Heiji Ikoma

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Filter circuit, semiconductor integrated circuit, communication app...
- Patent number 8,564,362
- Issue date Oct 22, 2013
- Panasonic Corporation
- Michiko Tokumaru
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switch device and layout design method for switch device
- Patent number 8,476,973
- Issue date Jul 2, 2013
- Panasonic Corporation
- Heiji Ikoma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Filter circuit, transmission filter circuit, semiconductor integrat...
- Patent number 8,395,442
- Issue date Mar 12, 2013
- Panasonic Corporation
- Michiko Tokumaru
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Current switch circuit and D/A converter, semiconductor integrated...
- Patent number 8,217,817
- Issue date Jul 10, 2012
- Panasonic Corporation
- Tomohiro Ogawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
D/A converter, differential switch, semiconductor integrated circui...
- Patent number 8,081,099
- Issue date Dec 20, 2011
- Panasonic Corporation
- Heiji Ikoma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
D/A converter and semiconductor integrated circuit including the same
- Patent number 7,982,644
- Issue date Jul 19, 2011
- Panasonic Corporation
- Heiji Ikoma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Differential switch, D/A converter, semiconductor integrated circui...
- Patent number 7,973,687
- Issue date Jul 5, 2011
- Panasonic Corporation
- Heiji Ikoma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Rapid recovery circuit
- Patent number 7,924,188
- Issue date Apr 12, 2011
- Panasonic Corporation
- Michiko Tokumaru
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Current steering DAC
- Patent number 7,924,199
- Issue date Apr 12, 2011
- Panasonic Corporation
- Michiko Tokumaru
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
D/A converter and semiconductor integrated circuit including the same
- Patent number 7,825,843
- Issue date Nov 2, 2010
- Panasonic Corporation
- Heiji Ikoma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Current switch circuit and D/A converter, semiconductor integrated...
- Patent number 7,796,073
- Issue date Sep 14, 2010
- Panasonic Corporation
- Tomohiro Ogawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Current steering DAC
- Patent number 7,764,211
- Issue date Jul 27, 2010
- Panasonic Corporation
- Michiko Tokumaru
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Current steering DAC
- Patent number 7,701,373
- Issue date Apr 20, 2010
- Panasonic Corporation
- Michiko Tokumaru
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage reference circuit with reduced power consumption
- Patent number 7,042,278
- Issue date May 9, 2006
- Matsushita Electric Industrial Co., Ltd.
- Heiji Ikoma
- G11 - INFORMATION STORAGE
Information Patent Grant
D/A converter
- Patent number 7,019,676
- Issue date Mar 28, 2006
- Matsushita Electric Industrial Co, Ltd.
- Heiji Ikoma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Level shifting circuit
- Patent number 6,791,391
- Issue date Sep 14, 2004
- Matsushita Electric Industrial Co., Ltd.
- Hidetoshi Nishimura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
A/D converter, method of A/D conversion, and signal processing device
- Patent number 6,734,817
- Issue date May 11, 2004
- Matsushita Electric Industrial Co., Ltd.
- Junichi Naka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Current steering type D/A converter
- Patent number 6,590,516
- Issue date Jul 8, 2003
- Matsushita Electric Industrial Co., Ltd.
- Yoshitsugu Inagaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Supply voltage detection circuit
- Patent number 6,492,849
- Issue date Dec 10, 2002
- Matsushita Electric Industrial Co., Ltd.
- Heiji Ikoma
- G11 - INFORMATION STORAGE
Information Patent Grant
Dispersion-type electroluminescence element
- Patent number 6,479,930
- Issue date Nov 12, 2002
- Matsushita Electric Industrial Co., Ltd.
- Koji Tanabe
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
CMOS semiconductor integrated circuit
- Patent number 6,310,492
- Issue date Oct 30, 2001
- Matsushita Electric Industrial Co., Ltd.
- Heiji Ikoma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electroluminescent lighting element, manufacturing method of the sa...
- Patent number 6,010,742
- Issue date Jan 4, 2000
- Matsushita Electric Industrial Co., Ltd.
- Koji Tanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electroluminescent light element having a transparent electrode for...
- Patent number 5,844,362
- Issue date Dec 1, 1998
- Matsushita Electric Industrial Co., Ltd.
