Takeshi KITATANI

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electro-absorption optical modulator and manufacturing method thereof
- Patent number 11,329,450
- Issue date May 10, 2022
- Lumentum Japan, Inc.
- Atsushi Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Arrayed semiconductor device, optical transmission module, optical...
- Patent number 10,574,033
- Issue date Feb 25, 2020
- Lumentum Japan, Inc.
- Takeshi Kitatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor device, optical module, and method for manufa...
- Patent number 10,355,454
- Issue date Jul 16, 2019
- Oclaro Japan, Inc.
- Kouji Nakahara
- G02 - OPTICS
Information Patent Grant
Optical semiconductor device, optical subassembly, and optical module
- Patent number 10,312,665
- Issue date Jun 4, 2019
- Oclaro Japan, Inc.
- Takeshi Kitatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical device and manufacturing method thereof
- Patent number 9,780,529
- Issue date Oct 3, 2017
- Oclaro Japan, Inc.
- Takeshi Kitatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor device
- Patent number 8,891,570
- Issue date Nov 18, 2014
- Oclaro Japan, Inc.
- Kouji Nakahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor electroluminescent device with a multiple-quantum wel...
- Patent number 8,610,105
- Issue date Dec 17, 2013
- Oclaro Japan, Inc.
- Toshihiko Fukamachi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor laser device
- Patent number 8,270,446
- Issue date Sep 18, 2012
- Oclaro Japan, Inc.
- Takashi Shiota
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor optical device
- Patent number 8,068,526
- Issue date Nov 29, 2011
- Opnext Japan, Inc.
- Shigeki Makino
- G02 - OPTICS
Information Patent Grant
Optical integrated device and manufacturing method thereof
- Patent number 7,711,229
- Issue date May 4, 2010
- Opnext Japan, Inc.
- Takeshi Kitatani
- G02 - OPTICS
Information Patent Grant
Semiconductor laser diode
- Patent number 7,636,378
- Issue date Dec 22, 2009
- OpNext Japan, Inc.
- Takeshi Kitatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical device and manufacturing method thereof
- Patent number 7,577,319
- Issue date Aug 18, 2009
- OpNext Japan, Inc.
- Shigeki Makino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Integrated optoelectronic device and method of fabricating the same
- Patent number 7,340,142
- Issue date Mar 4, 2008
- OpNext Japan, Inc.
- Kazunori Shinoda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device and semiconductor optical modulator
- Patent number 7,329,894
- Issue date Feb 12, 2008
- OpNext Japan, Inc.
- Takeshi Kitatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing method of semiconductor laser diode
- Patent number 6,821,801
- Issue date Nov 23, 2004
- Hitachi, Ltd.
- Hiroshi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser, ray module using the same and ray communicatio...
- Patent number 6,782,032
- Issue date Aug 24, 2004
- Hitachi, Ltd.
- Masahiko Kondow
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vertical cavity surface emitting lasers, optical modules and systems
- Patent number 6,697,405
- Issue date Feb 24, 2004
- Hitachi, Ltd.
- Takeshi Kitatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light receiving element and a method of fabricating the same
- Patent number 5,747,864
- Issue date May 5, 1998
- Hitachi, Ltd.
- Takeshi Kitatani
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRO-ABSORPTION OPTICAL MODULATOR AND MANUFACTURING METHOD THEREOF
- Publication number 20210057885
- Publication date Feb 25, 2021
- Lumentum Japan, Inc.
- Atsushi NAKAMURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ARRAYED SEMICONDUCTOR DEVICE, OPTICAL TRANSMISSION MODULE, OPTICAL...
- Publication number 20190348818
- Publication date Nov 14, 2019
- Lumentum Japan, Inc.
- Takeshi KITATANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE, OPTICAL SUBASSEMBLY, AND OPTICAL MODULE
- Publication number 20180366909
- Publication date Dec 20, 2018
- OCLARO JAPAN, INC.
- Takeshi KITATANI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ARRAYED SEMICONDUCTOR DEVICE, OPTICAL TRANSMISSION MODULE, OPTICAL...
- Publication number 20180152005
- Publication date May 31, 2018
- Oclaro Japan, Inc.
- Takeshi KITATANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE, OPTICAL MODULE, AND METHOD FOR MANUFA...
- Publication number 20180090910
- Publication date Mar 29, 2018
- Oclaro Japan, Inc.
- Kouji NAKAHARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL DEVICE AND MANUFACTURING METHOD THEREOF
- Publication number 20150236477
- Publication date Aug 20, 2015
- OCLARO JAPAN, INC.
- Takeshi Kitatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE
- Publication number 20130208751
- Publication date Aug 15, 2013
- OCLARO JAPAN, INC.
- Kouji NAKAHARA
- B82 - NANO-TECHNOLOGY
Information Patent Application
Semiconductor Optical Element Semiconductor Optical Module and Manu...
- Publication number 20130207140
- Publication date Aug 15, 2013
- Hitachi, Ltd
- Shigeki MAKINO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical module, integrated semiconductor optical device and manufac...
- Publication number 20100328753
- Publication date Dec 30, 2010
- Opnext Japan, Inc.
- Hiroaki Hayashi
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR ELECTROLUMINESCENT DEVICE
- Publication number 20100288997
- Publication date Nov 18, 2010
- Opnext Japan, Inc.
- Toshihiko FUKAMACHI
- B82 - NANO-TECHNOLOGY
Information Patent Application
SEMICONDUCTOR OPTICAL DEVICE
- Publication number 20100189154
- Publication date Jul 29, 2010
- Opnext Japan, Inc.
- Shigeki Makino
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR LASER DIODE
- Publication number 20090129421
- Publication date May 21, 2009
- Takeshi Kitatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL INTEGRATED DEVICE AND MANUFACTURING METHOD THEREOF
- Publication number 20080317422
- Publication date Dec 25, 2008
- TAKESHI KITATANI
- G02 - OPTICS
Information Patent Application
Semiconductor Optical Device and Manufacturing Method Thereof
- Publication number 20080219315
- Publication date Sep 11, 2008
- SHIGEKI MAKINO
- B82 - NANO-TECHNOLOGY
Information Patent Application
INTEGRATED OPTOELECTRONIC DEVICE AND METHOD OF FABRICATING THE SAME
- Publication number 20080069493
- Publication date Mar 20, 2008
- Opnext Japan, Inc.
- Kazunori Shinoda
- G02 - OPTICS
Information Patent Application
Semiconductor Light Emitting Device
- Publication number 20070241344
- Publication date Oct 18, 2007
- Koichiro Adachi
- B82 - NANO-TECHNOLOGY
Information Patent Application
Semiconductor optical device
- Publication number 20060237710
- Publication date Oct 26, 2006
- Opnext Japan, Inc.
- Takeshi Kitatani
- B82 - NANO-TECHNOLOGY
Information Patent Application
Semiconductor lasers, and optical modules and systems using these l...
- Publication number 20030103516
- Publication date Jun 5, 2003
- Hitachi, Ltd.
- Takeshi Kitatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser, ray module using the same and ray communicatio...
- Publication number 20020176465
- Publication date Nov 28, 2002
- Hitachi, Ltd.
- Masahiko Kondow
- B82 - NANO-TECHNOLOGY
Information Patent Application
Vertical cavity surface emitting lasers, optical modules and systems
- Publication number 20020075921
- Publication date Jun 20, 2002
- Takeshi Kitatani
- H01 - BASIC ELECTRIC ELEMENTS

