Takeshi Kikawa

Person

Kodaira, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device
- Patent number 8,050,305
- Issue date Nov 1, 2011
- Sony Corporation
- Katsumi Kishino
- B82 - NANO-TECHNOLOGY
Information Patent Grant
EL semiconductor device
- Patent number 7,899,104
- Issue date Mar 1, 2011
- Hitachi, Ltd.
- Katsumi Kishino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser diode device
- Patent number 7,668,217
- Issue date Feb 23, 2010
- Hitachi, Ltd.
- Katsumi Kishino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser diode and manufacturing method thereof
- Patent number 6,990,133
- Issue date Jan 24, 2006
- Hitachi, Ltd.
- Takeshi Kikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser diodes and manufacturing methods
- Patent number 6,576,503
- Issue date Jun 10, 2003
- Hitachi, Ltd.
- Takeshi Kikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor radiative device
- Patent number 6,455,876
- Issue date Sep 24, 2002
- Hitachi, Ltd.
- Takeshi Kikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semicoductor device having defect type compound layer between singl...
- Patent number 5,508,554
- Issue date Apr 16, 1996
- Hitachi, Ltd.
- Shinichiro Takatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for etching compound semiconductor
- Patent number 5,399,230
- Issue date Mar 21, 1995
- Hitachi, Ltd.
- Shinichiro Takatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photoconductive device and method of operating same
- Patent number 5,070,272
- Issue date Dec 3, 1991
- Hitachi, Ltd.
- Takeshi Kikawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20100040103
- Publication date Feb 18, 2010
- Hitachi, Ltd
- Katsumi Kishino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER
- Publication number 20090141763
- Publication date Jun 4, 2009
- Katsumi Kishino
- B82 - NANO-TECHNOLOGY
Information Patent Application
EL SEMICONDUCTOR DEVICE
- Publication number 20090059985
- Publication date Mar 5, 2009
- Katsumi Kishino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AND SEMICONDUCTOR SWITCHING...
- Publication number 20090026499
- Publication date Jan 29, 2009
- Takeshi Kikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20080298415
- Publication date Dec 4, 2008
- SONY CORPORATION
- Katsumi Kishino
- B82 - NANO-TECHNOLOGY
Information Patent Application
Semiconductor laser diode device
- Publication number 20080049803
- Publication date Feb 28, 2008
- Hitachi, Ltd.
- Katsumi Kishino
- B82 - NANO-TECHNOLOGY
Information Patent Application
Semiconductor element, production process thereof, semiconductor la...
- Publication number 20070126119
- Publication date Jun 7, 2007
- Ryu Washino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Manufacturing method of semiconductor device and semiconductor manu...
- Publication number 20050287813
- Publication date Dec 29, 2005
- Takeshi Kikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Laser diode and manufacturing method thereof
- Publication number 20050127383
- Publication date Jun 16, 2005
- Takeshi Kikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR RADIATIVE DEVICE
- Publication number 20020113243
- Publication date Aug 22, 2002
- Takeshi Kikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device and method of producing the same
- Publication number 20020115303
- Publication date Aug 22, 2002
- Hitachi, Ltd.
- Hiroshi Ohta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Laser diodes and manufacturing methods
- Publication number 20020042157
- Publication date Apr 11, 2002
- Hitachi, Ltd.
- Takeshi Kikawa
- H01 - BASIC ELECTRIC ELEMENTS

Takeshi Kikawa

Person

Patents Grantslast 30 patents

Semiconductor device

EL semiconductor device

Semiconductor laser diode device

Laser diode and manufacturing method thereof

Laser diodes and manufacturing methods

Semiconductor radiative device

Semicoductor device having defect type compound layer between singl...

Method and apparatus for etching compound semiconductor

Photoconductive device and method of operating same

Patents Applicationslast 30 patents

SEMICONDUCTOR DEVICE

SEMICONDUCTOR LASER

EL SEMICONDUCTOR DEVICE

SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AND SEMICONDUCTOR SWITCHING...

SEMICONDUCTOR DEVICE

Semiconductor laser diode device

Semiconductor element, production process thereof, semiconductor la...

Manufacturing method of semiconductor device and semiconductor manu...

Laser diode and manufacturing method thereof

SEMICONDUCTOR RADIATIVE DEVICE

Semiconductor device and method of producing the same

Laser diodes and manufacturing methods