Inventor · disambiguated record
Toshifumi Nakatani
Also filed as: NAKATANI TOSHIFUMI
62 granted patents·7 pending applications·886 citations·filing 1986–2013
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD43PANASONIC CORP10ALPS ELECTRIC CO LTD9NAKATANI TOSHIFUMI3MATSUSHITA ELECTRONICS CORP1
Top patents by PatentIndex Score
69 records- 0197US6900705B2Balanced high-frequency device and balance-characteristics improving method and balanced high-frequency circuit using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 31, 2005·109 cites·20 claims
- 0296US6927664B2Mutual induction circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Aug 9, 2005·66 cites·23 claims
- 0394US6717998B2Frequency synthesizer apparatus equipped with fraction part control circuit, communication apparatus, frequency modulator apparatus, and frequency modulating methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 6, 2004·53 cites·14 claims
- 0493US4900981AFlat-shaped display apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Feb 13, 1990·59 cites·14 claims
- 0590US6870241B2High frequency switch circuit deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Mar 22, 2005·59 cites·27 claims
- 0688US7110486B2Frequency synthesizer apparatus equipped with fraction part control circuit, communication apparatus, frequency modulator apparatus, and frequency modulating methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Sep 19, 2006·14 cites·1 claims
- 0785US7710181B2Variable attenuator and wireless communication devicePANASONIC CORP·Filed 2008·Granted May 4, 2010·15 cites·10 claims
- 0885US7176768B2Balanced high-frequency device and balanced high-frequency circuit using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Feb 13, 2007·12 cites·18 claims
- 0984US7109793B2High frequency differential circuit, differential amplifier, differential mixer, differential oscillator, and radio circuit using sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Sep 19, 2006·32 cites·27 claims
- 1084US7050525B2Frequency synthesizer apparatus equipped with fraction part control circuit, communication apparatus, frequency modulator apparatus, and frequency modulating methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 23, 2006·25 cites·1 claims
- 1184US6903459B2High frequency semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jun 7, 2005·37 cites·34 claims
- 1283US6664882B2High-Q inductor for high frequencyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 16, 2003·28 cites·2 claims
- 1381US4887000AElectron beam generation apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Dec 12, 1989·24 cites·11 claims
- 1479US8175199B2Wireless receiverNAKATANI TOSHIFUMI·Filed 2006·Granted May 8, 2012·11 cites·24 claims
- 1579US8050639B2Multi-antenna communication apparatusPANASONIC CORP·Filed 2007·Granted Nov 1, 2011·7 cites·13 claims
- 1679US7383034B2Frequency conversion circuit, modulation circuit, polar modulation transmitting circuit, quadrature modulation transmitting circuit, communication instrument, and frequency conversion methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jun 3, 2008·8 cites·18 claims
- 1779US7245890B2High frequency variable gain amplification device, control device, high frequency variable gain frequency-conversion device, and communication deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jul 17, 2007·19 cites·15 claims
- 1878US7245883B2Radio communication apparatus, radio communication method, antenna apparatus and first duplexerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 17, 2007·15 cites·14 claims
- 1978US7176757B2Multistage amplifying devices, and reception device and transmission device using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Feb 13, 2007·10 cites·18 claims
- 2076US7224240B2Balanced high-frequency filter, antenna duplexer, balanced high-frequency circuit and communication apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted May 29, 2007·8 cites·34 claims
- 2174US7725082B2Radio communication apparatus, radio communication method, antenna apparatus and first duplexerPANASONIC CORP·Filed 2007·Granted May 25, 2010·4 cites·14 claims
- 2273US7746152B2Switch circuit device, and wireless circuit device and sampling circuit device employing the samePANASONIC CORP·Filed 2007·Granted Jun 29, 2010·7 cites·15 claims
- 2372US7642848B2Variable gain amplifying apparatus and wireless communication apparatusPANASONIC CORP·Filed 2008·Granted Jan 5, 2010·4 cites·10 claims
- 2472US7342442B2Variable gain amplifying apparatus and wireless communication apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Mar 11, 2008·4 cites·13 claims
- 2572US5594488AThermal headALPS ELECTRIC CO LTD·Filed 1995·Granted Jan 14, 1997·32 cites·17 claims
- 2670US6667657B2RF variable gain amplifying deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 23, 2003·16 cites·28 claims
- 2770US6441692B1PLL frequency synthesizerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Aug 27, 2002·33 cites·16 claims
- 2868US7324791B2Low-noise differential bias circuit and differential signal processing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jan 29, 2008·7 cites·29 claims
- 2967US9136580B2Quadrature hybrid coupler, amplifier, and wireless communication devicePANASONIC CORP·Filed 2012·Granted Sep 15, 2015·2 cites·18 claims
- 3062US9319494B2Wireless module and wireless communication apparatusPANASONIC CORP·Filed 2013·Granted Apr 19, 2016·1 cites·7 claims
- 3162US7957703B2Wireless circuit devicePANASONIC CORP·Filed 2006·Granted Jun 7, 2011·2 cites·20 claims
- 3262US7123073B2Amplifier and frequency converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Oct 17, 2006·12 cites·8 claims
- 3360US7298205B2Amplifier and frequency converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Nov 20, 2007·11 cites·7 claims
- 3458US6940707B2Differential capacitor, differential antenna element, and differential resonatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Sep 6, 2005·10 cites·37 claims
- 3556US6529224B2Thermal head enabling continuous printing without print quality deteriorationALPS ELECTRIC CO LTD·Filed 2002·Granted Mar 4, 2003·6 cites·8 claims
- 3656US5661513AThermal headALPS ELECTRIC CO LTD·Filed 1996·Granted Aug 26, 1997·17 cites·9 claims
- 3755US7170539B2Thermal head, method for manufacturing the same, and method for adjusting dot aspect ratio of thermal headALPS ELECTRIC CO LTD·Filed 2005·Granted Jan 30, 2007·1 cites·9 claims
- 3855US2006238099A1Cathode ray tube and image display apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 3955US2006238098A1Cathode ray tube and image display apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 4052US5162814AResin-coated thermal printer headALPS ELECTRIC CO LTD·Filed 1991·Granted Nov 10, 1992·10 cites·12 claims
- 4150US5446337AImage display apparatus and method of making the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Aug 29, 1995·11 cites·6 claims
- 4250US5247225ADisplay apparatus having spaced apart electron beam control electrodes coupled together by coupling pinsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Sep 21, 1993·9 cites·16 claims
- 4349US6891462B2High-Q inductor for high frequencyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 10, 2005·3 cites·1 claims
- 4447US5473357AThermal head and manufacturing methodALPS ELECTRIC CO LTD·Filed 1993·Granted Dec 5, 1995·7 cites·4 claims
- 4547US5272413AFlat panel display device and a method of making the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Dec 21, 1993·8 cites·6 claims
- 4646US5300857AFlat image display device with filamentary cathode support structureMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Apr 5, 1994·8 cites·11 claims
- 4745US7079829B2Semiconductor differential circuit, oscillation apparatus, switching apparatus, amplifying apparatus, mixer apparatus and circuit apparatus using same, and semiconductor differential circuit placement methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 18, 2006·2 cites·25 claims
- 4845US5461396AFlat-type picture display apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Oct 24, 1995·7 cites·9 claims
- 4944US8045650B2Radio receiving apparatusPANASONIC CORP·Filed 2006·Granted Oct 25, 2011·0 cites·25 claims
- 5043US6201558B1Thermal headALPS ELECTRIC CO LTD·Filed 1999·Granted Mar 13, 2001·10 cites·12 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
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