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Hikaru Achiha
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Aichi, JP
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last 30 patents
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Patent Grant
Dielectric filter and method of manufacturing the same
Patent number
6,188,299
Issue date
Feb 13, 2001
NGK Spark Plug Co., Ltd.
Hirotsugu Kawase
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Piezo-resonator and manufacturing method therefor
Patent number
4,684,843
Issue date
Aug 4, 1987
NGK Spark Plug Co., Ltd.
Kanji Ohya
H03 - BASIC ELECTRONIC CIRCUITRY