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Satoshi Tatsuura
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical circuit system and components of same
Patent number
6,693,736
Issue date
Feb 17, 2004
Fujitsu Limited
Tetsuzo Yoshimura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical circuit device, its manufacturing process and a multilayer...
Patent number
6,338,975
Issue date
Jan 15, 2002
Fujitsu Limited
Tetsuzo Yoshimura
G02 - OPTICS
Information
Patent Grant
Optical circuit system and components of same technical field
Patent number
6,215,585
Issue date
Apr 10, 2001
Fujitsu Limited
Tetsuzo Yoshimura
G02 - OPTICS
Information
Patent Grant
Method of producing optical waveguide system, optical device and op...
Patent number
6,081,632
Issue date
Jun 27, 2000
Fujitsu Limited
Tetsuzo Yoshimura
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Optical circuit device, its manufacturing process and a multilayer...
Patent number
5,917,980
Issue date
Jun 29, 1999
Fujitsu Limited
Tetsuzo Yoshimura
G02 - OPTICS
Information
Patent Grant
Active optical circuit sheet or active optical circuit board, activ...
Patent number
5,835,646
Issue date
Nov 10, 1998
Fujitsu Limited
Tetsuzo Yoshimura
G02 - OPTICS
Information
Patent Grant
Optical integrated circuit, optical circuit waveguide device and pr...
Patent number
5,818,983
Issue date
Oct 6, 1998
Fujitsu Limited
Tetsuzo Yoshimura
G02 - OPTICS
Information
Patent Grant
Optical circuit system capable of producing optical signal having a...
Patent number
5,757,989
Issue date
May 26, 1998
Fujitsu Limited
Tetsuzo Yoshimura
G02 - OPTICS
Information
Patent Grant
Nonlinear optical material, process of production of same, and nonl...
Patent number
5,659,010
Issue date
Aug 19, 1997
Fujitsu Limited
Wataru Sotoyama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Nonlinear optical material, process of production of same, and nonl...
Patent number
5,612,449
Issue date
Mar 18, 1997
Fujitsu Limited
Wataru Sotoyama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Nonlinear optical material and nonlinear optical device and directi...
Patent number
5,594,093
Issue date
Jan 14, 1997
Fujitsu Limited
Wataru Sotoyama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Nonlinear optical material, process of production of same, and nonl...
Patent number
5,459,232
Issue date
Oct 17, 1995
Fujitsu Limited
Wataru Sotoyama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Organic functional optical thin film, fabrication and use thereof
Patent number
5,444,811
Issue date
Aug 22, 1995
Fujitsu Limited
Tetsuzo Yoshimura
B82 - NANO-TECHNOLOGY