Hiroaki Kosugi

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Frequency synthesizer apparatus equipped with fraction part control...
- Patent number 7,110,486
- Issue date Sep 19, 2006
- Matsushita Electric Industrial Co., Ltd.
- Hisashi Adachi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency synthesizer apparatus equipped with fraction part control...
- Patent number 7,050,525
- Issue date May 23, 2006
- Matsushita Electric Industrial Co., Ltd.
- Hisashi Adachi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Antenna duplexer and mobile communication device using the same
- Patent number 7,038,557
- Issue date May 2, 2006
- Matsushita Electric Industrial Co., Ltd.
- Hiroyuki Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Display-antenna integral structure and communication apparatus
- Patent number 6,825,811
- Issue date Nov 30, 2004
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Iwai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power splitter/combiner circuit, high power amplifier and balun cir...
- Patent number 6,803,837
- Issue date Oct 12, 2004
- Matsushita Electric Industrial Co., Ltd.
- Kaoru Ishida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Frequency synthesizer apparatus equipped with fraction part control...
- Patent number 6,717,998
- Issue date Apr 6, 2004
- Matsushita Electric Industrial Co., Ltd.
- Hisashi Adachi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power splitter/combiner multi-layer circuit
- Patent number 6,690,249
- Issue date Feb 10, 2004
- Matsushita Electric Industrial Co., Ltd.
- Kaoru Ishida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multi-carrier transmitter circuit and communication equipment
- Patent number 6,590,906
- Issue date Jul 8, 2003
- Matsushita Electric Industrial Co., Ltd.
- Kaoru Ishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power splitter/combiner circuit, high power amplifier and balun cir...
- Patent number 6,563,395
- Issue date May 13, 2003
- Matsushita Electric Industrial Co., Ltd.
- Kaoru Ishida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
External adapter for a portable cellular phone
- Patent number 6,459,915
- Issue date Oct 1, 2002
- Matsushita Electric Industrial Co. Ltd.
- Hiroyuki Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
PLL frequency synthesizer
- Patent number 6,441,692
- Issue date Aug 27, 2002
- Matsushita Electric Industrial Co., Ltd.
- Toshifumi Nakatani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Radio circuit having a local oscillator frequency which differs fro...
- Patent number 6,421,530
- Issue date Jul 16, 2002
- Matsushita Electric Industrial Co., Ltd.
- Hisashi Adachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission system, transmission/reception system, and local oscil...
- Patent number 6,347,219
- Issue date Feb 12, 2002
- Matsushita Electric Industrial Co., Ltd.
- Koji Takinami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power amplifier, power control method for power amplifier, and comm...
- Patent number 6,329,875
- Issue date Dec 11, 2001
- Matsushita Electric Industrial Co., Ltd.
- Kaoru Ishida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Feedforward amplifier
- Patent number 6,326,845
- Issue date Dec 4, 2001
- Matsushita Electric Industrial Co., Ltd.
- Masayuki Miyaji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power splitter and power combiner using N-branch-line-shaped direct...
- Patent number 6,300,848
- Issue date Oct 9, 2001
- Matsushita Electric Industrial Co., Ltd.
- Masayuki Miyaji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multi-mode wireless communication system
- Patent number 6,269,253
- Issue date Jul 31, 2001
- Matsushita Electric Industrial Co., Ltd.
- Takaaki Maegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver and transmitter-receiver
- Patent number 6,259,895
- Issue date Jul 10, 2001
- Matsushita Electric Industrial Co., Ltd.
- Yoshishige Yoshikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio circuit apparatus and radio communication equipment
- Patent number 6,226,499
- Issue date May 1, 2001
- Matsushita Electric Industrial Co., Ltd.
- Toshifumi Nakatani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power splitter/ combiner circuit, high power amplifier and balun ci...
- Patent number 6,201,439
- Issue date Mar 13, 2001
- Matsushita Electric Industrial Co., Ltd.
- Kaoru Ishida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multiband mobile unit communication apparatus
- Patent number 6,175,746
- Issue date Jan 16, 2001
- Matsushita Electric Industrial Co., Ltd.
- Keiichi Nakayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High-frequency oscillating circuit
- Patent number 6,169,461
- Issue date Jan 2, 2001
- Matsushita Electric Industrial Co., Ltd.
- Toshiaki Andoh
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Time division multiple access FDD/TDD dual mode radio and a time di...
- Patent number 6,130,897
- Issue date Oct 10, 2000
- Matsushita Electric Industrial Co., Ltd.
- Kaoru Ishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power amplifier
- Patent number 6,114,911
- Issue date Sep 5, 2000
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Iwai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Mobile communication apparatus operable in different formats and pa...
- Patent number 6,094,564
- Issue date Jul 25, 2000
- Matsushita Electric Industrial Co., Ltd.
- Wataru Tomiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile telephone transmitter with internal auxiliary matching circuit
- Patent number 6,081,694
- Issue date Jun 27, 2000
- Matsushita Electric Industrial Co., Ltd.
- Toru Matsuura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power amplifier MMIC and mobile communication terminal
- Patent number 6,054,900
- Issue date Apr 25, 2000
- Matsushita Electric Industrial Co., Ltd.
- Kaoru Ishida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Feed forward amplifier
- Patent number 6,037,837
- Issue date Mar 14, 2000
- Matsushita Electric Industrial Co., Ltd.
- Masayuki Miyaji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Mobile radio communication apparatus
- Patent number 6,032,032
- Issue date Feb 29, 2000
- Matsushita Electric Industrial Co., Ltd.
- Hidenobu Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiving mixer circuit for mobile radio transceiver designed to op...
- Patent number 6,006,080
- Issue date Dec 21, 1999
- Matsushita Electric Industrial Co., Ltd.
- Hidenobu Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Frequency synthesizer apparatus equipped with fraction part control...
- Publication number 20060115036
- Publication date Jun 1, 2006
- Hisashi Adachi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Frequency synthesizer apparatus equipped with fraction part control...
- Publication number 20040081266
- Publication date Apr 29, 2004
- Hisashi Adachi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Power splitter/combiner circuit, high power amplifier and balun cir...
- Publication number 20040061568
- Publication date Apr 1, 2004
- Kaoru Ishida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Power splitter/combiner circuit, high power amplifier and balun cir...
- Publication number 20030197574
- Publication date Oct 23, 2003
- Kaoru Ishida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Display-antenna integral structure and communication apparatus
- Publication number 20030038751
- Publication date Feb 27, 2003
- Hiroshi Iwai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Antenna duplexer and mobile communication device using the same
- Publication number 20020186757
- Publication date Dec 12, 2002
- Hiroyuki Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Power splitter/combiner circuit, high power amplifier and balun cir...
- Publication number 20020097088
- Publication date Jul 25, 2002
- Kaoru Ishida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Frequency synthesizer apparatus equipped with fraction part control...
- Publication number 20020061086
- Publication date May 23, 2002
- Hisashi Adachi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AN EXTERNAL ADAPTER FOR A PORTABLE CELLULAR PHONE
- Publication number 20010051537
- Publication date Dec 13, 2001
- HIROYUKI NAKAMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Power splitter/combiner circuit, high power amplifier and balun cir...
- Publication number 20010001548
- Publication date May 24, 2001
- Kaoru Ishida
- H01 - BASIC ELECTRIC ELEMENTS

Hiroaki Kosugi

Person

Patents Grantslast 30 patents

Frequency synthesizer apparatus equipped with fraction part control...

Frequency synthesizer apparatus equipped with fraction part control...

Antenna duplexer and mobile communication device using the same

Display-antenna integral structure and communication apparatus

Power splitter/combiner circuit, high power amplifier and balun cir...

Frequency synthesizer apparatus equipped with fraction part control...

Power splitter/combiner multi-layer circuit

Multi-carrier transmitter circuit and communication equipment

Power splitter/combiner circuit, high power amplifier and balun cir...

External adapter for a portable cellular phone

PLL frequency synthesizer

Radio circuit having a local oscillator frequency which differs fro...

Transmission system, transmission/reception system, and local oscil...

Power amplifier, power control method for power amplifier, and comm...

Feedforward amplifier

Power splitter and power combiner using N-branch-line-shaped direct...

Multi-mode wireless communication system

Receiver and transmitter-receiver

Radio circuit apparatus and radio communication equipment

Power splitter/ combiner circuit, high power amplifier and balun ci...

Multiband mobile unit communication apparatus

High-frequency oscillating circuit

Time division multiple access FDD/TDD dual mode radio and a time di...

Power amplifier

Mobile communication apparatus operable in different formats and pa...

Mobile telephone transmitter with internal auxiliary matching circuit

Power amplifier MMIC and mobile communication terminal

Feed forward amplifier

Mobile radio communication apparatus

Receiving mixer circuit for mobile radio transceiver designed to op...

Patents Applicationslast 30 patents

Frequency synthesizer apparatus equipped with fraction part control...

Frequency synthesizer apparatus equipped with fraction part control...

Power splitter/combiner circuit, high power amplifier and balun cir...

Power splitter/combiner circuit, high power amplifier and balun cir...

Display-antenna integral structure and communication apparatus

Antenna duplexer and mobile communication device using the same

Power splitter/combiner circuit, high power amplifier and balun cir...

Frequency synthesizer apparatus equipped with fraction part control...

AN EXTERNAL ADAPTER FOR A PORTABLE CELLULAR PHONE

Power splitter/combiner circuit, high power amplifier and balun cir...