Inventor · disambiguated record
Masayuki Kumazaki
Also filed as: KUMAZAKI MASAYUKI
17 granted patents·2 pending applications·297 citations·filing 1985–2014
94Inventor score
Top patents by PatentIndex Score
19 records- 0198US7942594B2Ribbon cartridge and printing apparatusSEIKO EPSON CORP·Filed 2006·Granted May 17, 2011·73 cites·9 claims
- 0294US5882130APaper detection device for printerSEIKO EPSON CORP·Filed 1997·Granted Mar 16, 1999·61 cites·19 claims
- 0391US5648807AInk jet recording apparatus having an antismear sheet deformation discharge systemSEIKO EPSON CORP·Filed 1993·Granted Jul 15, 1997·27 cites·2 claims
- 0484US4917512AApparatus for automatically adjusting a gap between a platen and a print headSEIKO EPSON CORP·Filed 1989·Granted Apr 17, 1990·43 cites·17 claims
- 0574US5678488APrinting method and printing apparatusSEIKO EPSON CORP·Filed 1996·Granted Oct 21, 1997·22 cites·8 claims
- 0673US8651603B2Platen gap adjustment mechanism and printerKUMAZAKI MASAYUKI·Filed 2012·Granted Feb 18, 2014·2 cites·20 claims
- 0764US5738457APaper size determining method and printer in which the method is usedSEIKO EPSON CORP·Filed 1995·Granted Apr 14, 1998·22 cites·15 claims
- 0859US9044980B2Platen gap adjustment mechanismSEIKO EPSON CORP·Filed 2014·Granted Jun 2, 2015·0 cites·13 claims
- 0959US5226741APrinting apparatus and method of forward and reverse sheet feeding to prevent skewingSEIKO EPSON CORP·Filed 1992·Granted Jul 13, 1993·15 cites·11 claims
- 1055US5946016APrinter sheet discharge methodSEIKO EPSON CORP·Filed 1997·Granted Aug 31, 1999·6 cites·7 claims
- 1154US9751311B2Fluid ejection deviceSEIKO EPSON CORP·Filed 2014·Granted Sep 5, 2017·0 cites·8 claims
- 1250US6079892AMethod for detecting an end portion of a recording medium in a recording apparatus and end portion detection apparatusSEIKO EPSON CORP·Filed 1996·Granted Jun 27, 2000·9 cites·19 claims
- 1350US4582026AFeed-forward type automatic control systemHITACHI LTD·Filed 1985·Granted Apr 15, 1986·12 cites·8 claims
- 1438USD547363SInk ribbon cartridgeSEIKO EPSON CORP·Filed 2005·Granted Jul 24, 2007·3 cites·1 claims
- 1538US2011127310A1Recording Device And Recording Medium Supply Mechanism For A Recording DeviceSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
- 1636US2011129281A1Recording device and recording medium supply mechanism for a recording deviceSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
- 1732US4680758ASwitching system having tone trunkFUJITSU LTD·Filed 1986·Granted Jul 14, 1987·2 cites·8 claims
- 1830US5785438ARibbon mask for impact dot matrix printedSEIKO EPSON CORP·Filed 1996·Granted Jul 28, 1998·0 cites·9 claims
- 1929US5941523ASheet end detecting deviceSEIKO EPSON CORP·Filed 1998·Granted Aug 24, 1999·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →