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Ibaragi, JP
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last 30 patents
Information
Patent Grant
Analog optical transmission system
Patent number
5,453,867
Issue date
Sep 26, 1995
Matsushita Electric Industrial Co., Ltd.
Jun Ohya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Laser element doped with rare earth ions, optical amplifier element...
Patent number
5,426,656
Issue date
Jun 20, 1995
Matsushita Electric Industrial Co., Ltd.
Genji Tohmon
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rare earth ion doped optical element
Patent number
5,341,237
Issue date
Aug 23, 1994
Matsushita Electric Industrial Co., Ltd.
Genji Tohmon
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical fiber amplifier doped with dysprosium ion for the 1.3 .mu.m...
Patent number
5,321,708
Issue date
Jun 14, 1994
Matsushita Electric Industrial Co., Ltd.
Genji Tohmon
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Oscillation frequency stabilized semiconductor laser
Patent number
4,677,630
Issue date
Jun 30, 1987
Matsushita Electric Industrial Co., Ltd.
Toshihiro Fujita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electroluminescent panel including an electrically conductive layer...
Patent number
4,099,091
Issue date
Jul 4, 1978
Matsushita Electric Industrial Co., Ltd.
Hiroshi Yamazoe
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR