Inventor · disambiguated record
Seiichi Osawa
Also filed as: OSAWA SEIICHI
9 granted patents·185 citations·filing 1983–2006
88Inventor score
Top patents by PatentIndex Score
9 records- 0188US5983471AMethod of manufacturing an ink-jet headCITIZEN WATCH CO LTD·Filed 1997·Granted Nov 16, 1999·75 cites·2 claims
- 0279US5761783AInk-jet head manufacturing methodCITIZEN WATCH CO LTD·Filed 1995·Granted Jun 9, 1998·41 cites·5 claims
- 0369US4969333AHeat pump apparatusSANYO ELECTRIC CO·Filed 1989·Granted Nov 13, 1990·27 cites·7 claims
- 0467US6106091AMethod of driving ink-jet head by selective voltage applicationCITIZEN WATCH CO LTD·Filed 1995·Granted Aug 22, 2000·31 cites·21 claims
- 0566US7839458B2Liquid crystal optical element having grouped concentric electrodesCITIZEN HOLDINGS CO LTD·Filed 2006·Granted Nov 23, 2010·1 cites·52 claims
- 0644US6039440AInk-jet headCITIZEN WATCH CO LTD·Filed 1997·Granted Mar 21, 2000·8 cites·5 claims
- 0741USD281077SCore block for printing headCITIZEN WATCH CO LTD·Filed 1983·Granted Oct 22, 1985·2 cites·1 claims
- 0832USD281076SPrinting hammer for dot printerCITIZEN WATCH CO LTD·Filed 1983·Granted Oct 22, 1985·0 cites·1 claims
- 0926USD281080SBase frame for dot printerCITIZEN WATCH CO LTD·Filed 1983·Granted Oct 22, 1985·0 cites·1 claims
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