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Junichiro Hoshizaki
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polarization dispersion compensating apparatus
Patent number
6,882,760
Issue date
Apr 19, 2005
Mitsubishi Denki Kabushiki Kaisha
Masakazu Takabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Variable dispersion compensator
Patent number
6,810,179
Issue date
Oct 26, 2004
Mitsubishi Denki Kabushiki Kaisha
Takuya Ohira
G02 - OPTICS
Information
Patent Grant
PMD compensating apparatus for controlling polarization controller...
Patent number
6,807,322
Issue date
Oct 19, 2004
Mitsubishi Denki Kabushiki Kaisha
Masakazu Takabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of manufacturing grating
Patent number
6,690,860
Issue date
Feb 10, 2004
Mitsubishi Denki Kabushiki Kaisha
Sadayuki Matsumoto
G02 - OPTICS
Information
Patent Grant
Temperature control system for a grating
Patent number
6,643,430
Issue date
Nov 4, 2003
Mitsubishi Denki Kabushiki Kaisha
Sadayuki Matsumoto
G02 - OPTICS
Information
Patent Grant
Waveguide grating device and method of controlling Bragg wavelength...
Patent number
6,522,809
Issue date
Feb 18, 2003
Mitsubishi Denki Kabushiki Kaisha
Masakazu Takabayashi
G02 - OPTICS
Information
Patent Grant
Discharge lamp, image display device using the same and discharge l...
Patent number
5,514,934
Issue date
May 7, 1996
Mitsubishi Denki Kabushiki Kaisha
Sadayuki Matsumoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for controlling an image display having gas di...
Patent number
5,444,335
Issue date
Aug 22, 1995
Mitsubishi Denki Kabushiki Kaisha
Sadayuki Matsumoto
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Polarization dispersion compensating apparatus
Publication number
20040101227
Publication date
May 27, 2004
Masakazu Takabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Variable dispersion compensator
Publication number
20030228103
Publication date
Dec 11, 2003
Mitsubishi Denki Kabushiki Kaisha
Takuya Ohira
G02 - OPTICS
Information
Patent Application
PMD compensating apparatus for controlling polarization controller...
Publication number
20030165284
Publication date
Sep 4, 2003
Mitsubishi Denki Kabushiki Kaisha
Masakazu Takabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Temperature control system for a grating
Publication number
20020114570
Publication date
Aug 22, 2002
Sadayuki Matsumoto
G02 - OPTICS
Information
Patent Application
Method of manufacturing grating
Publication number
20020081068
Publication date
Jun 27, 2002
Sadayuki Matsumoto
G02 - OPTICS