Inventor
URANO AKIRA
JP23 patents
Patents
23 patentsUS5556442ASep 17, 1996
Method for fabricating an optical waveguide
SUMITOMO ELECTRIC INDUSTRIES45 citations96
US5983673ANov 16, 1999
Silica glass article and manufacturing process therefor
SUMITOMO ELECTRIC INDUSTRIES54 citations95
US6535679B2Mar 18, 2003
Optical fiber and method of manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES23 citations92
US6360046B1Mar 19, 2002
Dispersion-shifted optical fiber
SUMITOMO ELECTRIC INDUSTRIES29 citations92
US6333283B1Dec 25, 2001
Silica glass article and manufacturing process therefor
SUMITOMO ELECTRIC INDUSTRIES25 citations92
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
US5364428ANov 15, 1994
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES24 citations92
US5217516AJun 8, 1993
Method of making optical glass article
SUMITOMO ELECTRIC INDUSTRIES39 citations92
US5215565AJun 1, 1993
Method for making superconductor filaments
SUMITOMO ELECTRIC INDUSTRIES26 citations92
US5158587AOct 27, 1992
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES34 citations92
US5145507ASep 8, 1992
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES38 citations92
US5053068AOct 1, 1991
High pressure fluorine method for producing preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES22 citations92
US6275638B1Aug 14, 2001
Dispersion-shifted fiber
SUMITOMO ELECTRIC INDUSTRIES18 citations84
US5022904AJun 11, 1991
Method of making optical glass article
SUMITOMO ELECTRIC INDUSTRIES16 citations74
US4968662ANov 6, 1990
Method of the production of ceramic superconductor filaments
SUMITOMO ELECTRIC INDUSTRIES10 citations74
US6709997B2Mar 23, 2004
Silica glass article and manufacturing process therefor
SUMITOMO ELECTRIC INDUSTRIES9 citations73
US5203899AApr 20, 1993
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES19 citations73
US4900894AFeb 13, 1990
Method of heating a quartz glass tube
SUMITOMO ELECTRIC INDUSTRIES11 citations73
US5660611AAug 26, 1997
Method for producing glass thin film
SUMITOMO ELECTRIC INDUSTRIES15 citations72
US5503650AApr 2, 1996
Method for producing a glass thin film with controlloing an oxide vapor of an additive
SUMITOMO ELECTRIC INDUSTRIES6 citations72
US5422975AJun 6, 1995
Optical filter doped with rare earth elements and used with optical fibers
SUMITOMO ELECTRIC INDUSTRIES3 citations58
US6563989B2May 13, 2003
Optical fiber coupler and optical fiber for optical fiber coupler
SUMITOMO ELECTRIC INDUSTRIES4 citations57