Chikara WATATANI

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing semiconductor device
- Patent number 9,171,760
- Issue date Oct 27, 2015
- Mitsubishi Electric Corporation
- Chikara Watatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical element
- Patent number 8,457,451
- Issue date Jun 4, 2013
- Mitsubishi Electric Corporation
- Takeshi Yamatoya
- G02 - OPTICS
Information Patent Grant
Integrated semiconductor optical device
- Patent number 7,876,799
- Issue date Jan 25, 2011
- Mitsubishi Electric Corporation
- Takeshi Yamatoya
- G02 - OPTICS
Information Patent Grant
Method for manufacturing semiconductor device
- Patent number 7,855,096
- Issue date Dec 21, 2010
- Mitsubishi Electric Corporation
- Chikara Watatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing method for semiconductor device
- Patent number 7,816,160
- Issue date Oct 19, 2010
- Mitsubishi Electric Corporation
- Chikara Watatani
- G02 - OPTICS
Information Patent Grant
Buried type semiconductor laser
- Patent number 7,720,123
- Issue date May 18, 2010
- Mitsubishi Electric Corporation
- Tohru Takiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device and method for manufacturing the same se...
- Patent number 7,656,921
- Issue date Feb 2, 2010
- Mitsubishi Denki Kabushiki Kaisha
- Chikara Watatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing semiconductor laser element
- Patent number 7,550,304
- Issue date Jun 23, 2009
- Mitsubishi Electric Corporation
- Takashi Nagira
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing semiconductor laser element
- Patent number 7,544,535
- Issue date Jun 9, 2009
- Mitsubishi Electric Corporation
- Chikara Watatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 7,298,769
- Issue date Nov 20, 2007
- Mitsubishi Denki Kabushiki Kaisha
- Chikara Watatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light-emitting device using graded multi quantum barrier
- Patent number 6,803,597
- Issue date Oct 12, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Chikara Watatani
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME
- Publication number 20250056943
- Publication date Feb 13, 2025
- Mitsubishi Electric Corporation
- Chikara WATATANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER ELEMENT, METHOD FOR MANUFACTURING SAME, AND SEM...
- Publication number 20220344893
- Publication date Oct 27, 2022
- Mitsubishi Electric Corporation
- Chikara WATATANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
- Publication number 20150118827
- Publication date Apr 30, 2015
- Mitsubishi Electric Corporation
- Chikara Watatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL ELEMENT
- Publication number 20100316080
- Publication date Dec 16, 2010
- Mitsubishi Electric Corporation
- Harunaka Yamaguchi
- B82 - NANO-TECHNOLOGY
Information Patent Application
SEMICONDUCTOR OPTICAL ELEMENT AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20100272389
- Publication date Oct 28, 2010
- Mitsubishi Electric Corporation
- Takeshi Yamatoya
- G02 - OPTICS
Information Patent Application
MANUFACTURING METHOD FOR SEMICONDUCTOR DEVICE
- Publication number 20090246903
- Publication date Oct 1, 2009
- Mitsubishi Electric Corporation
- Chikara WATATANI
- G02 - OPTICS
Information Patent Application
INTEGRATED SEMICONDUCTOR OPTICAL DEVICE
- Publication number 20090166807
- Publication date Jul 2, 2009
- Mitsubishi Electric Corporation
- Takeshi Yamatoya
- G02 - OPTICS
Information Patent Application
METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
- Publication number 20090087966
- Publication date Apr 2, 2009
- Mitsubishi Electric Corporation
- Chikara Watatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER DEVICE
- Publication number 20080054277
- Publication date Mar 6, 2008
- Mitsubishi Denki Kabushiki Kaisha
- Masayoshi Takemi
- B82 - NANO-TECHNOLOGY
Information Patent Application
METHOD FOR MANUFACTURING SEMICONDUCTOR LASER ELEMENT
- Publication number 20080050850
- Publication date Feb 28, 2008
- Mitsubishi Electric Corporation
- Takashi NAGIRA
- B82 - NANO-TECHNOLOGY
Information Patent Application
BURIED TYPE SEMICONDUCTOR LASER
- Publication number 20080049805
- Publication date Feb 28, 2008
- Mitsubishi Electric Corporation
- Tohru TAKIGUCHI
- B82 - NANO-TECHNOLOGY
Information Patent Application
METHOD FOR MANUFACTURING SEMICONDUCTOR LASER ELEMENT
- Publication number 20080032435
- Publication date Feb 7, 2008
- MITSUBISHI ELECTRIC CORPORATION
- Chikara Watatani
- B82 - NANO-TECHNOLOGY
Information Patent Application
METHOD OF MANUFACTURING SEMICONDUCTOR MULTILAYER STRUCTURE
- Publication number 20070281383
- Publication date Dec 6, 2007
- Mitsubishi Electric Corporation
- Chikara WATATANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER DEVICE WITH SMALL VARIATION OF THE OSCILLATION...
- Publication number 20070171950
- Publication date Jul 26, 2007
- Mitsubishi Electric Corporation
- Kazuhisa TAKAGI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device and method for manufacturing the same se...
- Publication number 20070091957
- Publication date Apr 26, 2007
- Mitsubishi Denki Kabushiki Kaisha
- Chikara Watatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser
- Publication number 20060268952
- Publication date Nov 30, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Chikara Watatani
- B82 - NANO-TECHNOLOGY
Information Patent Application
Ridge type distributed feedback semiconductor laser
- Publication number 20050123018
- Publication date Jun 9, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Kazuhisa Takagi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor Laser device
- Publication number 20040119081
- Publication date Jun 24, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Masayoshi Takemi
- B82 - NANO-TECHNOLOGY
Information Patent Application
Semiconductor light-emitting device using graded multi quantum barrier
- Publication number 20030197188
- Publication date Oct 23, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Chikara Watatani
- B82 - NANO-TECHNOLOGY

Chikara WATATANI

Person

Patents Grantslast 30 patents

Method of manufacturing semiconductor device

Semiconductor optical element

Integrated semiconductor optical device

Method for manufacturing semiconductor device

Manufacturing method for semiconductor device

Buried type semiconductor laser

Semiconductor laser device and method for manufacturing the same se...

Method for manufacturing semiconductor laser element

Method for manufacturing semiconductor laser element

Semiconductor laser

Semiconductor light-emitting device using graded multi quantum barrier

Patents Applicationslast 30 patents

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME

SEMICONDUCTOR LASER ELEMENT, METHOD FOR MANUFACTURING SAME, AND SEM...

METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE

SEMICONDUCTOR OPTICAL ELEMENT

SEMICONDUCTOR OPTICAL ELEMENT AND METHOD FOR MANUFACTURING THE SAME

MANUFACTURING METHOD FOR SEMICONDUCTOR DEVICE

INTEGRATED SEMICONDUCTOR OPTICAL DEVICE

METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE

SEMICONDUCTOR LASER DEVICE

METHOD FOR MANUFACTURING SEMICONDUCTOR LASER ELEMENT

BURIED TYPE SEMICONDUCTOR LASER

METHOD FOR MANUFACTURING SEMICONDUCTOR LASER ELEMENT

METHOD OF MANUFACTURING SEMICONDUCTOR MULTILAYER STRUCTURE

SEMICONDUCTOR LASER DEVICE WITH SMALL VARIATION OF THE OSCILLATION...

Semiconductor laser device and method for manufacturing the same se...

Semiconductor laser

Ridge type distributed feedback semiconductor laser

Semiconductor Laser device

Semiconductor light-emitting device using graded multi quantum barrier