Inventor
BANBA SEIICHI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “BANBA SEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANYO ELECTRIC CO
9 patentsUS6218890B1Apr 17, 2001
Switching circuit device and semiconductor device
SANYO ELECTRIC CO97 citations97
US7646252B2Jan 12, 2010
Amplifier for use in radio-frequency band
SANYO ELECTRIC CO25 citations91
US7215196B2May 8, 2007
Variable impedance circuit, variable gain differential amplifier, multiplier, high-frequency circuit and differential distributed amplifier
SANYO ELECTRIC CO34 citations91
US7768348B2Aug 3, 2010
High-frequency circuit
SANYO ELECTRIC CO8 citations83
US7286072B2Oct 23, 2007
Analog-to digital converter and analog-to digital conversion apparatus
SANYO ELECTRIC CO10 citations82
US5724459AMar 3, 1998
Optical modulation device and fiber optic communication system
SANYO ELECTRIC CO16 citations73
US6933783B2Aug 23, 2005
Variable gain differential amplifier and multiplication circuit
SANYO ELECTRIC CO7 citations72
US6956435B2Oct 18, 2005
Variable gain differential amplifier and multiplication circuit
SANYO ELECTRIC CO3 citations61
US6927633B2Aug 9, 2005
High frequency circuit with thin film resistor
SANYO ELECTRIC CO2 citations57