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Kenichi Kubodera
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Isehara, JP
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Patents Grants
last 30 patents
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Patent Grant
Method and apparatus for stabilizing frequency of semiconductor laser
Patent number
5,025,448
Issue date
Jun 18, 1991
Nippon Telegraph & Telephone Corporation
Shoichi Sudo
G02 - OPTICS
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Patent Grant
Organic nonlinear optical material and nonlinear optical device
Patent number
4,999,139
Issue date
Mar 12, 1991
Nippon Telegraph & Telephone Corporation
Takashi Kurihara
C07 - ORGANIC CHEMISTRY
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Patent Grant
Organic nonlinear optical material and nonlinear optical device
Patent number
4,997,595
Issue date
Mar 5, 1991
Nippon Telegraph & Telephone Corporation
Takashi Kurihara
C07 - ORGANIC CHEMISTRY