Inventor · disambiguated record
Seiichi Banba
Also filed as: BANBA SEIICHI
10 granted patents·4 pending applications·243 citations·filing 1994–2008
91Inventor score
Top patents by PatentIndex Score
14 records- 0191US7646252B2Amplifier for use in radio-frequency bandSANYO ELECTRIC CO·Filed 2007·Granted Jan 12, 2010·25 cites·8 claims
- 0291US6218890B1Switching circuit device and semiconductor deviceSANYO ELECTRIC CO·Filed 1999·Granted Apr 17, 2001·97 cites·20 claims
- 0383US7215196B2Variable impedance circuit, variable gain differential amplifier, multiplier, high-frequency circuit and differential distributed amplifierSANYO ELECTRIC CO·Filed 2004·Granted May 8, 2007·34 cites·9 claims
- 0483US5446425AFloating potential conductor coupled quarter-wavelength coupled line type directional coupler comprising cut portion formed in ground plane conductorATR OPTICAL AND RADIO COMMUNIC·Filed 1994·Granted Aug 29, 1995·41 cites·9 claims
- 0575US7286072B2Analog-to digital converter and analog-to digital conversion apparatusSANYO ELECTRIC CO·Filed 2006·Granted Oct 23, 2007·10 cites·7 claims
- 0674US7768348B2High-frequency circuitSANYO ELECTRIC CO·Filed 2008·Granted Aug 3, 2010·8 cites·14 claims
- 0759US6956435B2Variable gain differential amplifier and multiplication circuitSANYO ELECTRIC CO·Filed 2005·Granted Oct 18, 2005·3 cites·4 claims
- 0857US6933783B2Variable gain differential amplifier and multiplication circuitSANYO ELECTRIC CO·Filed 2004·Granted Aug 23, 2005·7 cites·3 claims
- 0948US5724459AOptical modulation device and fiber optic communication systemSANYO ELECTRIC CO·Filed 1996·Granted Mar 3, 1998·16 cites·20 claims
- 1040US2008136728A1Impedance matching method, a method for manufacturing signal processing circuits and a signal processing circuit and a radio apparatus using the sameBANBA SEIICHI·Filed 2007·Application pending·0 cites
- 1138US2007146062A1Active filer circuit for limiting band of input signalSANYO ELECTRIC CO·Filed 2006·Application pending·0 cites
- 1237US2008248776A1High-frequency circuitBANBA SEIICHI·Filed 2008·Application pending·0 cites
- 1334US6927633B2High frequency circuit with thin film resistorSANYO ELECTRIC CO·Filed 2001·Granted Aug 9, 2005·2 cites·18 claims
- 1433US2003098744A1Variable gain differential amplifier and multiplication circuitFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →