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Featured researches published by Hoshikawa Keigo.


Archive | 1981

REDUCING METHOD FOR DEFECT OF SILICON SINGLE CRYSTAL

Nakanishi Hideo; Hoshikawa Keigo; Suzuki Masayuki; Ono Masaharu


Archive | 1980

SEMICONDUCTOR SINGLE CRYSTAL GROWING METHOD BY PULLING METHOD

Hoshikawa Keigo; Akai Yasusuke; Muramatsu Fumio


Archive | 1989

METHOD AND APPARATUS FOR GROWING CRYSTAL

Hoshikawa Keigo; Nakanishi Hideo; Koda Hiroki; Sasaura Masahiro


Archive | 1991

CRUCIBLE FOR CRYSTAL PRODUCTION

Koda Hiroki; Hoshikawa Keigo; Nakanishi Hideo


Archive | 1989

METHOD FOR GROWING COMPOUND SEMICONDUCTOR CRYSTAL

Hoshikawa Keigo; Nakanishi Hideo; Koda Hiroki


Archive | 1988

METHOD FOR GROWING SINGLE CRYSTAL AND APPARATUS THEREOF

Nakanishi Hideo; Koda Hiroki; Hoshikawa Keigo; Miyazawa Shintaro


Archive | 1984

RAW MATERIAL FOR PRODUCING SEALED COMPOUND SEMICONDUCTOR CRYSTAL

Oosaka Jirou; Hoshikawa Keigo


Archive | 1980

CRUCIBLE FOR CRYSTAL GROWING CRUCIBLE DEVICE

Kouda Hiroki; Hoshikawa Keigo; Nakanishi Hideo


Archive | 1990

METHOD FOR GROWING GALLIUM ARSENIDE SINGLE CRYSTAL

Nakanishi Hideo; Hoshikawa Keigo; Koda Hiroki; Katsuta Kenji


Archive | 1990

METHOD FOR CONTROLLING CONCENTRATION OF CONTAMINATING IMPURITY

Hirata Hiroshi; Hoshikawa Keigo

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