Hideki Tomozawa

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Flip-chip type semiconductor light-emitting device, method for manu...
- Patent number 8,022,419
- Issue date Sep 20, 2011
- Showa Denko K.K.
- Takaki Yasuda
- F21 - LIGHTING
Information Patent Grant
N-type group III nitride semiconductor layered structure
- Patent number 7,855,386
- Issue date Dec 21, 2010
- Showa Denko K.K.
- Akira Bandoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pn junction type group III nitride semiconductor light-emitting device
- Patent number 7,781,777
- Issue date Aug 24, 2010
- Showa Denko K.K.
- Takaki Yasuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nitride semiconductor; light-emitting device, light-emitting diode,...
- Patent number 7,488,971
- Issue date Feb 10, 2009
- Showa Denko K.K.
- Masato Kobayakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gallium nitride-based semiconductor device
- Patent number 7,453,091
- Issue date Nov 18, 2008
- Showa Denko K.K.
- Masato Kobayakawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Gallium nitride-based semiconductor device
- Patent number 7,436,045
- Issue date Oct 14, 2008
- Showa Denko K.K.
- Masato Kobayakawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Gallium nitride-based compound semiconductor light-emitting device...
- Patent number 7,402,841
- Issue date Jul 22, 2008
- Showa Denko K.K.
- Hideki Tomozawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for suppressing electrification and for observing or inspect...
- Patent number 5,783,251
- Issue date Jul 21, 1998
- Showa Denko K.K.
- Hideki Tomozawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Processed substrate obtained by a process for effecting suppression...
- Patent number 5,589,270
- Issue date Dec 31, 1996
- Hitachi, Ltd.
- Fumio Murai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for suppression of electrification
- Patent number 5,437,893
- Issue date Aug 1, 1995
- Hitachi, Ltd.
- Fumio Murai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for suppression of electrification
- Patent number 5,256,454
- Issue date Oct 26, 1993
- Hitachi, Ltd.
- Fumio Murai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
FLIP-CHIP TYPE SEMICONDUCTOR LIGHT-EMITTING DEVICE, METHOD FOR MANU...
- Publication number 20090159902
- Publication date Jun 25, 2009
- Showa Denko K.K.
- Takaki Yasuda
- F21 - LIGHTING
Information Patent Application
N-Type Group III Nitride Semiconductor Layered Structure
- Publication number 20080230800
- Publication date Sep 25, 2008
- Akira Bandoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Pn Junction Type Group III Nitride Semiconductor Light-Emitting Device
- Publication number 20080230794
- Publication date Sep 25, 2008
- Takaki Yasuda
- B82 - NANO-TECHNOLOGY
Information Patent Application
Gallium nitride-based semiconductor device
- Publication number 20070187693
- Publication date Aug 16, 2007
- Showa Denko K.K.
- Masato Kobayakawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Gallium nitride-based semiconductor device
- Publication number 20070152232
- Publication date Jul 5, 2007
- SHOWA DENKO K.K.
- Masato Kobayakawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Gallium nitride-based compound semiconductor light-emitting device...
- Publication number 20070040183
- Publication date Feb 22, 2007
- Hideki Tomozawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Nitride semiconductor; light-emitting device, light-emitting diode,...
- Publication number 20070012932
- Publication date Jan 18, 2007
- Masato Kobayakawa
- B82 - NANO-TECHNOLOGY

Hideki Tomozawa

Person

Patents Grantslast 30 patents

Flip-chip type semiconductor light-emitting device, method for manu...

N-type group III nitride semiconductor layered structure

Pn junction type group III nitride semiconductor light-emitting device

Nitride semiconductor; light-emitting device, light-emitting diode,...

Gallium nitride-based semiconductor device

Gallium nitride-based semiconductor device

Gallium nitride-based compound semiconductor light-emitting device...

Method for suppressing electrification and for observing or inspect...

Processed substrate obtained by a process for effecting suppression...

Method for suppression of electrification

Method for suppression of electrification

Patents Applicationslast 30 patents

FLIP-CHIP TYPE SEMICONDUCTOR LIGHT-EMITTING DEVICE, METHOD FOR MANU...

N-Type Group III Nitride Semiconductor Layered Structure

Pn Junction Type Group III Nitride Semiconductor Light-Emitting Device

Gallium nitride-based semiconductor device

Gallium nitride-based semiconductor device

Gallium nitride-based compound semiconductor light-emitting device...

Nitride semiconductor; light-emitting device, light-emitting diode,...