Inventor
SHIMOKOZONO MAKOTO
JP6 patents
Patents
6 patentsUS7492975B2Feb 17, 2009
Optical switch, optical modulator and wavelength variable filter
NIPPON TELEGRAPH & TELEPHONE14 citations91
US7340116B2Mar 4, 2008
Optical switch, optical modulator and wavelength variable filter
NIPPON TELEGRAPH & TELEPHONE7 citations72
US7177514B2Feb 13, 2007
Optical waveguide material and optical waveguide
NIPPON TELEGRAPH & TELEPHONE2 citations62
US7356227B2Apr 8, 2008
Optical switch, optical modulator and wavelength variable filter
NIPPON TELEGRAPH & TELEPHONE3 citations61
US7336854B2Feb 26, 2008
Optical switch, optical modulator and wavelength variable filter
NIPPON TELEGRAPH & TELEPHONE1 citations61
US7340147B2Mar 4, 2008
Optical waveguide material and optical waveguide
NIPPON TELEGRAPH & TELEPHONE0 citations51