Watson Cole Stevens Davis
Method of producing a laser device
 A semiconductor microstructure is formed by forming a groove having a surface of a side wall and a surface of a bottom, and depositing a semiconductor layer in the groove so that a width of the semiconductor layer is defined by the surface of the side wall. 
Optoelectronics Technology Research Laboratory Matsushita Electric Industrial Co., Ltd.
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inventional inventional additional additional
Shinichi Hitomaro Yukio
Wakabayashi Tougou Toyoda