Inventor · disambiguated record
Keisuke Fukamachi
Also filed as: FUKAMACHI KEISUKE
24 granted patents·1 pending application·707 citations·filing 2001–2010
96Inventor score
Top patents by PatentIndex Score
25 records- 0198US7705692B2High-frequency circuit and communications apparatus comprising sameHITACHI METALS LTD·Filed 2006·Granted Apr 27, 2010·91 cites·6 claims
- 0297US7057472B2Bypass filter, multi-band antenna switch circuit, and layered module composite part and communication device using themHITACHI METALS LTD·Filed 2002·Granted Jun 6, 2006·211 cites·21 claims
- 0396US7773956B2Multi-band high frequency circuit, multi-band high-frequency component and multi-band communications apparatusHITACHI METALS LTD·Filed 2005·Granted Aug 10, 2010·53 cites·20 claims
- 0495US8036148B2High-frequency circuit, high-frequency device and communications apparatusHITACHI METALS LTD·Filed 2007·Granted Oct 11, 2011·41 cites·20 claims
- 0593US7885613B2Multiband high-frequency circuit, multiband high-frequency circuit device and multiband communications apparatus comprising sameHITACHI METALS LTD·Filed 2006·Granted Feb 8, 2011·25 cites·11 claims
- 0691US8315577B2Multiband high-frequency circuit, multiband high-frequency circuit device and multiband communications apparatus comprising sameKEMMOCHI SHIGERU·Filed 2010·Granted Nov 20, 2012·14 cites·4 claims
- 0791US7242268B2Unbalanced-balanced multiband filter moduleHITACHI METALS LTD·Filed 2003·Granted Jul 10, 2007·55 cites·14 claims
- 0890US7295814B2Antenna switch circuit and antenna switch moduleHITACHI METALS LTD·Filed 2004·Granted Nov 13, 2007·46 cites·11 claims
- 0989US8093963B2Laminated bandpass filter, high-frequency component and communications apparatus comprising themYAMASHITA TAKAHIRO·Filed 2007·Granted Jan 10, 2012·16 cites·19 claims
- 1087US7518469B2Multi-band high-frequency circuit, multi-band high-frequency circuit component and multi-band communication apparatus using sameHITACHI METALS LTD·Filed 2004·Granted Apr 14, 2009·30 cites·21 claims
- 1186US7253702B2High-frequency switch moduleHITACHI METALS LTD·Filed 2001·Granted Aug 7, 2007·38 cites·16 claims
- 1284US8130787B2High-frequency circuit device, and communications apparatus comprising sameHAGIWARA KAZUHIRO·Filed 2007·Granted Mar 6, 2012·17 cites·20 claims
- 1382US8767859B2High-frequency circuit, high-frequency device, and communications apparatusFUKAMACHI KEISUKE·Filed 2009·Granted Jul 1, 2014·11 cites·21 claims
- 1477US8131226B1Multi-band-high-frequency circuit, multi-band high-frequency circuit component and multi-band communication apparatus using sameKEMMOCHI SHIGERU·Filed 2005·Granted Mar 6, 2012·7 cites·7 claims
- 1575US8582547B2High frequency circuit, high frequency component and communication deviceKEMMOCHI SHIGERU·Filed 2007·Granted Nov 12, 2013·6 cites·17 claims
- 1672US9252819B2High frequency circuit, high frequency circuit component, and communication apparatusSATAKE HIROTAKA·Filed 2010·Granted Feb 2, 2016·4 cites·32 claims
- 1771US7924117B2Multi-band high-frequency circuit, multi-band high-frequency circuit component and multi-band communication apparatus using sameHITACHI METALS LTD·Filed 2009·Granted Apr 12, 2011·3 cites·5 claims
- 1870US9287845B2Bandpass filter, high-frequency device and communications apparatusFUKAMACHI KEISUKE·Filed 2009·Granted Mar 15, 2016·7 cites·18 claims
- 1970US7379751B2Multi-band transceiver and radio communication device using the transceiverHITACHI METALS LTD·Filed 2004·Granted May 27, 2008·17 cites·20 claims
- 2069US8326344B2High-frequency device and communications apparatusKEMMOCHI SHIGERU·Filed 2007·Granted Dec 4, 2012·4 cites·15 claims
- 2169US7167687B2Switch circuit and composite high-frequency partHITACHI METALS LTD·Filed 2003·Granted Jan 23, 2007·9 cites·17 claims
- 2257US8682258B2High-frequency circuit, high-frequency device, and communication apparatusFUKAMACHI KEISUKE·Filed 2007·Granted Mar 25, 2014·2 cites·9 claims
- 2354US7982554B2Multi-band high-frequency circuit, multi-band high frequency circuit component and multi-band communication apparatus using sameHITACHI METALS LTD·Filed 2009·Granted Jul 19, 2011·0 cites·5 claims
- 2446US2007105506A1Switch circuit and high-frequency composite partHITACHI METALS LTD·Filed 2006·Application pending·0 cites
- 2543US8269581B2Band-pass filter, high-frequency component, and communication apparatusFUKAMACHI KEISUKE·Filed 2008·Granted Sep 18, 2012·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →