Inventor
HIROSE CHISAI
JP9 patents
Patents
9 patentsUS5556442ASep 17, 1996
Method for fabricating an optical waveguide
SUMITOMO ELECTRIC INDUSTRIES45 citations96
US5551966ASep 3, 1996
Optical waveguide and method of fabricating the same
SUMITOMO ELECTRIC INDUSTRIES28 citations92
US5385594AJan 31, 1995
Method for fabricating an optical waveguide
SUMITOMO ELECTRIC INDUSTRIES41 citations92
US6643431B2Nov 4, 2003
Optical device and control method thereof
SUMITOMO ELECTRIC INDUSTRIES13 citations84
US6560381B2May 6, 2003
Optical filter
SUMITOMO ELECTRIC INDUSTRIES16 citations83
US6782168B2Aug 24, 2004
Apparatus for and method of monitoring wavelength multiplexed signal light as well as optical transmission system using the same
SUMITOMO ELECTRIC INDUSTRIES6 citations62
US6690872B2Feb 10, 2004
Silica based optical waveguide and production method therefor
SUMITOMO ELECTRIC INDUSTRIES5 citations62
US5693116ADec 2, 1997
Process for producing optical waveguide
SUMITOMO ELECTRIC INDUSTRIES4 citations62
US6819859B2Nov 16, 2004
Planar lightwave circuit type variable optical attenuator
SUMITOMO ELECTRIC INDUSTRIES4 citations61