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Dive into the research topics where Koichi Kumagai is active.

Publication


Featured researches published by Koichi Kumagai.


Archive | 1993

Resin circuit substrate and manufacturing method therefor

Koichi Kumagai


Archive | 1999

Design evaluating method and apparatus for assisting circuit-board assembly

Koichi Kumagai


Archive | 1997

Semiconductor element-mounting board and semiconductor device

Takaaki Higashida; Koichi Kumagai; Takahiro Matsuo


Archive | 1990

Multilayer ceramic substrate and method for making the same

Koichi Kumagai; Shinji Shimazaki


Archive | 1990

Semiconductor element package and semiconductor element package mounting distributing circuit basic plate

Yutaka Makino; Kazumi Ishimoto; Yasuo Izumi; Yoshifumi Kitayama; Koichi Kumagai


Archive | 1997

Method and apparatus for packaging IC chip, and tape-shaped carrier to be used therefor

Makoto Imanishi; Yoshifumi Kitayama; Koichi Kumagai; Shinji Kanayama; Yoshinori Wada; Takahiro Yonezawa; Kazushi Higashi


Archive | 2004

Method of manufacturing a semiconductor element-mounting board

Takaaki Higashida; Koichi Kumagai; Takahiro Matsuo


Archive | 1984

MANUFACTURE OF CERAMIC MULTILAYER CIRCUIT BOARD

Shinji Shimazaki; Koichi Kumagai


Archive | 1998

Ic chip feeder, feeding method and stripe tape-like support being used therein

Kazuji Azuma; Makoto Imanishi; Shinji Kanayama; Yoshifumi Kitayama; Hiroyuki Kiyomura; Koichi Kumagai; Shinya Matsumura; Yoshinori Wada; Takahiro Yonezawa; 誠 今西; 喜文 北山; 義則 和田; 和司 東; 信弥 松村; 浩之 清村; 浩一 熊谷; 隆弘 米澤; 真司 金山


Archive | 1990

Film material for film carrier manufacture and a method for manufacturing film carrier

Yutaka Makino; Kazumi Ishimoto; Koichi Kumagai; Yasuo Izumi

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