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Dive into the research topics where Tomohiro Sanpei is active.

Publication


Featured researches published by Tomohiro Sanpei.


Archive | 2011

Illumination device with semiconductor light-emitting elements

Tomohiro Sanpei; Yumiko Hayashida; Masahiro Izumi; Kiyoshi Otani; Yutaka Honda; Shinji Nogi


Archive | 2014

Lighting device and lighting fixture

Makoto Sakai; Shigeru Osawa; Yusuke Shibahara; Takeshi Hisayasu; Kazuto Morikawa; Tomohiro Sanpei; Erika Takenaka


Archive | 2010

Lighting device having a through-hole and a groove portion formed in the thermally conductive main body

Makoto Sakai; Shigeru Osawa; Yusuke Shibahara; Takeshi Hisayasu; Kazuto Morikawa; Tomohiro Sanpei; Erika Takenaka


Archive | 2010

Light-emitting module and illumination device

Kazuto Morikawa; Masahiro Izumi; Kiyoshi Nishimura; Tomohiro Sanpei; Erika Takenaka; Shuhei Matsuda


Archive | 2007

Illumination apparatus having a plurality of semiconductor light-emitting devices

Tomohiro Sanpei; Masahiro Izumi; Shinji Nogi; Akiko Saito


Archive | 2009

Self-ballasted fluorescent lamp and illumination apparatus

Kunihiko Ikada; Tomohiro Sanpei; Yoshiyuki Matsunaga


Archive | 2011

Light emitting element module substrate, light emitting element module, and illuminating device

Akihiko Happoya; Masahiro Izumi; Tomohiro Sanpei


Archive | 2010

LIGHT EMITTING APPARATUS AND ILLUMINATION APPARATUS

Tomohiro Sanpei; Erika Takenaka


Archive | 2010

Light-emitting device.having a frame member surrounding light-emitting elements and illumination device utilizing light-emitting device

Erika Takenaka; Tomohiro Sanpei; Takeo Idezuki


Archive | 2006

Light-emitting diode apparatus

Masahiro Toda; Masami Iwamoto; Takayoshi Moriyama; Akiko Nakanishi; Akiko Saito; Seiko Kawashima; Tomohiro Sanpei; Mitsuru Shiozaki; Hisayo Uetake

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