Inventor · disambiguated record
Shoichi Ishizawa
Also filed as: ISHIZAWA SHOICHI
32 granted patents·497 citations·filing 1991–2017
97Inventor score
Top patents by PatentIndex Score
32 records- 0196USD333316SPrinter for electronic computerSEIKO EPSON CORP·Filed 1991·Granted Feb 16, 1993·59 cites·1 claims
- 0294US9707768B2Plug member and liquid container unitSEIKO EPSON CORP·Filed 2016·Granted Jul 18, 2017·10 cites·19 claims
- 0393US9707769B2Recording apparatusSEIKO EPSON CORP·Filed 2016·Granted Jul 18, 2017·4 cites·15 claims
- 0492US6538624B1Head-mounted image display apparatusSEIKO EPSON CORP·Filed 2000·Granted Mar 25, 2003·64 cites·3 claims
- 0584US5347630AComputer system having a detachable displaySEIKO EPSON CORP·Filed 1992·Granted Sep 13, 1994·90 cites·18 claims
- 0682USD619166SPrinterSEIKO EPSON CORP·Filed 2009·Granted Jul 6, 2010·29 cites·1 claims
- 0776US5739893AHead-mounted image display apparatusSEIKO EPSON CORP·Filed 1994·Granted Apr 14, 1998·43 cites·38 claims
- 0873USD686212SScannerYAMANO HIROKAZU·Filed 2011·Granted Jul 16, 2013·21 cites·1 claims
- 0970USD343190SPrinter for electronic computerSEIKO EPSON CORP·Filed 1992·Granted Jan 11, 1994·16 cites·1 claims
- 1065USD786345SInk tank capSEIKO EPSON CORP·Filed 2015·Granted May 9, 2017·10 cites·1 claims
- 1164USD363279SHead set with visual display unit and stereophonic headphonesSEIKO EPSON CORP·Filed 1994·Granted Oct 17, 1995·11 cites·1 claims
- 1263US10011118B2Recording apparatusSEIKO EPSON CORP·Filed 2017·Granted Jul 3, 2018·0 cites·8 claims
- 1362US6400351B1Electronic information apparatusSEIKO EPSON CORP·Filed 1996·Granted Jun 4, 2002·37 cites·12 claims
- 1462US5608863APortable computer system having a display housing providing a stacked structure to accommodate display panel, circuit board, rechargeable sheet battery, charging circuit and terminalSEIKO EPSON CORP·Filed 1995·Granted Mar 4, 1997·34 cites·6 claims
- 1561US10118398B2Plug member and liquid container unitSEIKO EPSON CORP·Filed 2017·Granted Nov 6, 2018·0 cites·7 claims
- 1659USD340944SPrinter for an electronic computerSEIKO EPSON CORP·Filed 1992·Granted Nov 2, 1993·9 cites·1 claims
- 1758USD369177SPrinter and computerSEIKO EPSON CORP·Filed 1995·Granted Apr 23, 1996·10 cites·1 claims
- 1854USD818039SPrinterSEIKO EPSON CORP·Filed 2016·Granted May 15, 2018·7 cites·1 claims
- 1951US9676201B2Liquid container and liquid ejection apparatusSEIKO EPSON CORP·Filed 2016·Granted Jun 13, 2017·0 cites·19 claims
- 2049USD751613SCombined container and ink tanks for a printerSEIKO EPSON CORP·Filed 2015·Granted Mar 15, 2016·5 cites·1 claims
- 2147USD780257SInk tank for printerSEIKO EPSON CORP·Filed 2015·Granted Feb 28, 2017·4 cites·1 claims
- 2241US5956017AElectronic information apparatusSEIKO EPSON CORP·Filed 1997·Granted Sep 21, 1999·12 cites·1 claims
- 2341USD377047SPrinting head for printerSEIKO EPSON CORP·Filed 1995·Granted Dec 31, 1996·4 cites·1 claims
- 2439USD784444SInk tank for printerSEIKO EPSON CORP·Filed 2015·Granted Apr 18, 2017·2 cites·1 claims
- 2539USD552097SScannerSEIKO EPSON CORP·Filed 2005·Granted Oct 2, 2007·3 cites·1 claims
- 2637US6411282B1Information processing apparatus having speakers on a display componentSEIKO EPSON CORP·Filed 1997·Granted Jun 25, 2002·8 cites·10 claims
- 2737USD336639SFloppy disk driveSEIKO EPSON CORP·Filed 1991·Granted Jun 22, 1993·2 cites·1 claims
- 2835USD780842SInk tank for printerSEIKO EPSON CORP·Filed 2015·Granted Mar 7, 2017·1 cites·1 claims
- 2935USD780259SInk tank for printerSEIKO EPSON CORP·Filed 2015·Granted Feb 28, 2017·1 cites·1 claims
- 3035USD780258SInk tank for printerSEIKO EPSON CORP·Filed 2015·Granted Feb 28, 2017·1 cites·1 claims
- 3132USD863301SPrinterSEIKO EPSON CORP·Filed 2017·Granted Oct 15, 2019·0 cites·1 claims
- 3232USD862471SPrinterSEIKO EPSON CORP·Filed 2017·Granted Oct 8, 2019·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →