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Latest external collaboration on country level. Dive into details by clicking on the dots.

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Dive into the research topics where Ogawa Koichi is active.

Publication


Featured researches published by Ogawa Koichi.


IEICE Technical Report; IEICE Tech. Rep. | 2008

A Multipath Measurement System with a Variable Power Angular Spectrum for Handset MIMO Antennas

Sakata Tsutomu; Yamamoto Atsushi; Ogawa Koichi


Archive | 2002

ANTENNA SYSTEM AND RADIO EQUIPMENT USING THE SAME

Takagi Naoshi; Iwai Hiroshi; Ogawa Koichi


Archive | 1981

MOBILE RADIO UNIT

Iwai Hiroshi; Yamamoto Atsushi; Ogawa Koichi; Koguchi Shinji; Takahashi Tsukasa; Yamada Kenichi


Archive | 2004

ELECTROMAGNETIC WAVE MEASURING INSTRUMENT AND ITS METHOD

Kajiwara Shoichi; Ozaki Akihiro; Ogawa Koichi; Koyanagi Yoshio; Asayama Yoshitaka; Saito Yutaka


Archive | 2004

PSEUDO HUMAN BODY DEVICE, PSEUDO FINGER DEVICE, ANTENNA CHARACTERISTIC MEASURING DEVICE USING THEM, ANTENNA ASSEMBLY AND RADIO COMMUNICATION DEVICE USING THE SAME

Iwai Hiroshi; Yamamoto Atsushi; Ogawa Koichi


Archive | 2003

DISPLAY-ANTENNA INTEGRATED STRUCTURE AND COMMUNICATION DEVICE

Iwai Hiroshi; Yamamoto Atsushi; Ogawa Koichi; Kosugi Hiroaki; Yamada Kenichi


Archive | 2003

Multi-resonated antenna

Yamamoto Atsushi; Iwai Hiroshi; Ogawa Koichi


Archive | 2004

DIRECTIVITY CONTROL ANTENNA AND ANTENNA UNIT EMPLOYING THE SAME

Yamamoto Atsushi; Iwai Hiroshi; Ogawa Koichi


Archive | 2002

PSEUDO HUMAN BODY AND MEASURING METHOD USING THE SAME

Iwai Hiroshi; Matsuyoshi Toshimitsu; Ogawa Koichi


Archive | 2000

PATCH ANTENNA SYSTEM

Yamamoto Atsushi; Matsuyoshi Toshimitsu; Ogawa Koichi

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