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Hiroyuki Iyama

Hitachi

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Publication

Featured researches published by Hiroyuki Iyama.

Archive | 1994

Electric discharge lamp lighting device

Teruichi Tomura; Mitsuo Akatsuka; Hiroyuki Iyama

Archive | 1992

Stripline patch antenna with slot plate

Masahiko Ohta; Kazuo Kaneko; Hiroyuki Iyama; Seizi Kado; Mitisuru Hirao; Hironori Ishizaka; Kenji Ohmaru; Takao Murata

Archive | 1976

Starter for discharge lamp

Hiroyuki Iyama; Mitsuo Akatsuka; Teruichi Tomura

Archive | 1974

Discharge lamp control circuit

Teruichi Tomura; Hiroyuki Iyama; Mitsuo Akatsuka

Archive | 1976

SOLID STATE STARTER APPARATUS FOR A DISCHARGE LAMP

Ichiro Imaizumi; Teruichi Tomura; Mitsuo Akatsuka; Mineo Katsueda; Toshiaki Okada; Hiroyuki Iyama

Archive | 1975

High pressure steam discharge lamp

Mitsuo Akatsuka; Hiroyuki Iyama; Hisashi Miyashita; Koichi Tomura; Mikiya Yamane

Journal of Light & Visual Environment | 1981

Solid state ballast for a 40W circular fluorescent lamp

Hiroyuki Iyama; Yoshio Watanabe; Mitsuo Akatsuka; Haruki Komatsu

Journal of The Illuminating Engineering Institute of Japan | 1979

Current Feedback Transistor Inverter for Fluorescent Lamps

Teruichi Tomura; Hiroyuki Iyama; Mitsuo Akatsuka

Journal of The Illuminating Engineering Institute of Japan | 1983

Hybrid Ballast for a Low-power High-pressure Sodium Discharge Lamp

Hiroyuki Iyama; Atsuo Koyama; Mitsuo Akatsuka; Haruki Komatsu

Journal of The Illuminating Engineering Institute of Japan | 1981

Efficiency Improvement of Emergency Lighting Circuit by Separately Excited One Transistor Inverter

Hiroyuki Iyama; Mitsuo Akatsuka

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Mitsuo Akatsuka

Hitachi

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Teruichi Tomura

Hitachi

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Haruki Komatsu

Hitachi

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Yoshio Watanabe

Hitachi

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Atsuo Koyama

Hitachi

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Hironori Ishizaka

Hitachi

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Ichiro Imaizumi

Hitachi

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Kazuo Kaneko

Hitachi

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Kenji Ohmaru

Hitachi

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Masahiko Ohta

Hitachi

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