Inventor · disambiguated record
Hajime Shimamura
Also filed as: SHIMAMURA HAJIME
13 granted patents·437 citations·filing 1997–2007
93Inventor score
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13 records- 0197US6377140B1Saw resonator filter with bridged-T configurationOKI ELECTRIC IND CO LTD·Filed 2000·Granted Apr 23, 2002·170 cites·16 claims
- 0295US5905418ASurface-acoustic-wave filters with poles of attenuation created by impedance circuitsOKI ELECTRIC IND CO LTD·Filed 1997·Granted May 18, 1999·97 cites·28 claims
- 0386US6937113B2Branching filter packageOKI ELECTRIC IND CO LTD·Filed 2002·Granted Aug 30, 2005·20 cites·22 claims
- 0486US6222426B1Branching filter with a composite circuit of an LC circuit and a serial arm saw resonatorOKI ELECTRIC IND CO LTD·Filed 1999·Granted Apr 24, 2001·41 cites·11 claims
- 0584USRE37639ESurface-acoustic-wave filters with poles of attenuation created by impedance circuitsOKI ELECTRIC IND CO LTD·Filed 2000·Granted Apr 9, 2002·25 cites·113 claims
- 0682US7479845B2Branching filter packageOKI ELECTRIC IND CO LTD·Filed 2005·Granted Jan 20, 2009·8 cites·16 claims
- 0779US7893794B2Branching filter packageOKI SEMICONDUCTOR CO LTD·Filed 2007·Granted Feb 22, 2011·6 cites·16 claims
- 0878US6870440B2Saw branching filter with a branching filter circuit formed on the packageOKI ELECTRIC IND CO LTD·Filed 2001·Granted Mar 22, 2005·17 cites·13 claims
- 0971US6208223B1Receiving filter of a saw separator with greater electrode interdigitated width in first stage parallel resonatorOKI ELECTRIC IND CO LTD·Filed 1998·Granted Mar 27, 2001·25 cites·14 claims
- 1068US7679472B2Branching filter packageOKI SEMICONDUCTOR CO LTD·Filed 2007·Granted Mar 16, 2010·3 cites·8 claims
- 1168US5949305ASaw filter encapsulated in a ceramic package with capacitance incorporated thereinOKI ELECTRIC IND CO LTD·Filed 1997·Granted Sep 7, 1999·22 cites·7 claims
- 1267US7602263B2Branching filter packageOKI SEMICONDUCTOR CO LTD·Filed 2007·Granted Oct 13, 2009·3 cites·13 claims
- 1351US7859362B2Branching filter packageOKI SEMICONDUCTOR CO LTD·Filed 2007·Granted Dec 28, 2010·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →