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Toshiyuki Takeda
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Tokyo, JP
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last 30 patents
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Patent Grant
Variable wavelength light source
Patent number
5,544,183
Issue date
Aug 6, 1996
Ando Electric Co., Ltd.
Toshiyuki Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical amplifier for amplifying a signal light and a continuous li...
Patent number
5,455,710
Issue date
Oct 3, 1995
Ando Electric Co., Ltd.
Toshiyuki Takeda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electronic circuit capable of stably keeping a frequency during pre...
Patent number
4,633,510
Issue date
Dec 30, 1986
NEC Corporation
Fumiaki Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE