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Toshinori Hirataka
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical module, method for manufacturing optical module and optical...
Patent number
7,165,898
Issue date
Jan 23, 2007
Hitachi, Ltd.
Takeshil Kato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for fabricating semiconductor laser element and the same las...
Patent number
6,991,950
Issue date
Jan 31, 2006
Hitachi, Ltd.
Hiroshi Moriya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser device
Patent number
6,937,631
Issue date
Aug 30, 2005
Hitachi, Ltd.
Hiroshi Moriya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical module, method for manufacturing optical module and optical...
Patent number
6,726,375
Issue date
Apr 27, 2004
Hitachi, Ltd.
Takeshil Kato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Module for optical communication
Patent number
6,668,140
Issue date
Dec 23, 2003
Hitachi, Ltd.
Kimio Tatsuno
G02 - OPTICS
Information
Patent Grant
Optical module
Patent number
6,632,027
Issue date
Oct 14, 2003
Hitachi, Ltd.
Kouji Yoshida
G02 - OPTICS
Information
Patent Grant
Optical module, method for manufacturing optical module and optical...
Patent number
6,457,877
Issue date
Oct 1, 2002
Hitachi, Ltd.
Takeshil Kato
G02 - OPTICS
Information
Patent Grant
Optical transmission module for achieving an optimum optical connec...
Patent number
6,364,540
Issue date
Apr 2, 2002
Hitachi, Ltd.
Masato Shishikura
G02 - OPTICS
Information
Patent Grant
Module for optical communication
Patent number
6,341,027
Issue date
Jan 22, 2002
Hitachi, Ltd.
Kimio Tatsuno
G02 - OPTICS
Information
Patent Grant
Optical transmission module for achieving an optimum optical connec...
Patent number
6,290,402
Issue date
Sep 18, 2001
Hiatchi, Ltd.
Masato Shishikura
G02 - OPTICS
Information
Patent Grant
Optical module, method for manufacturing optical module and optical...
Patent number
6,282,352
Issue date
Aug 28, 2001
Hitachi, Ltd.
Takeshi Kato
G02 - OPTICS
Information
Patent Grant
Optical module, method for manufacturing optical module and optical...
Patent number
6,220,764
Issue date
Apr 24, 2001
Hitachi, Ltd.
Takeshi Kato
G02 - OPTICS
Information
Patent Grant
Optical module having semiconductor elements fixedly mounted thereo...
Patent number
5,675,684
Issue date
Oct 7, 1997
Hitachi, Ltd.
Toshinori Hirataka
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Optical module, method for manufacturing optical module and optical...
Publication number
20040165840
Publication date
Aug 26, 2004
Hitachi, Ltd.
Takeshi Kato
G02 - OPTICS
Information
Patent Application
Method for fabricating semiconductor laser element and the same las...
Publication number
20040047380
Publication date
Mar 11, 2004
Hiroshi Moriya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor laser device
Publication number
20030179795
Publication date
Sep 25, 2003
Hiroshi Moriya
B82 - NANO-TECHNOLOGY
Information
Patent Application
Optical module, method for manufacturing optical module and optical...
Publication number
20020197026
Publication date
Dec 26, 2002
Hitachi, Ltd.
Takeshil Kato
G02 - OPTICS
Information
Patent Application
Module for optical communication
Publication number
20020044323
Publication date
Apr 18, 2002
Hitachi, Ltd.
Kimio Tatsuno
G02 - OPTICS
Information
Patent Application
Optical transmission module for achieving an optimum optical connec...
Publication number
20010048792
Publication date
Dec 6, 2001
Hitachi, Ltd.
Masato Shishikura
G02 - OPTICS
Information
Patent Application
Optical module, method for manufacturing optical module and optical...
Publication number
20010009599
Publication date
Jul 26, 2001
Hitachi, Ltd.
Takeshil Kato
G02 - OPTICS