- Koji Tanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electroluminescent lighting element with a light-permeable reflecti...
- Patent number 5,841,230
- Issue date Nov 24, 1998
- Matsushita Electric Industrial Co., Ltd.
- Heiji Ikoma
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
DIFFERENTIAL SWITCH DRIVE CIRCUIT AND CURRENT STEERING DIGITAL-TO-A...
- Publication number 20140104088
- Publication date Apr 17, 2014
- PANASONIC CORPORATION
- Toshinobu NAGASAWA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
FILTER CIRCUIT, SEMICONDUCTOR INTEGRATED CIRCUIT, COMMUNICATION APP...
- Publication number 20130148758
- Publication date Jun 13, 2013
- PANASONIC CORPORATION
- Michiko TOKUMARU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SWITCH DEVICE AND LAYOUT DESIGN METHOD FOR SWITCH DEVICE
- Publication number 20120292718
- Publication date Nov 22, 2012
- PANASONIC CORPORATION
- Heiji Ikoma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
FILTER CIRCUIT, TRANSMISSION FILTER CIRCUIT, SEMICONDUCTOR INTEGRAT...
- Publication number 20120007668
- Publication date Jan 12, 2012
- PANASONIC CORPORATION
- Michiko TOKUMARU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIPLE SIGNAL SWITCHING CIRCUIT, CURRENT SWITCHING CELL CIRCUIT,...
- Publication number 20110037511
- Publication date Feb 17, 2011
- PANASONIC CORPORATION
- Michiko TOKUMARU
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
D/A CONVERTER AND SEMICONDUCTOR INTEGRATED CIRCUIT INCLUDING THE SAME
- Publication number 20110012770
- Publication date Jan 20, 2011
- PANASONIC CORPORATION
- Heiji Ikoma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DIFFERENTIAL SWITCH, D/A CONVERTER, SEMICONDUCTOR INTEGRATED CIRCUI...
- Publication number 20110012769
- Publication date Jan 20, 2011
- PANASONIC CORPORATION
- Heiji Ikoma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CURRENT SWITCH CIRCUIT AND D/A CONVERTER, SEMICONDUCTOR INTEGRATED...
- Publication number 20100315276
- Publication date Dec 16, 2010
- PANASONIC CORPORATION
- Tomohiro OGAWA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CURRENT STEERING DAC
- Publication number 20100253562
- Publication date Oct 7, 2010
- PANASONIC CORPORATION
- Michiko TOKUMARU
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
D/A CONVERTER, DIFFERENTIAL SWITCH, SEMICONDUCTOR INTEGRATED CIRCUI...
- Publication number 20100182180
- Publication date Jul 22, 2010
- Heiji Ikoma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
RAPID RECOVERY CIRCUIT
- Publication number 20100007536
- Publication date Jan 14, 2010
- Michiko Tokumaru
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
D/A converter and semiconductor integrated circuit including the same
- Publication number 20090309775
- Publication date Dec 17, 2009
- Heiji Ikoma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Analog video signal generation circuit, analog composite video sign...
- Publication number 20090208179
- Publication date Aug 20, 2009
- Heiji Ikoma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CURRENT STEERING DAC
- Publication number 20090184855
- Publication date Jul 23, 2009
- Michiko Tokumaru
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CURRENT SWITCH CIRCUIT AND D/A CONVERTER, SEMICONDUCTOR INTEGRATED...
- Publication number 20090174587
- Publication date Jul 9, 2009
- Tomohiro Ogawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CURRENT STEERING DAC
- Publication number 20090045993
- Publication date Feb 19, 2009
- Michiko Tokumaru
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
D/A converter
- Publication number 20050001752
- Publication date Jan 6, 2005
- Heiji Ikoma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Semiconductor integrated circuit
- Publication number 20040245979
- Publication date Dec 9, 2004
- Heiji Ikoma
- G11 - INFORMATION STORAGE
Information Patent Application
A/D converter, method of A/D conversion, and signal processing device
- Publication number 20030128145
- Publication date Jul 10, 2003
- Junichi Naka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Level shifting circuit
- Publication number 20030011418
- Publication date Jan 16, 2003
- Matsushita Electric Industrial Co., Ltd.
- Hidetoshi Nishimura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CURRENT STEERING TYPE D/A CONVERTER
- Publication number 20020186156
- Publication date Dec 12, 2002
- Matsushita Electric Industrial Co., Ltd.
- Yoshitsugu Inagaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Supply voltage detection circuit
- Publication number 20010030558
- Publication date Oct 18, 2001
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Heiji Ikoma
- G11 - INFORMATION STORAGE

