Inventor
HAGIWARA KAZUHIRO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “HAGIWARA KAZUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI METALS LTD
7 patentsUS7773956B2Aug 10, 2010
Multi-band high frequency circuit, multi-band high-frequency component and multi-band communications apparatus
HITACHI METALS LTD53 citations94
US8036148B2Oct 11, 2011
High-frequency circuit, high-frequency device and communications apparatus
HITACHI METALS LTD41 citations92
US7885613B2Feb 8, 2011
Multiband high-frequency circuit, multiband high-frequency circuit device and multiband communications apparatus comprising same
HITACHI METALS LTD25 citations92
US7518469B2Apr 14, 2009
Multi-band high-frequency circuit, multi-band high-frequency circuit component and multi-band communication apparatus using same
HITACHI METALS LTD30 citations92
US7242268B2Jul 10, 2007
Unbalanced-balanced multiband filter module
HITACHI METALS LTD55 citations92
US7924117B2Apr 12, 2011
Multi-band high-frequency circuit, multi-band high-frequency circuit component and multi-band communication apparatus using same
HITACHI METALS LTD3 citations62
US7982554B2Jul 19, 2011
Multi-band high-frequency circuit, multi-band high frequency circuit component and multi-band communication apparatus using same
HITACHI METALS LTD0 citations52
KEMMOCHI SHIGERU
4 patentsUS8315577B2Nov 20, 2012
Multiband high-frequency circuit, multiband high-frequency circuit device and multiband communications apparatus comprising same
KEMMOCHI SHIGERU14 citations83
US8131226B1Mar 6, 2012
Multi-band-high-frequency circuit, multi-band high-frequency circuit component and multi-band communication apparatus using same
KEMMOCHI SHIGERU7 citations83
US8582547B2Nov 12, 2013
High frequency circuit, high frequency component and communication device
KEMMOCHI SHIGERU6 citations72
US8326344B2Dec 4, 2012
High-frequency device and communications apparatus
KEMMOCHI SHIGERU4 citations61