Inventor · disambiguated record
Tetsushi Takahashi
Also filed as: TAKAHASHI TETSUSHI
34 granted patents·2 pending applications·648 citations·filing 1993–2013
98Inventor score
Top patents by PatentIndex Score
36 records- 0196US6140746APiezoelectric thin film, method for producing the same, and ink jet recording head using the thin filmSEIKO EPSON CORP·Filed 1996·Granted Oct 31, 2000·119 cites·31 claims
- 0293US6089701AInk jet recording head having reduced stress concentration near the boundaries of pressure generating chambersSEIKO EPSON CORP·Filed 1997·Granted Jul 18, 2000·75 cites·12 claims
- 0392US6294860B1Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film elementSEIKO EPSON CORP·Filed 1999·Granted Sep 25, 2001·59 cites·19 claims
- 0492US6097133AThin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film elementSEIKO EPSON CORP·Filed 1996·Granted Aug 1, 2000·68 cites·12 claims
- 0591US7381341B2Method of manufacturing liquid jet headSEIKO EPSON CORP·Filed 2005·Granted Jun 3, 2008·13 cites·17 claims
- 0689US6387225B1Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film elementSEIKO EPSON CORP·Filed 1998·Granted May 14, 2002·50 cites·3 claims
- 0782US6869170B2Ink-jet recording head having a vibration plate prevented from being damaged and ink-jet recording apparatus for using the sameSEIKO EPSON CORP·Filed 2001·Granted Mar 22, 2005·23 cites·24 claims
- 0879US6609785B2Ink jet recording head having piezoelectric element and electrode patterned with same shape and without pattern shift therebetweenSEIKO EPSON CORP·Filed 1997·Granted Aug 26, 2003·25 cites·11 claims
- 0979US6019458AInk-jet printing head for improving resolution and decreasing crosstalkSEIKO EPSON CORP·Filed 1996·Granted Feb 1, 2000·33 cites·9 claims
- 1075US7673975B2Ink jet recording head having piezoelectric element and electrode patterned with same shape and without pattern shift therebetweenSEIKO EPSON CORP·Filed 2006·Granted Mar 9, 2010·4 cites·10 claims
- 1175US6543107B1Method of producing a piezoelectric thin filmSEIKO EPSON CORP·Filed 1997·Granted Apr 8, 2003·50 cites·10 claims
- 1273US7318277B2Method of manufacturing a liquid jet headSEIKO EPSON CORP·Filed 2005·Granted Jan 15, 2008·4 cites·15 claims
- 1367US8061813B2Liquid ejecting head and liquid ejecting apparatusMATSUZAWA AKIRA·Filed 2007·Granted Nov 22, 2011·2 cites·7 claims
- 1467USRE39474EMethod of manufacturing an ink jet recording head having reduced stress concentration near the boundaries of the pressure generating chambersSEIKO EPSON CORP·Filed 2002·Granted Jan 23, 2007·9 cites·52 claims
- 1565US7789495B2Liquid ejection head and liquid ejection apparatusSEIKO EPSON CORP·Filed 2007·Granted Sep 7, 2010·2 cites·7 claims
- 1665US6712456B2Ink-jet recording head, manufacturing method of the same and ink-jet recording apparatusSEIKO EPSON CORP·Filed 2001·Granted Mar 30, 2004·9 cites·19 claims
- 1764USRE45057EMethod of manufacturing an ink jet recording head having piezoelectric elementSEIKO EPSON CORP·Filed 2012·Granted Aug 5, 2014·0 cites·8 claims
- 1864US6764167B2Ink-jet recording head inkjet recording apparatusSEIKO EPSON CORP·Filed 2003·Granted Jul 20, 2004·8 cites·14 claims
- 1964US6260960B1Ink jet print head formed through anisotropic wet and dry etchingSEIKO EPSON CORP·Filed 1997·Granted Jul 17, 2001·21 cites·16 claims
- 2063US6315400B1Ink jet recording head and ink jet recorderSEIKO EPSON CORP·Filed 1998·Granted Nov 13, 2001·20 cites·42 claims
- 2161US8757777B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2013·Granted Jun 24, 2014·0 cites·5 claims
- 2261US7354140B2Ink jet recording head having piezoelectric element and electrode patterned with same shape and without pattern shift therebetweenSEIKO EPSON CORP·Filed 2003·Granted Apr 8, 2008·4 cites·5 claims
- 2361US5984459AInk-jet printing head and ink-jet printing apparatus using sameSEIKO EPSON CORP·Filed 1998·Granted Nov 16, 1999·18 cites·24 claims
- 2459US8534800B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2012·Granted Sep 17, 2013·0 cites·7 claims
- 2559US7003857B1Method of producing an ink-jet printing headSEIKO EPSON CORP·Filed 2000·Granted Feb 28, 2006·7 cites·21 claims
- 2657US8342656B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2011·Granted Jan 1, 2013·0 cites·7 claims
- 2755US7827659B2Method of manufacturing an ink jet recording head having piezoelectric elementSEIKO EPSON CORP·Filed 2007·Granted Nov 9, 2010·0 cites·8 claims
- 2854US6692114B2Ink jet recording head and method of manufacturing the same, and ink jet recording apparatusSEIKO EPSON CORP·Filed 2002·Granted Feb 17, 2004·4 cites·7 claims
- 2952US7850288B2Ink jet recording head having piezoelectric element and electrode patterned with same shape and without pattern shift therebetweenSEIKO EPSON CORP·Filed 2006·Granted Dec 14, 2010·0 cites·20 claims
- 3049US7135121B2Ink-jet recording head, manufacturing method of the same and ink-jet recording apparatusSEIKO EPSON CORP·Filed 2004·Granted Nov 14, 2006·3 cites·4 claims
- 3147US5489967AMethod and apparatus for printing images on a stack of recording sheets using pressureSEIKO EPSON CORP·Filed 1993·Granted Feb 6, 1996·7 cites·37 claims
- 3246US6402971B2Ink jet recording head and manufacturing method thereforSEIKO EPSON CORP·Filed 1999·Granted Jun 11, 2002·5 cites·17 claims
- 3343US6126279AInk jet printing head for improving resolution and decreasing crosstalkSEIKO EPSON CORP·Filed 1998·Granted Oct 3, 2000·6 cites·4 claims
- 3442US6910272B2Method of manufacturing an ink jet recording headSEIKO EPSON CORP·Filed 2003·Granted Jun 28, 2005·0 cites·8 claims
- 3536US2002051040A1Ink-jet recording head and ink-jet recording apparatusSEIKO EPSON CORP·Filed 2001·Application pending·0 cites
- 3635US2004134881A1Method of manufacturing liquid jet headSEIKO EPSON CORP·Filed 2003·Application pending·0 cites
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