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Youichi Morinaga
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Yokohama, JP
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last 30 patents
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 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 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
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
Fast frequency switching synthesizer
Patent number
5,872,487
Issue date
Feb 16, 1999
Matsushita Electric Industrial Co., Ltd.
Hisashi Adachi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Antenna diversity switching device with switching circuits between...
Patent number
5,594,394
Issue date
Jan 14, 1997
Matsushita Electric Industrial Co., Ltd.
Atsushi Sasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE