Inventor
OGASAWARA MATSUYUKI
JP6 patents
Patents
6 patentsUS6815786B2Nov 9, 2004
Semiconductor optical device and method of manufacturing the same
NIPPON TELEGRAPH & TELEPHONE25 citations92
US6717187B2Apr 6, 2004
Semiconductor optical device and the fabrication method
NIPPON TELEGRAPH & TELEPHONE16 citations91
US6990131B2Jan 24, 2006
Semiconductor optical device and method of manufacturing the same
NIPPON TELEGRAPH & TELEPHONE7 citations73
US6692837B2Feb 17, 2004
Semi-insulating substrate, semiconductor optical device and fabrication method of semiconductor thin film
NIPPON TELEGRAPH & TELEPHONE8 citations73
US7060518B2Jun 13, 2006
Semiconductor optical device and the fabrication method
NIPPON TELEGRAPH & TELEPHONE6 citations72
US6982469B2Jan 3, 2006
Semiconductor optical device and the fabrication method
NIPPON TELEGRAPH & TELEPHONE4 citations61