Keiji Takaoka

Person

Kawasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Wiring board and a semiconductor device using the same
- Patent number 7,589,282
- Issue date Sep 15, 2009
- Kabushiki Kaisha Toshiba
- Hiroshi Yamada
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Wiring board and a semiconductor device using the same
- Patent number 7,463,491
- Issue date Dec 9, 2008
- Kabushiki Kaisha Toshiba
- Hiroshi Yamada
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Optoelectronic semiconductor device and light signal input/output d...
- Patent number 7,427,804
- Issue date Sep 23, 2008
- Kabushiki Kaisha Toshiba
- Hiroshi Yamada
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Laminated semiconductor substrate and optical semiconductor element
- Patent number 7,276,735
- Issue date Oct 2, 2007
- Kabushiki Kaisha Toshiba
- Mitsuhiro Kushibe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vertical cavity surface emitting laser diode and method for manufac...
- Patent number 7,244,629
- Issue date Jul 17, 2007
- Kabushiki Kaisha Toshiba
- Mizunori Ezaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optoelectronic semiconductor device and light signal input/output d...
- Patent number 7,230,278
- Issue date Jun 12, 2007
- Kabushiki Kaisha Toshiba
- Hiroshi Yamada
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Vertical-cavity surface emitting laser diode and its manufacturing...
- Patent number 7,068,696
- Issue date Jun 27, 2006
- Kabushiki Kaisha Toshiba
- Mizunori Ezaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Resonant-cavity light-emitting diode and optical transmission modul...
- Patent number 6,881,984
- Issue date Apr 19, 2005
- Kabushiki Kaisha Toshiba
- Keiji Takaoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laminated semiconductor substrate and optical semiconductor element
- Patent number 6,768,137
- Issue date Jul 27, 2004
- Kabushiki Kaisha Toshiba
- Mitsuhiro Kushibe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor surface light-emitting device
- Patent number 6,678,307
- Issue date Jan 13, 2004
- Kabushiki Kaisha Toshiba
- Mizunori Ezaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Resonant-cavity light-emitting diode and optical transmission modul...
- Patent number 6,661,031
- Issue date Dec 9, 2003
- Kabushiki Kaisha Toshiba
- Keiji Takaoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vertical cavity-type semiconductor light-emitting device and optica...
- Patent number 6,653,660
- Issue date Nov 25, 2003
- Kabushiki Kaisha Toshiba
- Keiji Takaoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Grating coupled surface emitting device
- Patent number 5,970,081
- Issue date Oct 19, 1999
- Kabushiki Kaisha Toshiba
- Yuzo Hirayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method of manufacturing the same
- Patent number 5,822,349
- Issue date Oct 13, 1998
- Kabushiki Kaisha Toshiba
- Keiji Takaoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical interconnection device
- Patent number 5,434,426
- Issue date Jul 18, 1995
- Kabushiki Kaisha Toshiba
- Hideto Furuyama
- G02 - OPTICS
Information Patent Grant
Semiconductor photodetector device and method of manufacturing the...
- Patent number 5,001,335
- Issue date Mar 19, 1991
- Kabushiki Kaisha Toshiba
- Keiji Takaoka
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Optoelectronic semiconductor device and light signal input/output d...
- Publication number 20070221931
- Publication date Sep 27, 2007
- Kabushiki Kaisha Toshiba
- Hiroshi Yamada
- G02 - OPTICS
Information Patent Application
Wiring board and a semiconductor device using the same
- Publication number 20070151752
- Publication date Jul 5, 2007
- Kabushiki Kaisha Toshiba
- Hiroshi Yamada
- G02 - OPTICS
Information Patent Application
Vertical cavity surface emitting laser diode
- Publication number 20060187997
- Publication date Aug 24, 2006
- KABUSHIKI KAISHA TOSHIBA
- Mizunori Ezaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vertical cavity surface emitting laser diode and method for manufac...
- Publication number 20050121678
- Publication date Jun 9, 2005
- Kabushiki Kaisha Toshiba
- Mizunori Ezaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optoelectronic semiconductor device and light signal input/output d...
- Publication number 20050087747
- Publication date Apr 28, 2005
- Hiroshi Yamada
- G02 - OPTICS
Information Patent Application
Wiring board and a semiconductor device using the same
- Publication number 20050063635
- Publication date Mar 24, 2005
- Hiroshi Yamada
- G02 - OPTICS
Information Patent Application
Laminated semiconductor substrate and optical semiconductor element
- Publication number 20040245536
- Publication date Dec 9, 2004
- Kabushiki Kaisha Toshiba
- Mitsuhiro Kushibe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vertical-cavity surface emitting laser diode and its manufacturing...
- Publication number 20040165636
- Publication date Aug 26, 2004
- Kabushiki Kaisha Toshiba
- Mizunori Ezaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Resonant-cavity light-emitting diode and optical transmission modul...
- Publication number 20040046180
- Publication date Mar 11, 2004
- Kabushiki Kaisha Toshiba
- Keiji Takaoka
- G02 - OPTICS
Information Patent Application
Laminated semiconductor substrate and optical semiconductor element
- Publication number 20030183837
- Publication date Oct 2, 2003
- Kabushiki Kaisha Toshiba
- Mitsuhiro Kushibe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor surface light-emitting device
- Publication number 20030063649
- Publication date Apr 3, 2003
- Mizunori Ezaki
- B82 - NANO-TECHNOLOGY
Information Patent Application
Resonant-cavity light-emitting diode and optical transmission modul...
- Publication number 20020134987
- Publication date Sep 26, 2002
- Keiji Takaoka
- G02 - OPTICS
Information Patent Application
Vertical cavity-type semiconductor light-emitting device and optica...
- Publication number 20020038869
- Publication date Apr 4, 2002
- Keiji Takaoka
- H01 - BASIC ELECTRIC ELEMENTS

Keiji Takaoka

Person

Patents Grantslast 30 patents

Wiring board and a semiconductor device using the same

Wiring board and a semiconductor device using the same

Optoelectronic semiconductor device and light signal input/output d...

Laminated semiconductor substrate and optical semiconductor element

Vertical cavity surface emitting laser diode and method for manufac...

Optoelectronic semiconductor device and light signal input/output d...

Vertical-cavity surface emitting laser diode and its manufacturing...

Resonant-cavity light-emitting diode and optical transmission modul...

Laminated semiconductor substrate and optical semiconductor element

Semiconductor surface light-emitting device

Resonant-cavity light-emitting diode and optical transmission modul...

Vertical cavity-type semiconductor light-emitting device and optica...

Grating coupled surface emitting device

Semiconductor device and method of manufacturing the same

Optical interconnection device

Semiconductor photodetector device and method of manufacturing the...

Patents Applicationslast 30 patents

Optoelectronic semiconductor device and light signal input/output d...

Wiring board and a semiconductor device using the same

Vertical cavity surface emitting laser diode

Vertical cavity surface emitting laser diode and method for manufac...

Optoelectronic semiconductor device and light signal input/output d...

Wiring board and a semiconductor device using the same

Laminated semiconductor substrate and optical semiconductor element

Vertical-cavity surface emitting laser diode and its manufacturing...

Resonant-cavity light-emitting diode and optical transmission modul...

Laminated semiconductor substrate and optical semiconductor element

Semiconductor surface light-emitting device

Resonant-cavity light-emitting diode and optical transmission modul...

Vertical cavity-type semiconductor light-emitting device and optica...