Seiji Fujiwara

Person

Kyoto, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic component
- Patent number 8,867,227
- Issue date Oct 21, 2014
- Panasonic Corporation
- Atsushi Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and lead frame thereof
- Patent number 8,575,744
- Issue date Nov 5, 2013
- Panasonic Corporation
- Seiji Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device using lead-free solder as die bonding material...
- Patent number 7,973,412
- Issue date Jul 5, 2011
- Panasonic Corporation
- Seiji Fujiwara
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Semiconductor device and method of manufacturing the same
- Patent number 7,960,271
- Issue date Jun 14, 2011
- Panasonic Corporation
- Hideki Takehara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor module and manufacturing method thereof
- Patent number 7,589,402
- Issue date Sep 15, 2009
- Panasonic Corporation
- Seiji Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hydrogen refining apparatus
- Patent number 7,279,142
- Issue date Oct 9, 2007
- Matsushita Electric Industrial Co., Ltd.
- Kunihiro Ukai
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Hydrogen purification apparatus and method and fuel cell power gene...
- Patent number 7,147,680
- Issue date Dec 12, 2006
- Matsushita Electric Industrial Co., Ltd.
- Kiyoshi Taguchi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Hydrogen generator, fuel cell system and control method of hydrogen...
- Patent number 7,132,178
- Issue date Nov 7, 2006
- Matsushita Electric Industrial Co., Ltd.
- Kunihiro Ukai
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Predistortion circuit, low-distortion power amplifier, and control...
- Patent number 7,081,795
- Issue date Jul 25, 2006
- Matsushita Electric Industrial Co., Ltd.
- Toru Matsuura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Predistortion linearizer and predistortion distortion compensation...
- Patent number 7,046,972
- Issue date May 16, 2006
- Matsushita Electric Industrial Co., Ltd.
- Toshimitsu Matsuyoshi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Predistortion circuit, low-distortion power amplifier, and control...
- Patent number 6,989,713
- Issue date Jan 24, 2006
- Matsushita Electric Industrial Co., Ltd.
- Toru Matsuura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Predistortion circuit, low-distortion power amplifier, and control...
- Patent number 6,977,548
- Issue date Dec 20, 2005
- Matsushita Electric Industrial Co., Ltd.
- Toru Matsuura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power amplifier
- Patent number 6,972,621
- Issue date Dec 6, 2005
- Matsushita Electric Industrial Co., Ltd.
- Toshimitsu Matsuyoshi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Predistortion circuit, low-distortion power amplifier, and control...
- Patent number 6,960,957
- Issue date Nov 1, 2005
- Matsushita Electric Industrial Co., Ltd.
- Toru Matsuura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Predistortion circuit, low-distortion power amplifier, and control...
- Patent number 6,960,958
- Issue date Nov 1, 2005
- Matsushita Electric Industrial Co., Ltd.
- Toru Matsuura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Feedforward amplifier, communication apparatus, feedforward amplifi...
- Patent number 6,940,346
- Issue date Sep 6, 2005
- Matsushita Electric Industrial Co., Ltd.
- Masayuki Miyaji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Predistortion circuit and power amplifier
- Patent number 6,933,780
- Issue date Aug 23, 2005
- Matsushita Electric Industrial Co., Ltd.
- Seiji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power amplifier
- Patent number 6,833,758
- Issue date Dec 21, 2004
- Matsushita Electric Industrial Co., Ltd.
- Toshimitsu Matsuyoshi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Distortion-compensated amplifying circuit
- Patent number 6,720,829
- Issue date Apr 13, 2004
- Matsushita Electric Industrial Co., Ltd.
- Toshimitsu Matsuyoshi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Feedforward amplifier
- Patent number 6,710,652
- Issue date Mar 23, 2004
- Matsushita Electric Industrial Co., Ltd.
- Masayuki Miyaji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Predistortion circuit, low-distortion power amplifier, and control...
- Patent number 6,590,449
- Issue date Jul 8, 2003
- Matsushita Electric Industrial Co., Ltd.
- Toru Matsuura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power amplifier with coupler for cross-coupling amplifiers for redu...
- Patent number 6,545,542
- Issue date Apr 8, 2003
- Matsushita Electric Industrial Co., Ltd.
- Toshimitsu Matsuyoshi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Delay circuit and feedforward amplifier
- Patent number 6,507,253
- Issue date Jan 14, 2003
- Matsushita Electric Industrial Co., Ltd.
- Toshimitsu Matsuyoshi
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC COMPONENT
- Publication number 20110205719
- Publication date Aug 25, 2011
- Atsushi Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND LEAD FRAME THEREOF
- Publication number 20110121440
- Publication date May 26, 2011
- Seiji FUJIWARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND DIE BONDING MATERIAL
- Publication number 20090166876
- Publication date Jul 2, 2009
- PANASONIC CORPORATION
- Seiji Fujiwara
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20090065933
- Publication date Mar 12, 2009
- Matsushita Electric Industrial Co., Ltd.
- Hideki Takehara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20080197465
- Publication date Aug 21, 2008
- Matsushita Electric Industrial Co., Ltd.
- Seiji Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Lead frame and semiconductor device using the same
- Publication number 20070262409
- Publication date Nov 15, 2007
- Yoichiro Nozaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor module and manufacturing method thereof
- Publication number 20070126117
- Publication date Jun 7, 2007
- Matsushita Electric Industrial Co., Ltd.
- Seiji Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Predistortion circuit, low-distortion power amplifier, and control...
- Publication number 20060061418
- Publication date Mar 23, 2006
- Toru Matsuura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PREDISTORTION CIRCUIT, LOW-DISTORTION POWER AMPLIFIER, AND CONTROL...
- Publication number 20050237113
- Publication date Oct 27, 2005
- Toru Matsuura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Hydrogen refining apparatus
- Publication number 20050138863
- Publication date Jun 30, 2005
- Kunihiro Ukai
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Power amplifier
- Publication number 20050046477
- Publication date Mar 3, 2005
- Toshimitsu Matsuyoshi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Predistortion circuit, low-distortion power amplifier, and control...
- Publication number 20050035818
- Publication date Feb 17, 2005
- Toru Matsuura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Predistortion circuit, low-distortion power amplifier, and control...
- Publication number 20040135631
- Publication date Jul 15, 2004
- Toru Matsuura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Feedforward amplifier, cummunication apparatus, feedforward amplify...
- Publication number 20040075497
- Publication date Apr 22, 2004
- Masayuki Miyaji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Hydrogen purification apparatus
- Publication number 20040037757
- Publication date Feb 26, 2004
- Kiyoshi Taguchi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Hydrogen formation apparatus, fuel cell system and method for contr...
- Publication number 20040013917
- Publication date Jan 22, 2004
- Kunihiro Ukai
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Power amplifier
- Publication number 20030234688
- Publication date Dec 25, 2003
- Toshimitsu Matsuyoshi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Hydrogen purification device and fuel cell power generation system
- Publication number 20030175562
- Publication date Sep 18, 2003
- Kiyoshi Taguchi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Predistortion circuit, low-distortion power amplifier, and control...
- Publication number 20030169110
- Publication date Sep 11, 2003
- Toru Matsuura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Hydrogen purification apparatus
- Publication number 20030129100
- Publication date Jul 10, 2003
- Kunihiro Ukai
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Distortion-compensated amplifying circuit
- Publication number 20030117217
- Publication date Jun 26, 2003
- Toshimitsu Matsuyoshi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Hydrogen forming device
- Publication number 20030108456
- Publication date Jun 12, 2003
- Kunihiro Ukai
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Predistortion linearizer and predistortion distortion compensation...
- Publication number 20020177424
- Publication date Nov 28, 2002
- Toshimitsu Matsuyoshi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Feedforward amplifier
- Publication number 20020113648
- Publication date Aug 22, 2002
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Masayuki Miyaji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Power amplifier
- Publication number 20020067211
- Publication date Jun 6, 2002
- Matsushita Electric Industrial Co., Ltd.
- Toshimitsu Matsuyoshi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Predistortion circuit, low-distortion power amplifier, and control...
- Publication number 20010048346
- Publication date Dec 6, 2001
- Toru Matsuura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Predistortion circuit and power amplifier
- Publication number 20010013809
- Publication date Aug 16, 2001
- Seiji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY

