Inventor · disambiguated record
Kazuhiro Hagiwara
Also filed as: HAGIWARA KAZUHIRO
14 granted patents·1 pending application·271 citations·filing 2003–2023
93Inventor score
Top patents by PatentIndex Score
15 records- 0196US7773956B2Multi-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
- 0295US8036148B2High-frequency circuit, high-frequency device and communications apparatusHITACHI METALS LTD·Filed 2007·Granted Oct 11, 2011·41 cites·20 claims
- 0393US7885613B2Multiband 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
- 0491US8315577B2Multiband 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
- 0591US7242268B2Unbalanced-balanced multiband filter moduleHITACHI METALS LTD·Filed 2003·Granted Jul 10, 2007·55 cites·14 claims
- 0689US8093963B2Laminated bandpass filter, high-frequency component and communications apparatus comprising themYAMASHITA TAKAHIRO·Filed 2007·Granted Jan 10, 2012·16 cites·19 claims
- 0787US7518469B2Multi-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
- 0884US8130787B2High-frequency circuit device, and communications apparatus comprising sameHAGIWARA KAZUHIRO·Filed 2007·Granted Mar 6, 2012·17 cites·20 claims
- 0981US2024153686A1Wound magnetic core, alloy core, and method for manufacturing wound magnetic corePROTERIAL LTD·Filed 2023·Application pending·0 cites
- 1077US8131226B1Multi-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
- 1175US8582547B2High frequency circuit, high frequency component and communication deviceKEMMOCHI SHIGERU·Filed 2007·Granted Nov 12, 2013·6 cites·17 claims
- 1271US7924117B2Multi-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
- 1369US11749430B2Wound magnetic core, alloy core, and method for manufacturing wound magnetic corePROTERIAL LTD·Filed 2020·Granted Sep 5, 2023·0 cites·12 claims
- 1469US8326344B2High-frequency device and communications apparatusKEMMOCHI SHIGERU·Filed 2007·Granted Dec 4, 2012·4 cites·15 claims
- 1554US7982554B2Multi-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
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →