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Tetsuji Ueda
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Arrayed waveguide grating and multiplexer/demultiplexer system and...
Patent number
6,684,009
Issue date
Jan 27, 2004
NEC Corporation
Tetsuji Ueda
G02 - OPTICS
Information
Patent Grant
Arrayed waveguide grating
Patent number
6,498,878
Issue date
Dec 24, 2002
NEC Corporation
Tetsuji Ueda
G02 - OPTICS
Information
Patent Grant
Optical waveguide switch having peltier junction control elements
Patent number
6,163,633
Issue date
Dec 19, 2000
NEC Corporation
Tetsuji Ueda
G02 - OPTICS
Information
Patent Grant
Optical coupling device
Patent number
5,859,942
Issue date
Jan 12, 1999
NEC Corporation
Tetsuji Ueda
G02 - OPTICS
Information
Patent Grant
Optical connector with protective coating and method of manufacturi...
Patent number
5,790,732
Issue date
Aug 4, 1998
NEC Corporation
Tetsuji Ueda
G02 - OPTICS
Information
Patent Grant
Optical fiber connector with sleeve for resiliently fitting an opti...
Patent number
5,499,310
Issue date
Mar 12, 1996
NEC Corporation
Tetsuji Ueda
G02 - OPTICS
Information
Patent Grant
Optical fiber terminal suitable for automatic assembly
Patent number
5,313,540
Issue date
May 17, 1994
NEC Corporation
Tetsuji Ueda
G02 - OPTICS
Information
Patent Grant
Optical connector with ion exchange hardening
Patent number
5,295,213
Issue date
Mar 15, 1994
NEC Corporation
Tetsuji Ueda
G02 - OPTICS
Information
Patent Grant
Optical module, method for fabricating the same and optical module...
Patent number
5,278,929
Issue date
Jan 11, 1994
NEC Corporation
Yasuhisa Tanisawa
G02 - OPTICS
Information
Patent Grant
Optical fiber connector having a glass ferrule covered by a thin re...
Patent number
5,278,928
Issue date
Jan 11, 1994
NEC Corporation
Tetsuji Ueda
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Arrayed waveguide grating and multiplexer/demultiplexer system and...
Publication number
20020001432
Publication date
Jan 3, 2002
Tetsuji Ueda
G02 - OPTICS