Inventor · disambiguated record
Masami Murai
Also filed as: MURAI MASAMI
55 granted patents·9 pending applications·1,579 citations·filing 1984–2010
99Inventor score
Top patents by PatentIndex Score
64 records- 0198US6031201ALaser machining apparatus with rotatable phase gratingSEIKO EPSON CORP·Filed 1997·Granted Feb 29, 2000·189 cites·5 claims
- 0296US6635850B2Laser machining method for precision machiningSEIKO EPSON CORP·Filed 2002·Granted Oct 21, 2003·76 cites·14 claims
- 0396US6140746APiezoelectric 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
- 0496US5815652AComputer management systemHITACHI LTD·Filed 1996·Granted Sep 29, 1998·279 cites·20 claims
- 0593US6705708B2Piezoelectric thin-film element, ink-jet head using the same, and method for manufacture thereofSEIKO ESPON CORP·Filed 2002·Granted Mar 16, 2004·38 cites·8 claims
- 0692US6013970APiezoelectric thin-film device process for manufacturing the same, and ink-jet recording head using the sameSEIKO EPSON CORP·Filed 1997·Granted Jan 11, 2000·66 cites·10 claims
- 0791US6494567B2Piezoelectric element and manufacturing method and manufacturing device thereofSEIKO EPSON CORP·Filed 2001·Granted Dec 17, 2002·45 cites·20 claims
- 0890US6599757B1Method for manufacturing ferroelectric thin film device, ink jet recording head, and ink jet printerSEIKO EPSON CORP·Filed 1999·Granted Jul 29, 2003·44 cites·22 claims
- 0989US6103072APiezoelectric thin-film device, process for manufacturing the same, and ink-jet recording head using the sameSEIKO EPSON CORP·Filed 1998·Granted Aug 15, 2000·57 cites·8 claims
- 1087US8167481B2Timepiece wheel train and timepieceTAKEUCHI MASAO·Filed 2010·Granted May 1, 2012·9 cites·7 claims
- 1186US7479728B2Piezoelectric element, method of manufacturing the same, liquid-jet head, method of manufacturing the same, and liquid-jet apparatusSEIKO EPSON CORP·Filed 2006·Granted Jan 20, 2009·8 cites·3 claims
- 1284US6767085B2Method for manufacturing ferroelectric thin film device, ink jet recording head, and ink jet printerSEIKO EPSON CORP·Filed 2002·Granted Jul 27, 2004·19 cites·4 claims
- 1384US6376799B1Laser machining apparatus with a rotatable phase gratingSEIKO EPSON CORP·Filed 1999·Granted Apr 23, 2002·38 cites·6 claims
- 1484US6199180B1Computer management systemHITACHI LTD·Filed 1999·Granted Mar 6, 2001·84 cites·6 claims
- 1582US7089451B2Computer management systemHITACHI LTD·Filed 2001·Granted Aug 8, 2006·26 cites·12 claims
- 1682US6044476AComputer management systemHITACHI LTD·Filed 1998·Granted Mar 28, 2000·78 cites·12 claims
- 1780US5984458APiezoelectric thin-film element and ink-jet recording head using the sameSEIKO EPSON CORP·Filed 1996·Granted Nov 16, 1999·39 cites·17 claims
- 1878US6158847ALaminated ink-jet recording head, a process for production thereof and a printer equipped with the recording headSEIKO EPSON CORP·Filed 1996·Granted Dec 12, 2000·29 cites·25 claims
- 1977US7254877B2Method for the manufacture of a piezoelectric elementSEIKO EPSON CORP·Filed 2006·Granted Aug 14, 2007·6 cites·4 claims
- 2077US6758554B2Liquid jetting head, method of manufacturing the same, and liquid jetting apparatus incorporating the sameSEIKO EPSON CORP·Filed 2002·Granted Jul 6, 2004·15 cites·11 claims
- 2177US6398349B1Piezoelectric device, ink-jet printing head, and method for manufacturing same, and printerSEIKO EPSON CORP·Filed 1999·Granted Jun 4, 2002·34 cites·14 claims
- 2276US6883901B2Piezoelectric element, liquid jetting head, and method for manufacturing thereofSEIKO EPSON CORP·Filed 2003·Granted Apr 26, 2005·13 cites·5 claims
- 2376US6880920B2Electromechanical transducer with an adhesive layer and an anti-diffusion layerSEIKO EPSON CORP·Filed 2001·Granted Apr 19, 2005·11 cites·9 claims
- 2476US6767086B2Method for manufacturing ferroelectric thin film device, ink jet recording head, and ink jet printerSEIKO EPSON CORP·Filed 2002·Granted Jul 27, 2004·10 cites·5 claims
- 2573US7320163B2Method of manufacturing an actuator deviceSEIKO EPSON CORP·Filed 2005·Granted Jan 22, 2008·4 cites·7 claims
