Inventor · disambiguated record
Masanao Kunugi
Also filed as: KUNUGI MASANAO
31 granted patents·377 citations·filing 1988–2018
97Inventor score
Top patents by PatentIndex Score
31 records- 0193US7565099B2Developing device and image forming apparatus having a toner-particle bearing roller with a helical groove portionSEIKO EPSON CORP·Filed 2006·Granted Jul 21, 2009·17 cites·16 claims
- 0291US7292797B2Toner quantity measuring device, method of measuring toner quantity and image forming apparatusSEIKO EPSON CORP·Filed 2005·Granted Nov 6, 2007·13 cites·24 claims
- 0387US6907215B2Developing device and image forming apparatus incorporating the sameSEIKO EPSON CORP·Filed 2002·Granted Jun 14, 2005·26 cites·18 claims
- 0486US6875550B2Non-magnetic single-component toner, method of preparing the same, and image forming apparatus using the sameSEIKO EPSON CORP·Filed 2002·Granted Apr 5, 2005·23 cites·12 claims
- 0586US5296266AMethod of preparing microcapsuleSEIKO EPSON CORP·Filed 1991·Granted Mar 22, 1994·33 cites·12 claims
- 0681US6994942B2Non-magnetic single-component toner, method of preparing the same, and image forming apparatus using the sameSEIKO EPSON CORP·Filed 2004·Granted Feb 7, 2006·16 cites·11 claims
- 0779US10344848B2Robot, gear device, and manufacturing method for gear deviceSEIKO EPSON CORP·Filed 2017·Granted Jul 9, 2019·2 cites·9 claims
- 0878US10876255B2Processing device, sheet manufacturing device, processing method, and method for manufacturing sheetSEIKO EPSON CORP·Filed 2018·Granted Dec 29, 2020·1 cites·4 claims
- 0978US4921768AElectrophotographic image formingSEIKO EPSON CORP·Filed 1988·Granted May 1, 1990·22 cites·11 claims
- 1076US6233424B1Image receiving sheet having particular critical surface tension, viscoelastic, and rockwell hardness characteristics and image receiving apparatus using the sameSEIKO EPSON CORP·Filed 1999·Granted May 15, 2001·23 cites·50 claims
- 1174US5336000AThermal transfer type printer and method of rejuvenating an ink sheet employed in the printerSEIKO EPSON CORP·Filed 1993·Granted Aug 9, 1994·33 cites·9 claims
- 1274US5324885ARoller member for an electrophotographic deviceSEIKO EPSON CORP·Filed 1993·Granted Jun 28, 1994·15 cites·25 claims
- 1373US6312788B1Image receiving sheet and image receiving apparatus using the sameSEIKO EPSON CORP·Filed 1997·Granted Nov 6, 2001·22 cites·24 claims
- 1473US4948692ACombination toner and printer utilizing sameSEIKO EPSON CORP·Filed 1988·Granted Aug 14, 1990·18 cites·19 claims
- 1572US5214239AApparatus for forming an electrophotographic image having a novel toner carrierSEIKO EPSON CORP·Filed 1992·Granted May 25, 1993·14 cites·10 claims
- 1671US5053821AElectrophotographic image forming apparatus using photoconductive tonerSEIKO EPSON CORP A CORP OF JAP·Filed 1990·Granted Oct 1, 1991·22 cites·20 claims
- 1769US10036463B2Robot and gear deviceSEIKO EPSON CORP·Filed 2017·Granted Jul 31, 2018·1 cites·9 claims
- 1869US5659858ADeveloping method and systemSEIKO EPSON CORP·Filed 1995·Granted Aug 19, 1997·17 cites·41 claims
- 1967US5438395ADevelopment processSEIKO EPSON CORP·Filed 1991·Granted Aug 1, 1995·12 cites·10 claims
- 2064US10626552B2Processing device, sheet manufacturing apparatus, processing method, and manufacturing method of sheetSEIKO EPSON CORP·Filed 2018·Granted Apr 21, 2020·0 cites·16 claims
- 2164US10538877B2Processing device, sheet manufacturing apparatus, processing method, and sheet manufacturing methodSEIKO EPSON CORP·Filed 2018·Granted Jan 21, 2020·0 cites·13 claims
- 2261US5708941ADeveloping apparatus using non-magnetic spherical toner particlesSEIKO EPSON CORP·Filed 1996·Granted Jan 13, 1998·11 cites·20 claims
- 2357US8401443B2Toner-particle bearing roller, developing device, and image forming apparatusYAMADA YOICHI·Filed 2011·Granted Mar 19, 2013·0 cites·6 claims
- 2457US5424815ADeveloping deviceSEIKO EPSON CORP·Filed 1994·Granted Jun 13, 1995·8 cites·13 claims
- 2555US7135260B2Imaging systemSEIKO EPSON CORP·Filed 2004·Granted Nov 14, 2006·5 cites·9 claims
- 2651US7041423B2Developing method and image forming methodSEIKO EPSON CORP·Filed 2003·Granted May 9, 2006·4 cites·11 claims
- 2750US5766813ADeveloping method and system for transferring toner from a toner carrier member to a latent image carrierSEIKO EPSON CORP·Filed 1996·Granted Jun 16, 1998·9 cites·92 claims
- 2850US5570168ADevelopment processSEIKO EPSON CORP·Filed 1995·Granted Oct 29, 1996·7 cites·22 claims
- 2934US5439769ADeveloping method and systemSEIKO EPSON CORP·Filed 1993·Granted Aug 8, 1995·2 cites·50 claims
- 3033US8087170B2Developing agent carrier manufacturing method, developing agent carrier, developing device and image forming apparatusSAKURAI NOBORU·Filed 2006·Granted Jan 3, 2012·0 cites·18 claims
- 3130US5192636AToner and a process for preparing thereofSEIKO EPSON CORP·Filed 1990·Granted Mar 9, 1993·1 cites·10 claims
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