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Keiji Hatakeyama

Toshiba

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Publication

Featured researches published by Keiji Hatakeyama.

Archive | 2001

Fluorescent lamp, self-ballasted fluorescent lamp and lighting apparatus

Kazuhisa Ogishi; Hidenori Ito; Seiko Kawashima; Nobuhiro Tamura; Yuichi Sakakibara; Keiji Hatakeyama

Archive | 1990

Ultraviolet-suppressed light source, coating agent used in the same, and method for manufacturing the same

Akira Taya; Keiji Hatakeyama; Kanehiro Saito; Mitsumasa Saito; Kazuhiko Osada

Archive | 1991

Fluorescent lamp with uv suppressing film and its manufacturing method

Yuichi Sakakibara; Keiji Hatakeyama; Kunihiko Ikada

Archive | 1986

HALOPHOSPHATE PHOSPHOR AND FLUORESCENT LAMP USING THE SAME

Akira Taya; Kazuo Narita; Yasuhiko Hagiwara; Keiji Hatakeyama

Archive | 1991

Fluorescent lamp and its manufacturing method

Yuichi Sakakibara; Keiji Hatakeyama; Kunihiko Ikada

Archive | 1995

Lamp and lighting apparatus utilizing same.

Nobuhiro Tamura; Keiji Hatakeyama

Archive | 1995

TUBULAR BULB, ELECTRIC DISCHARGE LAMP, ELECTRODELESS ELECTRIC DISCHARGE LAMP, FLUORESCENT LAMP, AND LUMINAIRE

Keiji Hatakeyama; Akira Taya; 明 田屋; 圭司 畠山

Journal of The Illuminating Engineering Institute of Japan | 1997

An effect of experimental fluorescent lamp less attracting insects

Tadashi Kobori; Kohtaro Kohmoto; Keiji Hatakeyama

Archive | 1991

Leuchtstofflampe und ihr Herstellungsverfahren

Yuichi Sakakibara; Keiji Hatakeyama; Kunihiko Ikada

Archive | 1991

Leuchtstofflampe und ihr Herstellungsverfahren Fluorescent lamp and its manufacturing method

Yuichi Sakakibara; Keiji Hatakeyama; Kunihiko Ikada

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Collaboration

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Akira Taya

Toshiba

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Kunihiko Ikada

Toshiba

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Yuichi Sakakibara

Toshiba

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Kanehiro Saito

Toshiba

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Kazuhiko Osada

Toshiba

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Mitsumasa Saito

Toshiba

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Jun'etsu Akiyama

Toshiba

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Leo Mori

Toshiba

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Nobuhiro Tamura

Toshiba

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Hidenori Ito

Toshiba

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