Inventor
HANADA TADAHIKO
JP6 patents
Patents
6 patentsUS6192712B1Feb 27, 2001
Optical waveguide fabrication method
NEC CORP37 citations91
US7076125B2Jul 11, 2006
Optical circuit element and production method therefor, array-form optical circuit element, optical circuit device using it
NEC CORP14 citations83
US7020367B2Mar 28, 2006
Optical coupler
NEC CORP3 citations61
US6876782B2Apr 5, 2005
Integrated type optical waveguide device
NEC CORP2 citations60
US6684013B2Jan 27, 2004
Optical waveguide device to be optically poled, method of manufacturing optical waveguide device to be optically poled, and method of optically poling optical waveguide device
NEC CORP5 citations58
US7106929B2Sep 12, 2006
Waveguide device
NEC CORP0 citations48