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Dive into the research topics where Tatsuo Ogawa is active.

Publication


Featured researches published by Tatsuo Ogawa.


Archive | 1992

Ladder-type electric filter device

Tatsuo Ogawa; Isao Shimizu


Archive | 1988

Ladder-type electric filter circuit apparatus

Kenji Takamoro; Kenji Mizoe; Tatsuo Ogawa; Yasuhiko Nakagawa


Archive | 1989

Ladder-type piezoelectric filter having higher input and output Qm values

Tatsuo Ogawa; Takesumi Nagai


Archive | 1995

High-frequency ladder type piezoelectric filter and piezoelectric resonator therefor

Tatsuo Ogawa; Yasuhiko Nakagawa


Archive | 1993

Method of adjusting a frequency response in a ladder-type electric filter

Tatsuo Ogawa; Junji Kawai


Archive | 1992

Piezoelectric filter in a casing sealed by an insulating filler and having cranked connecting legs

Tatsuo Iwata; Tatsuo Ogawa; Yasuhiko Nakagawa


Archive | 1998

Chip-type piezoelectric filter and filter circuit using such piezoelectric filter

Kenji Takamoro; Tatsuo Ogawa; Takeshi Sugiyama


Archive | 1995

Ladder type filter with adjustable resonator positioning member

Tatsuo Ogawa; Yasuhiko Nakagawa; Junji Kawai


Archive | 2001

Multilayer type piezoelectric filter with intermediary printed circuit board elements

Eiji Ozeki; Tatsuo Ogawa


Archive | 1995

High-frequency piezoelectric ladder filter and piezoelectric resonator for

Tatsuo Ogawa; Yasuhiko Nakagawa

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