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Dive into the research topics where Kumagai Jun is active.

Publication


Featured researches published by Kumagai Jun.


Archive | 2012

HEAT RADIATION STRUCTURE OF HEAT GENERATING COMPONENT ON AUXILIARY BOARD

Kumagai Jun; Kamoi Takeshi; Hasegawa Junichi; Sato Kenji; Miyamoto Akinobu


Archive | 2010

HIGH PRESSURE DISCHARGE LAMP LIGHTING DEVICE, AND ILLUMINATION APPARATUS

Goriki Kenji; Eriguchi Hiroyasu; Kamoi Takeshi; Kumagai Jun; Komatsu Naoki; Yufuku Akira; Matsuzaki Nobutoshi; Osada Akira; Yamahara Daisuke


Archive | 2010

DISCHARGE LAMP LIGHTING DEVICE AND LIGHTING FIXTU

Osada Akira; Kumagai Jun; Matsuzaki Nobutoshi


Archive | 2012

HEAT SINK ATTACHMENT STRUCTURE

Kumagai Jun; Miyamoto Akinobu; Sato Kenji; Kamoi Takeshi; Hasegawa Junichi


Archive | 2012

DISCHARGE LAMP LIGHTING DEVICE AND LIGHTING FIXTURE AS WELL AS LIGHTING SYSTEM

Hasegawa Junichi; Kamoi Takeshi; Kumagai Jun; Sato Kenji


Archive | 2012

PRINTED CIRCUIT BOARD INSULATION SPACER, AND PRINTED CIRCUIT BOARD UNIT INCLUDING THE SAME

Kumagai Jun; Sato Kenji; Miyamoto Akinobu; Kamoi Takeshi; Hasegawa Junichi


Archive | 2011

ELECTRONIC DEVICE, AND LIGHT DEVICE AND ILLUMINATION DEVICE USING THE ELECTRONIC APPARATUS

Kamoi Takeshi; Hasegawa Junichi; Kumagai Jun; Sato Kenji


Archive | 2011

CONNECTION STRUCTURE FOR PRINTED WIRING BOARD

Kamoi Takeshi; Hasegawa Junichi; Kumagai Jun; Sato Kenji


Archive | 2010

HIGH PRESSURE DISCHARGE LAMP LIGHTING DEVICE, ILLUMINATION FIXTURE AND ILLUMINATION SYSTEM USING THE SAME

Kumagai Jun; Matsuzaki Nobutoshi; Osada Akira


Archive | 2009

High pressure discharge lamp lighting device, and illumination fixture and illumination system using the same

Nagataatu Satoru; Kumagai Jun; Matsuzaki Nobutoshi

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