Tomonori Sugiyama

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Directional antenna apparatus

Communications: directive radio wave systems and devices (e.g. – Directive – Utilizing correlation techniques
Reexamination Certificate

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Directional antenna apparatus and mobile communication...

Communications: radio wave antennas – Antennas – With coupling network or impedance in the leadin
Reexamination Certificate

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High-frequency porcelain composition, process for producing...

Compositions: ceramic – Ceramic compositions – Refractory
Reexamination Certificate

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High-frequency porcelain composition, process for producing...

Compositions: ceramic – Ceramic compositions – Refractory
Reexamination Certificate

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Voice frequency response system

Patent

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Profile ID: LFUS-PAI-P-440967

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