- 2672US7279823B2Piezoelectric actuator and liquid jet headSEIKO EPSON CORP·Filed 2003·Granted Oct 9, 2007·13 cites·6 claims
- 2772US6332254B1Process for producing a laminated ink-jet recording headSEIKO EPSON CORP·Filed 1999·Granted Dec 25, 2001·23 cites·11 claims
- 2870US7083269B2Piezoelectric element, liquid jetting head, and method for manufacturing thereofSEIKO EPSON CORP·Filed 2003·Granted Aug 1, 2006·10 cites·8 claims
- 2970US6955927B2Method for manufacturing ferroelectric thin film device, ink jet recording head and ink jet printerSEIKO EPSON CORP·Filed 2004·Granted Oct 18, 2005·7 cites·3 claims
- 3070US6767084B2Ink-jet recording head and ink-jet recording apparatusSEIKO EPSON CORP·Filed 2002·Granted Jul 27, 2004·13 cites·26 claims
- 3170US6147438APiezoelectric film element and manufacturing method thereof, and ink jet recording headSEIKO EPSON CORP·Filed 1998·Granted Nov 14, 2000·24 cites·13 claims
- 3269US7268472B2Piezoelectric device, liquid jetting head, ferroelectric device, electronic device and methods for manufacturing these devicesSEIKO EPSON CORP·Filed 2003·Granted Sep 11, 2007·12 cites·28 claims
- 3368US6987349B2Piezoelectric thin film element, manufacturing method thereof, and liquid ejecting head and liquid ejecting apparatus employing sameSEIKO EPSON CORP·Filed 2002·Granted Jan 17, 2006·9 cites·9 claims
- 3467US6779878B2Piezoelectronic actuator and liquid jetting headSEIKO EPSON CORP·Filed 2002·Granted Aug 24, 2004·10 cites·18 claims
- 3567US6499837B2Piezoelectric element and manufacturing method and manufacturing device thereofSEIKO EPSON CORP·Filed 2002·Granted Dec 31, 2002·9 cites·26 claims
- 3666US7514854B2Piezoelectric element, liquid-jet head using piezoelectric element and liquid-jet apparatusSEIKO EPSON CORP·Filed 2006·Granted Apr 7, 2009·2 cites·17 claims
- 3765US6739703B2Piezoelectric actuator and liquid discharge headSEIKO EPSON CORP·Filed 2002·Granted May 25, 2004·9 cites·10 claims
- 3865US4675814AMethod of switching operating systems for a data processing systemHITACHI LTD·Filed 1984·Granted Jun 23, 1987·33 cites·10 claims
- 3963US7226151B2Piezoelectric element, liquid ejection head and process for manufacturing themSEIKO EPSON CORP·Filed 2003·Granted Jun 5, 2007·8 cites·7 claims
- 4060US7708389B2Liquid ejection headSEIKO EPSON CORP·Filed 2003·Granted May 4, 2010·7 cites·9 claims
- 4160US6813831B2Liquid jetting head, method of manufacturing the same, and liquid jetting apparatus incorporating the sameSEIKO EPSON CORP·Filed 2004·Granted Nov 9, 2004·6 cites·9 claims
- 4259US7562451B2Method of manufacturing actuator device for ink jet headSEIKO EPSON CORP·Filed 2004·Granted Jul 21, 2009·7 cites·9 claims
- 4359US6730524B2Method for manufacturing ferroelectric thin film device, ink jet recording head, and ink jet printerSEIKO EPSON CORP·Filed 2002·Granted May 4, 2004·4 cites·14 claims
- 4458US7291520B2Piezoelectric element and liquid jet head using the piezoelectric elementSEIKO EPSON CORP·Filed 2003·Granted Nov 6, 2007·6 cites·6 claims
- 4555US7328490B2Method for manufacturing a liquid jetting headSEIKO EPSON CORP·Filed 2004·Granted Feb 12, 2008·4 cites·4 claims
- 4653US7065847B2Method for the manufacture of a piezoelectric elementSEIKO EPSON CORP·Filed 2004·Granted Jun 27, 2006·3 cites·3 claims
- 4753US6925712B2Method of fabricating a liquid-jet headSEIKO EPSON CORP·Filed 2004·Granted Aug 9, 2005·4 cites·16 claims
- 4852US7411339B2Manufacturing method of actuator device and liquid jet apparatus provided with actuator device formed by manufacturing method of the sameSEIKO EPSON CORP·Filed 2004·Granted Aug 12, 2008·4 cites·7 claims
- 4952US2008123475A1Timepiece component and timepiece having the timepiece componentSEIKO EPSON CORP·Filed 2007·Application pending·0 cites
- 5051US2006124456A1Sputtering target, method for producing sputtering target, sputtering apparatus, and liquid-jet headSEIKO EPSON CORP·Filed 2005·Application pending·0 cites
Showing the top 50 of 64 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →