Tohru Takiguchi

Person

Itami, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical semiconductor device
- Patent number 9,147,997
- Issue date Sep 29, 2015
- Mitsubishi Electric Corporation
- Takeshi Saito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical semiconductor device
- Patent number 9,042,008
- Issue date May 26, 2015
- Mitsubishi Electric Corporation
- Takeshi Saito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical semiconductor device
- Patent number 8,792,756
- Issue date Jul 29, 2014
- Mitsubishi Electric Corporation
- Tohru Takiguchi
- G02 - OPTICS
Information Patent Grant
Optical waveguide integrated semiconductor optical device
- Patent number 8,233,515
- Issue date Jul 31, 2012
- Mitsubishi Electric Corporation
- Tohru Takiguchi
- G02 - OPTICS
Information Patent Grant
Semiconductor laser
- Patent number 7,835,413
- Issue date Nov 16, 2010
- Mitsubishi Electric Corporation
- Tohru Takiguchi
- H01 - BASIC ELECTRIC ELEMENTS
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
- Patent number 7,675,954
- Issue date Mar 9, 2010
- Mitsubishi Denki Kabushiki Kaisha
- Tomoko Kadowaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical device having an improved current blocking la...
- Patent number 7,504,664
- Issue date Mar 17, 2009
- Mitsubishi Denki Kabushiki Kaisha
- Tohru Takiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ridge waveguide semiconductor laser
- Patent number 7,187,701
- Issue date Mar 6, 2007
- Mitsubishi Denki Kabushiki Kaisha
- Yutaka Mihashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ridge-waveguide semiconductor laser device
- Patent number 6,768,760
- Issue date Jul 27, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Yutaka Mihashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ridge waveguide distributed feedback laser
- Patent number 6,741,630
- Issue date May 25, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Tohru Takiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Distributed feedback laser device and method for manufacturing the...
- Patent number 6,674,784
- Issue date Jan 6, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Tohru Takiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing semiconductor laser device
- Patent number 6,642,075
- Issue date Nov 4, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Tohru Takiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser element
- Patent number 6,618,411
- Issue date Sep 9, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Tohru Takiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device with varying thickness gold electrode
- Patent number 6,583,510
- Issue date Jun 24, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Yoshihiko Hanamaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing an integrated semiconductor laser-modulator...
- Patent number 6,455,338
- Issue date Sep 24, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Kazuhisa Takagi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing semiconductor laser diode
- Patent number 6,277,663
- Issue date Aug 21, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Keisuke Matsumoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Composite optical device
- Patent number 6,026,106
- Issue date Feb 15, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Daisuke Suzuki
- G02 - OPTICS
Information Patent Grant
Semiconductor optical device
- Patent number 5,991,322
- Issue date Nov 23, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Tohru Takiguchi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Light absorption modulator and integrated semiconductor laser and m...
- Patent number 5,771,257
- Issue date Jun 23, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Tohru Takiguchi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of fabricating semiconductor optical device
- Patent number 5,763,287
- Issue date Jun 9, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Takushi Itagaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Strained quantum well structure
- Patent number 5,671,242
- Issue date Sep 23, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Tohru Takiguchi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor laser device having a high emission efficiency and a...
- Patent number 5,544,188
- Issue date Aug 6, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Tohru Takiguchi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor optical devices
- Patent number 5,459,747
- Issue date Oct 17, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Tohru Takiguchi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical switch and method for producing the optical switch
- Patent number 5,452,383
- Issue date Sep 19, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Tohru Takiguchi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for producing an infrared detector
- Patent number 5,198,370
- Issue date Mar 30, 1993
- Mitsubishi Denki Kabushiki Kaisha
- Yuji Ohkura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photodetector
- Patent number 5,187,378
- Issue date Feb 16, 1993
- Mitsubishi Denki Kabushiki Kaisha
- Tohru Takiguchi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE
- Publication number 20150229407
- Publication date Aug 13, 2015
- Mitsubishi Electric Corporation
- Takeshi Saito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE
- Publication number 20140198378
- Publication date Jul 17, 2014
- Mitsubishi Electric Corporation
- Takeshi Saito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE
- Publication number 20140056556
- Publication date Feb 27, 2014
- Mitsubishi Electric Corporation
- Yoshifumi Sasahata
- B82 - NANO-TECHNOLOGY
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE
- Publication number 20130208350
- Publication date Aug 15, 2013
- Mitsubishi Electric Corporation
- Takeshi Saito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE
- Publication number 20130136391
- Publication date May 30, 2013
- Mitsubishi Electric Corporation
- Tohru Takiguchi
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20110317731
- Publication date Dec 29, 2011
- Mitsubishi Electric Corporation
- Tohru Takiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL WAVEGUIDE INTEGRATED SEMICONDUCTOR OPTICAL DEVICE AND MANUF...
- Publication number 20110002352
- Publication date Jan 6, 2011
- Mitsubishi Electric Corporation
- Tohru Takiguchi
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR LASER AND MANUFACTURING METHOD THEREFOR
- Publication number 20090290611
- Publication date Nov 26, 2009
- Mitsubishi Electric Corporation
- Tohru Takiguchi
- H01 - BASIC ELECTRIC ELEMENTS
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
Semiconductor optical device having an improved current blocking la...
- Publication number 20070045633
- Publication date Mar 1, 2007
- Mitsubishi Denki Kabushiki Kaisha
- Tohru Takiguchi
- B82 - NANO-TECHNOLOGY
Information Patent Application
Semiconductor laser device
- Publication number 20060018358
- Publication date Jan 26, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Tomoko Kadowaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Ridge waveguide type semiconductor laser
- Publication number 20040218646
- Publication date Nov 4, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Yutaka Mihashi
- B82 - NANO-TECHNOLOGY
Information Patent Application
Surface-emitting semiconductor laser device
- Publication number 20040125841
- Publication date Jul 1, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Tohru Takiguchi
- B82 - NANO-TECHNOLOGY
Information Patent Application
Ridge waveguide distributed feedback laser
- Publication number 20030185263
- Publication date Oct 2, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Tohru Takiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Ridge-waveguide semiconductor laser device
- Publication number 20030179794
- Publication date Sep 25, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Yutaka Mihashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for manufacturing semiconductor laser device
- Publication number 20030170924
- Publication date Sep 11, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Tohru Takiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device, and method of forming an electrode
- Publication number 20020113279
- Publication date Aug 22, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Yoshihiko Hanamaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Distributed feedback laser device and method for manufacturing the...
- Publication number 20020061046
- Publication date May 23, 2002
- Tohru Takiguchi
- H01 - BASIC ELECTRIC ELEMENTS

Tohru Takiguchi

Person

Patents Grantslast 30 patents

Optical semiconductor device

Optical semiconductor device

Optical semiconductor device

Optical waveguide integrated semiconductor optical device

Semiconductor laser

Buried type semiconductor laser

Semiconductor laser device

Semiconductor optical device having an improved current blocking la...

Ridge waveguide semiconductor laser

Ridge-waveguide semiconductor laser device

Ridge waveguide distributed feedback laser

Distributed feedback laser device and method for manufacturing the...

Method for manufacturing semiconductor laser device

Semiconductor laser element

Semiconductor device with varying thickness gold electrode

Method of manufacturing an integrated semiconductor laser-modulator...

Method of producing semiconductor laser diode

Composite optical device

Semiconductor optical device

Light absorption modulator and integrated semiconductor laser and m...

Method of fabricating semiconductor optical device

Strained quantum well structure

Semiconductor laser device having a high emission efficiency and a...

Semiconductor optical devices

Optical switch and method for producing the optical switch

Method for producing an infrared detector

Photodetector

Patents Applicationslast 30 patents

OPTICAL SEMICONDUCTOR DEVICE

OPTICAL SEMICONDUCTOR DEVICE

OPTICAL SEMICONDUCTOR DEVICE

OPTICAL SEMICONDUCTOR DEVICE

OPTICAL SEMICONDUCTOR DEVICE

SEMICONDUCTOR DEVICE

OPTICAL WAVEGUIDE INTEGRATED SEMICONDUCTOR OPTICAL DEVICE AND MANUF...

SEMICONDUCTOR LASER AND MANUFACTURING METHOD THEREFOR

BURIED TYPE SEMICONDUCTOR LASER

Semiconductor optical device having an improved current blocking la...

Semiconductor laser device

Ridge waveguide type semiconductor laser

Surface-emitting semiconductor laser device

Ridge waveguide distributed feedback laser

Ridge-waveguide semiconductor laser device

Method for manufacturing semiconductor laser device

Semiconductor device, and method of forming an electrode

Distributed feedback laser device and method for manufacturing the...