cites·1 claims
- 0675USD464370SToner cartridgeSHARP KK·Filed 2001·Granted Oct 15, 2002·20 cites·1 claims
- 0766US6272298B1Developer cartridgeSHARP KK·Filed 2000·Granted Aug 7, 2001·10 cites·12 claims
- 0864US6628910B2Toner cartridge for image forming apparatusSHARP KK·Filed 2002·Granted Sep 30, 2003·9 cites·8 claims
- 0957USD468763SSensitive drum cartridge for an image forming apparatusSHARP KK·Filed 2001·Granted Jan 14, 2003·10 cites·1 claims
- 1050US6347207B1Developing unit and toner replenishing device with conveying apparatusSHARP KK·Filed 1999·Granted Feb 12, 2002·9 cites·14 claims
- 1144US2015063873A1Image forming apparatus and toner cartridgeSHARP KK·Filed 2014·Application pending·0 cites
- 1237US8331828B2Image forming apparatus including a developing device with toner supply passage having a magnetic field formed inside and toner supply control method using the sameTANISAWA HIROSHI·Filed 2009·Granted Dec 11, 2012·0 cites·3 claims
- 1333US2015241814A1Storage, toner passage, and image forming apparatusSHARP KK·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hiroshi Tanisawa 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 →