Seiji Fujiwara

Person

Patents Grantslast 30 patents

Electronic component

Semiconductor device and lead frame thereof

Semiconductor device using lead-free solder as die bonding material...

Semiconductor device and method of manufacturing the same

Semiconductor module and manufacturing method thereof

Hydrogen refining apparatus

Hydrogen purification apparatus and method and fuel cell power gene...

Hydrogen generator, fuel cell system and control method of hydrogen...

Predistortion circuit, low-distortion power amplifier, and control...

Predistortion linearizer and predistortion distortion compensation...

Predistortion circuit, low-distortion power amplifier, and control...

Predistortion circuit, low-distortion power amplifier, and control...

Power amplifier

Predistortion circuit, low-distortion power amplifier, and control...

Predistortion circuit, low-distortion power amplifier, and control...

Feedforward amplifier, communication apparatus, feedforward amplifi...

Predistortion circuit and power amplifier

Power amplifier

Distortion-compensated amplifying circuit

Feedforward amplifier

Predistortion circuit, low-distortion power amplifier, and control...

Power amplifier with coupler for cross-coupling amplifiers for redu...

Delay circuit and feedforward amplifier

Patents Applicationslast 30 patents

ELECTRONIC COMPONENT

SEMICONDUCTOR DEVICE AND LEAD FRAME THEREOF

SEMICONDUCTOR DEVICE AND DIE BONDING MATERIAL

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

Lead frame and semiconductor device using the same

Semiconductor module and manufacturing method thereof

Predistortion circuit, low-distortion power amplifier, and control...

PREDISTORTION CIRCUIT, LOW-DISTORTION POWER AMPLIFIER, AND CONTROL...

Hydrogen refining apparatus

Power amplifier

Predistortion circuit, low-distortion power amplifier, and control...

Predistortion circuit, low-distortion power amplifier, and control...

Feedforward amplifier, cummunication apparatus, feedforward amplify...

Hydrogen purification apparatus

Hydrogen formation apparatus, fuel cell system and method for contr...

Power amplifier

Hydrogen purification device and fuel cell power generation system

Predistortion circuit, low-distortion power amplifier, and control...

Hydrogen purification apparatus

Distortion-compensated amplifying circuit

Hydrogen forming device

Predistortion linearizer and predistortion distortion compensation...

Feedforward amplifier

Power amplifier

Predistortion circuit, low-distortion power amplifier, and control...

Predistortion circuit and power amplifier