Heiji Ikoma

Person

Patents Grantslast 30 patents

Filter circuit, semiconductor integrated circuit, communication app...

Switch device and layout design method for switch device

Filter circuit, transmission filter circuit, semiconductor integrat...

Current switch circuit and D/A converter, semiconductor integrated...

D/A converter, differential switch, semiconductor integrated circui...

D/A converter and semiconductor integrated circuit including the same

Differential switch, D/A converter, semiconductor integrated circui...

Rapid recovery circuit

Current steering DAC

D/A converter and semiconductor integrated circuit including the same

Current switch circuit and D/A converter, semiconductor integrated...

Current steering DAC

Current steering DAC

Voltage reference circuit with reduced power consumption

D/A converter

Level shifting circuit

A/D converter, method of A/D conversion, and signal processing device

Current steering type D/A converter

Supply voltage detection circuit

Dispersion-type electroluminescence element

CMOS semiconductor integrated circuit

Electroluminescent lighting element, manufacturing method of the sa...

Electroluminescent light element having a transparent electrode for...

Electroluminescent lighting element with a light-permeable reflecti...

Patents Applicationslast 30 patents

DIFFERENTIAL SWITCH DRIVE CIRCUIT AND CURRENT STEERING DIGITAL-TO-A...

FILTER CIRCUIT, SEMICONDUCTOR INTEGRATED CIRCUIT, COMMUNICATION APP...

SWITCH DEVICE AND LAYOUT DESIGN METHOD FOR SWITCH DEVICE

FILTER CIRCUIT, TRANSMISSION FILTER CIRCUIT, SEMICONDUCTOR INTEGRAT...

MULTIPLE SIGNAL SWITCHING CIRCUIT, CURRENT SWITCHING CELL CIRCUIT,...

D/A CONVERTER AND SEMICONDUCTOR INTEGRATED CIRCUIT INCLUDING THE SAME

DIFFERENTIAL SWITCH, D/A CONVERTER, SEMICONDUCTOR INTEGRATED CIRCUI...

CURRENT SWITCH CIRCUIT AND D/A CONVERTER, SEMICONDUCTOR INTEGRATED...

CURRENT STEERING DAC

D/A CONVERTER, DIFFERENTIAL SWITCH, SEMICONDUCTOR INTEGRATED CIRCUI...

RAPID RECOVERY CIRCUIT

D/A converter and semiconductor integrated circuit including the same

Analog video signal generation circuit, analog composite video sign...

CURRENT STEERING DAC

CURRENT SWITCH CIRCUIT AND D/A CONVERTER, SEMICONDUCTOR INTEGRATED...

CURRENT STEERING DAC

D/A converter

Semiconductor integrated circuit

A/D converter, method of A/D conversion, and signal processing device

Level shifting circuit

CURRENT STEERING TYPE D/A CONVERTER

Supply voltage detection circuit