Hiroshi Chikugawa

Person

Nara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image capturing device having pulsed LED flash
- Patent number 8,687,109
- Issue date Apr 1, 2014
- Sharp Kabushiki Kaisha
- Eiji Kametani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor light emitting device
- Patent number 7,593,236
- Issue date Sep 22, 2009
- Sharp Kabushiki Kaisha
- Hiroshi Chikugawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light emitting device
- Patent number 7,282,740
- Issue date Oct 16, 2007
- Sharp Kabushiki Kaisha
- Hiroshi Chikugawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting semiconductor device pulse drive method and pulse dr...
- Patent number 7,242,156
- Issue date Jul 10, 2007
- Sharp Kabushiki Kaisha
- Hiroshi Chikugawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light emitting apparatus generating white light by mixing of light...
- Patent number 7,170,234
- Issue date Jan 30, 2007
- Sharp Kabushiki Kaisha
- Hiroshi Chikugawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Semiconductor light-emitting device and method of manufacturing the...
- Patent number 7,161,190
- Issue date Jan 9, 2007
- Sharp Kabushiki Kaisha
- Hiroshi Chikugawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting semiconductor device and photographic illumination a...
- Patent number 7,046,926
- Issue date May 16, 2006
- Sharp Kabushiki Kaisha
- Hiroshi Chikugawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Packaging for semiconductor laser device and method for producing t...
- Patent number 7,035,301
- Issue date Apr 25, 2006
- Sharp Kabushiki Kaisha
- Hiroshi Chikugawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser device, optical pickup using the same, and appa...
- Patent number 6,956,879
- Issue date Oct 18, 2005
- Sharp Kabushiki Kaisha
- Hideaki Tatsuta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device and resin layer
- Patent number 5,557,116
- Issue date Sep 17, 1996
- Sharp Kabushiki Kaisha
- Katsushige Masui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Driving circuit of a semiconductor laser
- Patent number 5,127,015
- Issue date Jun 30, 1992
- Sharp Kabushiki Kaisha
- Hiroshi Chikugawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
IMAGE CAPTURING DEVICE HAVING PULSED LED FLASH
- Publication number 20090268084
- Publication date Oct 29, 2009
- Eiji Kametani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Semiconductor light emitting device and method of fabricating the same
- Publication number 20070278513
- Publication date Dec 6, 2007
- SHARP KABUSHIKI KAISHA
- Hiroshi Chikugawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor light emitting device
- Publication number 20070237197
- Publication date Oct 11, 2007
- SHARP KABUSHIKI KAISHA
- Hiroshi Chikugawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor light emitting device
- Publication number 20070097683
- Publication date May 3, 2007
- SHARP KABUSHIKI KAISHA
- Hiroshi Chikugawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Light source module, backlight unit, and liquid crystal display device
- Publication number 20060221637
- Publication date Oct 5, 2006
- SHARP KABUSHIKI KAISHA
- Hiroshi Chikugawa
- G02 - OPTICS
Information Patent Application
Light emitting apparatus generating white light by mixing of light...
- Publication number 20060202915
- Publication date Sep 14, 2006
- SHARP KABUSHIKI KAISHA
- Hiroshi Chikugawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Semiconductor light-emitting device and method of manufacturing the...
- Publication number 20060022216
- Publication date Feb 2, 2006
- Sharp Kabushiki Kaisha
- Hiroshi Chikugawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Light emitting apparatus generating white light by mixing of light...
- Publication number 20050280375
- Publication date Dec 22, 2005
- SHARP KABUSHIKI KAISHA
- Hiroshi Chikugawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Semiconductor light emitting device
- Publication number 20050133939
- Publication date Jun 23, 2005
- SHARP KABUSHIKI KAISHA
- Hiroshi Chikugawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Light-emitting semiconductor device pulse drive method and pulse dr...
- Publication number 20050117367
- Publication date Jun 2, 2005
- Sharp Kabushiki Kaisha
- Hiroshi Chikugawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Image capturing device
- Publication number 20050030416
- Publication date Feb 10, 2005
- Eiji Kametani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Semiconductor laser device, optical pickup using the same, and appa...
- Publication number 20050026319
- Publication date Feb 3, 2005
- Hiroshi Chikugawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Light emitting semiconductor device and photographic illumination a...
- Publication number 20040240872
- Publication date Dec 2, 2004
- Hiroshi Chikugawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Semiconductor laser device and method for producing the same
- Publication number 20040071175
- Publication date Apr 15, 2004
- Sharp Kabushiki Kaisha
- Hiroshi Chikugawa
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor laser device, optical pickup using the same, and appa...
- Publication number 20030091075
- Publication date May 15, 2003
- Sharp Kabushiki Kaisha
- Hideaki Tatsuta
- H01 - BASIC ELECTRIC ELEMENTS

Hiroshi Chikugawa

Person

Patents Grantslast 30 patents

Image capturing device having pulsed LED flash

Semiconductor light emitting device

Semiconductor light emitting device

Light-emitting semiconductor device pulse drive method and pulse dr...

Light emitting apparatus generating white light by mixing of light...

Semiconductor light-emitting device and method of manufacturing the...

Light emitting semiconductor device and photographic illumination a...

Packaging for semiconductor laser device and method for producing t...

Semiconductor laser device, optical pickup using the same, and appa...

Semiconductor laser device and resin layer

Driving circuit of a semiconductor laser

Patents Applicationslast 30 patents

IMAGE CAPTURING DEVICE HAVING PULSED LED FLASH

Semiconductor light emitting device and method of fabricating the same

Semiconductor light emitting device

Semiconductor light emitting device

Light source module, backlight unit, and liquid crystal display device

Light emitting apparatus generating white light by mixing of light...

Semiconductor light-emitting device and method of manufacturing the...

Light emitting apparatus generating white light by mixing of light...

Semiconductor light emitting device

Light-emitting semiconductor device pulse drive method and pulse dr...

Image capturing device

Semiconductor laser device, optical pickup using the same, and appa...

Light emitting semiconductor device and photographic illumination a...

Semiconductor laser device and method for producing the same

Semiconductor laser device, optical pickup using the same, and appa...