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Yoshimitsu Asahina
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Filter processing system for the output signal of optical time doma...
Patent number
6,882,410
Issue date
Apr 19, 2005
Ando Electric Co., Ltd.
Yoshimitsu Asahina
G01 - MEASURING TESTING
Information
Patent Grant
Measuring method and measuring apparatus of wavelength dispersion d...
Patent number
6,781,678
Issue date
Aug 24, 2004
Ando Electric Co., Ltd.
Shoichi Aoki
G01 - MEASURING TESTING
Information
Patent Grant
Frequency spectrum method and frequency spectrum analyzer
Patent number
6,496,134
Issue date
Dec 17, 2002
Ando Electric Co., Ltd.
Yoshimitsu Asahina
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Filter processing system for the output signal of optical time doma...
Publication number
20030234922
Publication date
Dec 25, 2003
Yoshimitsu Asahina
G01 - MEASURING TESTING
Information
Patent Application
Measuring method and measuring apparatus of wavelength dispersion d...
Publication number
20030081199
Publication date
May 1, 2003
Shoichi Aoki
G01 - MEASURING TESTING