Inventor · disambiguated record
Toshiya Takahata
Also filed as: TAKAHATA TOSHIYA
23 granted patents·1 pending application·227 citations·filing 1991–2009
96Inventor score
Top patents by PatentIndex Score
24 records- 0184US6146802AToner and development unit and image forming apparatus using the sameSEIKO EPSON CORP·Filed 1999·Granted Nov 14, 2000·26 cites·28 claims
- 0284US6035154AImage forming apparatusSEIKO EPSON CORP·Filed 1998·Granted Mar 7, 2000·37 cites·12 claims
- 0379US5563693AContact transfer device and image forming equipmentSEIKO EPSON CORP·Filed 1994·Granted Oct 8, 1996·22 cites·22 claims
- 0477US5729811AContact transfer device and image forming equipmentSEIKO EPSON CORP·Filed 1996·Granted Mar 17, 1998·25 cites·4 claims
- 0576US6408158B1Intermediate transfer unitSEIKO EPSON CORP·Filed 2000·Granted Jun 18, 2002·11 cites·1 claims
- 0675US6731899B2Intermediate transfer unitSEIKO EPSON CORP·Filed 2002·Granted May 4, 2004·10 cites·13 claims
- 0772US7313343B2Image forming apparatusSEIKO EPSON CORP·Filed 2004·Granted Dec 25, 2007·12 cites·84 claims
- 0867US7187893B2Image transfer unit having an intermediate transfer belt to which a toner image is appliedSEIKO EPSON CORP·Filed 2002·Granted Mar 6, 2007·7 cites·6 claims
- 0961US6223015B1Recording medium carrier system intermediate transfer unitSEIKO EPSON CORP·Filed 1998·Granted Apr 24, 2001·12 cites·9 claims
- 1059US7092660B2Image forming apparatusSEIKO EPSON CORP·Filed 2004·Granted Aug 15, 2006·6 cites·45 claims
- 1159US6358654B1Toner and development unit and image forming apparatus using the sameSEIKO EPSON CORP·Filed 2000·Granted Mar 19, 2002·5 cites·3 claims
- 1257US6856782B2Intermediate transfer unit having a primary and a secondary transfer memberSEIKO EPSON CORP·Filed 2002·Granted Feb 15, 2005·6 cites·2 claims
- 1357US6768880B2Image forming apparatusSEIKO EPSON CORP·Filed 2002·Granted Jul 27, 2004·6 cites·11 claims
- 1456US7340201B2Image formation device, development unit, and computer systemSEIKO EPSON CORP·Filed 2003·Granted Mar 4, 2008·4 cites·50 claims
- 1556US6173139B1Recording medium carrier system having a paper feed unit, a transfer unit, a fixing unit and a paper ejecting unit constructed as independent unitsSEIKO EPSON CORP·Filed 1998·Granted Jan 9, 2001·10 cites·4 claims
- 1653US7929884B2Image forming apparatus, developing unit, and computer systemSEIKO EPSON CORP·Filed 2009·Granted Apr 19, 2011·0 cites·9 claims
- 1752US7646994B2Image forming apparatus developing unit and computer systemSEIKO EPSON CORP·Filed 2003·Granted Jan 12, 2010·4 cites·8 claims
- 1848US5151741AElectrophoretic imaging deviceSEIKO EPSON CORP·Filed 1991·Granted Sep 29, 1992·8 cites·3 claims
- 1947US6957032B2Intermediate transfer unit having a primary transfer member and a secondary transfer rollerSEIKO EPSON CORP·Filed 2002·Granted Oct 18, 2005·2 cites·9 claims
- 2043US6281963B1Image forming apparatusSEIKO EPSON CORP·Filed 1999·Granted Aug 28, 2001·6 cites·21 claims
- 2142US6605401B2Toner and development unit and image forming apparatus using the sameSEIKO EPSON CORP·Filed 2001·Granted Aug 12, 2003·1 cites·4 claims
- 2242US6112038AImage forming apparatus having a stable potential at a first transfer pointSEIKO EPSON CORP·Filed 1999·Granted Aug 29, 2000·6 cites·1 claims
- 2340US7469117B2Image forming apparatus, developing unit, and computer systemSEIKO EPSON CORP·Filed 2003·Granted Dec 23, 2008·1 cites·3 claims
- 2434US2006098223A1Image former and computer systemYOSHIZUKA KEN·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →