Toshio Obara

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Wireless communication device having gain error correcting feature
- Patent number 7,280,839
- Issue date Oct 9, 2007
- Panasonic Mobile Communications Co., Ltd
- Takashi Miura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Antenna selection diversity apparatus and reception method
- Patent number 7,221,963
- Issue date May 22, 2007
- Matsushita Electric Industrial Co., Ltd.
- Yoshiharu Ishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Direct conversion receiver and DC offset reducing method
- Patent number 7,171,185
- Issue date Jan 30, 2007
- Matsushita Electric Industrial Co., Ltd.
- Hidenori Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio communication device that meets a plurality of frequency bands
- Patent number 7,079,817
- Issue date Jul 18, 2006
- Matsushita Electric Industrial Co., Ltd.
- Toshio Obara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio apparatus and transmission/reception method
- Patent number 6,807,237
- Issue date Oct 19, 2004
- Matsushita Electric Industrial Co., Ltd.
- Manabu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power amplifier circuit, control method for power amplifier circuit...
- Patent number 6,639,471
- Issue date Oct 28, 2003
- Matsushita Electric Industrial Co., Ltd.
- Toru Matsuura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transmission electric power control device and control method
- Patent number 6,526,266
- Issue date Feb 25, 2003
- Matsushita Electric Industrial Co., Ltd.
- Toshio Obara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Wireless communication apparatus and transmission power control met...
- Patent number 6,463,264
- Issue date Oct 8, 2002
- Matsushita Electric Industrial Co., Ltd.
- Toshio Obara
- H03 - BASIC ELECTRONIC CIRCUITRY
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
Radio equipment and transmit power controlling method for the same
- Patent number 6,304,749
- Issue date Oct 16, 2001
- Matsushita Electric Industrial Co., Ltd.
- Toshio Obara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transceiver circuits for TDMA system with variable frequency second...
- Patent number 5,987,309
- Issue date Nov 16, 1999
- Matsushita Electric Industrial Co., Ltd.
- Hisashi Adachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Handy image data filing apparatus
- Patent number 4,943,868
- Issue date Jul 24, 1990
- Kabushiki Kaisha Toshiba
- Yoshio Yoshinaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Antenna selection diversity apparatus and receiving method
- Publication number 20060234776
- Publication date Oct 19, 2006
- Yoshiharu Ishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Radio communication device that meets a plurality of frequency bands
- Publication number 20060019612
- Publication date Jan 26, 2006
- Matsushita Electric Industrail Co., Ltd.
- Toshio Obara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless communication device
- Publication number 20060009163
- Publication date Jan 12, 2006
- Panasonic Mobile Communications Co., Ltd.
- Takashi Miura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Direct conversion receiver and dc offset reducing method
- Publication number 20040097212
- Publication date May 20, 2004
- Hidenori Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Power amplifier circuit, control method for power amplifier circuit...
- Publication number 20020175764
- Publication date Nov 28, 2002
- Toru Matsuura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Radio communication apparatus and radio communication method
- Publication number 20020137469
- Publication date Sep 26, 2002
- Manabu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Toshio Obara

Person

Patents Grantslast 30 patents

Wireless communication device having gain error correcting feature

Antenna selection diversity apparatus and reception method

Direct conversion receiver and DC offset reducing method

Radio communication device that meets a plurality of frequency bands

Radio apparatus and transmission/reception method

Power amplifier circuit, control method for power amplifier circuit...

Transmission electric power control device and control method

Wireless communication apparatus and transmission power control met...

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

Radio equipment and transmit power controlling method for the same

Transceiver circuits for TDMA system with variable frequency second...

Handy image data filing apparatus

Patents Applicationslast 30 patents

Antenna selection diversity apparatus and receiving method

Radio communication device that meets a plurality of frequency bands

Wireless communication device

Direct conversion receiver and dc offset reducing method

Power amplifier circuit, control method for power amplifier circuit...

Radio communication apparatus and radio communication method