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Masahiko Kondow
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Nishinomiya, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Fabrication method for algainnpassb based devices
Patent number
RE41336
Issue date
May 18, 2010
Opnext Japan, Inc
Masahiko Kondow
257 - Active solid-state devices
Information
Patent Grant
Semiconductor laser, ray module using the same and ray communicatio...
Patent number
6,782,032
Issue date
Aug 24, 2004
Hitachi, Ltd.
Masahiko Kondow
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vertical cavity surface emitting lasers, optical modules and systems
Patent number
6,697,405
Issue date
Feb 24, 2004
Hitachi, Ltd.
Takeshi Kitatani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fabrication method for AlGaIn NPAsSb based devices
Patent number
5,937,274
Issue date
Aug 10, 1999
Hitachi, Ltd.
Masahiko Kondow
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Vertical cavity surface emitting laser, optical transmitter-receive...
Patent number
5,912,913
Issue date
Jun 15, 1999
Hitachi, Ltd.
Masahiko Kondow
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Hetero crystalline structure and semiconductor device using it
Patent number
5,300,793
Issue date
Apr 5, 1994
Hitachi, Ltd.
Masahiko Kondow
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optoelectronic devices
Patent number
5,157,679
Issue date
Oct 20, 1992
Hitachi Ltd.
Masahiko Kondow
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser device
Patent number
4,841,531
Issue date
Jun 20, 1989
Hitachi, Ltd.
Masahiko Kondow
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Opto-electronic device
Patent number
4,794,606
Issue date
Dec 27, 1988
Hitachi, Ltd.
Masahiko Kondow
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
Information
Patent Application
Semiconductor lasers, and optical modules and systems using these l...
Publication number
20030103516
Publication date
Jun 5, 2003
Hitachi, Ltd.
Takeshi Kitatani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor laser, ray module using the same and ray communicatio...
Publication number
20020176465
Publication date
Nov 28, 2002
Hitachi, Ltd.
Masahiko Kondow
B82 - NANO-TECHNOLOGY
Information
Patent Application
Vertical cavity surface emitting lasers, optical modules and systems
Publication number
20020075921
Publication date
Jun 20, 2002
Takeshi Kitatani
H01 - BASIC ELECTRIC ELEMENTS