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Tadahiko Maeda
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Yokohama, JP
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last 30 patents
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Patent Grant
Tunable resonance device controlled by separate permittivity adjust...
Patent number
5,965,494
Issue date
Oct 12, 1999
Kabushiki Kaisha Toshiba
Yoshiaki Terashima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Portable radio communication device with wide bandwidth and improve...
Patent number
5,936,583
Issue date
Aug 10, 1999
Kabushiki Kaisha Toshiba
Syuichi Sekine
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Portable radio and telephones having notches therein
Patent number
5,903,822
Issue date
May 11, 1999
Kabushiki Kaisha Toshiba
Syuichi Sekine
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Portable radio and telephones having notches therein
Patent number
5,517,676
Issue date
May 14, 1996
Kabushiki Kaisha Toshiba
Syuichi Sekine
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-frequency power amplifier device with drain-control linearizer...
Patent number
5,422,598
Issue date
Jun 6, 1995
Kabushiki Kaisha Toshiba
Tadahiko Maeda
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method and apparatus for measuring antenna radiation efficiency
Patent number
5,300,939
Issue date
Apr 5, 1994
Kabushiki Kaisha Toshiba
Tadahiko Maeda
G01 - MEASURING TESTING
Information
Patent Grant
Radiation field characteristic measuring apparatus
Patent number
4,968,983
Issue date
Nov 6, 1990
Kabushiki Kaisha Toshiba
Tadahiko Maeda
G01 - MEASURING TESTING