Ikuo Maeda

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Variable optical attenuator
- Patent number 6,870,675
- Issue date Mar 22, 2005
- FDK Corporation
- Keisuke Ikeda
- G02 - OPTICS
Information Patent Grant
Variable optical gain equalizer and variable branching ratio beam s...
- Patent number 6,798,566
- Issue date Sep 28, 2004
- FDK Corporation
- Shohei Abe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Twin-core ferrule structure for an optical connector
- Patent number 6,155,722
- Issue date Dec 5, 2000
- Totoku Electric Co., Ltd.
- Masanori Nonomura
- G02 - OPTICS
Information Patent Grant
Optical isolator
- Patent number 5,315,431
- Issue date May 24, 1994
- Fuji Electrochemical Co., Ltd.
- Akihiro Masuda
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Variable optical attenuator
- Publication number 20030058533
- Publication date Mar 27, 2003
- Keisuke Ikeda
- G02 - OPTICS
Information Patent Application
Variable optical gain equalizer and variable branching ratio beam s...
- Publication number 20020191274
- Publication date Dec 19, 2002
- Shohei Abe
- G02 - OPTICS