Seiichi Banba

Person

Ohagki-city, JP

People

Patents Grantslast 30 patents

Information Patent Grant
High-frequency circuit
- Patent number 7,768,348
- Issue date Aug 3, 2010
- Sanyo Electric Co.
- Seiichi Banba
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier for use in radio-frequency band
- Patent number 7,646,252
- Issue date Jan 12, 2010
- Sanyo Electric Co., LTD
- Seiichi Banba
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Analog-to digital converter and analog-to digital conversion apparatus
- Patent number 7,286,072
- Issue date Oct 23, 2007
- Sanyo Electric Co., LTD
- Kohji Sakata
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Variable impedance circuit, variable gain differential amplifier, m...
- Patent number 7,215,196
- Issue date May 8, 2007
- Sanyo Electric Co., LTD
- Seiichi Banba
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Variable gain differential amplifier and multiplication circuit
- Patent number 6,956,435
- Issue date Oct 18, 2005
- Sanyo Electric Co., LTD
- Seiichi Banba
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Variable gain differential amplifier and multiplication circuit
- Patent number 6,933,783
- Issue date Aug 23, 2005
- Sanyo Electric Co., LTD
- Seiichi Banba
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High frequency circuit with thin film resistor
- Patent number 6,927,633
- Issue date Aug 9, 2005
- Sanyo Electric Co., Ltd.
- Seiichi Banba
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Switching circuit device and semiconductor device
- Patent number 6,218,890
- Issue date Apr 17, 2001
- Sanyo Electric Co., Ltd.
- Tsutomu Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Optical modulation device and fiber optic communication system
- Patent number 5,724,459
- Issue date Mar 3, 1998
- Sanyo Electric Co., Ltd.
- Seiichi Banba
- G02 - OPTICS
Information Patent Grant
Floating potential conductor coupled quarter-wavelength coupled lin...
- Patent number 5,446,425
- Issue date Aug 29, 1995
- ATR Optical and Radio Communications Research Laboratories
- Seiichi Banba
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
HIGH-FREQUENCY CIRCUIT
- Publication number 20090009244
- Publication date Jan 8, 2009
- Seiichi Banba
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
High-frequency circuit
- Publication number 20080248776
- Publication date Oct 9, 2008
- Seiichi Banba
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Amplifier for use in radio-frequency band
- Publication number 20080169877
- Publication date Jul 17, 2008
- Seiichi Banba
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Impedance matching method, a method for manufacturing signal proces...
- Publication number 20080136728
- Publication date Jun 12, 2008
- Seiichi Banba
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Active filer circuit for limiting band of input signal
- Publication number 20070146062
- Publication date Jun 28, 2007
- SANYO ELECTRIC CO., LTD.
- Takeshi Otsuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Analog-to digital converter and analog-to digital conversion apparatus
- Publication number 20060187105
- Publication date Aug 24, 2006
- Kohji Sakata
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
VARIABLE GAIN DIFFERENTIAL AMPLIFIER AND MULTIPLICATION CIRCUIT
- Publication number 20050179494
- Publication date Aug 18, 2005
- Sanyo Electric Co., Ltd.
- Seiichi Banba
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Variable impedance circuit, variable gain differential amplifier, m...
- Publication number 20040183599
- Publication date Sep 23, 2004
- SANYO ELECTRIC CO., LTD.
- Seiichi Banba
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Variable gain differential amplifier and multiplication circuit
- Publication number 20040178850
- Publication date Sep 16, 2004
- Sanyo Electric Co., Ltd.
- Seiichi Banba
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Variable gain differential amplifier and multiplication circuit
- Publication number 20030098744
- Publication date May 29, 2003
- Seiichi Banba
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
High frequency circuit
- Publication number 20020008553
- Publication date Jan 24, 2002
- Seiichi Banba
- H03 - BASIC ELECTRONIC CIRCUITRY

Seiichi Banba

Person

Patents Grantslast 30 patents

High-frequency circuit

Amplifier for use in radio-frequency band

Analog-to digital converter and analog-to digital conversion apparatus

Variable impedance circuit, variable gain differential amplifier, m...

Variable gain differential amplifier and multiplication circuit

Variable gain differential amplifier and multiplication circuit

High frequency circuit with thin film resistor

Switching circuit device and semiconductor device

Optical modulation device and fiber optic communication system

Floating potential conductor coupled quarter-wavelength coupled lin...

Patents Applicationslast 30 patents

HIGH-FREQUENCY CIRCUIT

High-frequency circuit

Amplifier for use in radio-frequency band

Impedance matching method, a method for manufacturing signal proces...

Active filer circuit for limiting band of input signal

Analog-to digital converter and analog-to digital conversion apparatus

VARIABLE GAIN DIFFERENTIAL AMPLIFIER AND MULTIPLICATION CIRCUIT

Variable impedance circuit, variable gain differential amplifier, m...

Variable gain differential amplifier and multiplication circuit

Variable gain differential amplifier and multiplication circuit

High frequency circuit