Takeshi KITATANI

Person

Patents Grantslast 30 patents

Electro-absorption optical modulator and manufacturing method thereof

Arrayed semiconductor device, optical transmission module, optical...

Optical semiconductor device, optical module, and method for manufa...

Optical semiconductor device, optical subassembly, and optical module

Semiconductor optical device and manufacturing method thereof

Optical semiconductor device

Semiconductor electroluminescent device with a multiple-quantum wel...

Semiconductor laser device

Semiconductor optical device

Optical integrated device and manufacturing method thereof

Semiconductor laser diode

Semiconductor optical device and manufacturing method thereof

Integrated optoelectronic device and method of fabricating the same

Semiconductor laser device and semiconductor optical modulator

Manufacturing method of semiconductor laser diode

Semiconductor laser, ray module using the same and ray communicatio...

Vertical cavity surface emitting lasers, optical modules and systems

Light receiving element and a method of fabricating the same

Patents Applicationslast 30 patents

ELECTRO-ABSORPTION OPTICAL MODULATOR AND MANUFACTURING METHOD THEREOF

ARRAYED SEMICONDUCTOR DEVICE, OPTICAL TRANSMISSION MODULE, OPTICAL...

OPTICAL SEMICONDUCTOR DEVICE, OPTICAL SUBASSEMBLY, AND OPTICAL MODULE

ARRAYED SEMICONDUCTOR DEVICE, OPTICAL TRANSMISSION MODULE, OPTICAL...

OPTICAL SEMICONDUCTOR DEVICE, OPTICAL MODULE, AND METHOD FOR MANUFA...

SEMICONDUCTOR OPTICAL DEVICE AND MANUFACTURING METHOD THEREOF

OPTICAL SEMICONDUCTOR DEVICE

Semiconductor Optical Element Semiconductor Optical Module and Manu...

Optical module, integrated semiconductor optical device and manufac...

SEMICONDUCTOR ELECTROLUMINESCENT DEVICE

SEMICONDUCTOR OPTICAL DEVICE

SEMICONDUCTOR LASER DIODE

OPTICAL INTEGRATED DEVICE AND MANUFACTURING METHOD THEREOF

Semiconductor Optical Device and Manufacturing Method Thereof

INTEGRATED OPTOELECTRONIC DEVICE AND METHOD OF FABRICATING THE SAME

Semiconductor Light Emitting Device

Semiconductor optical device

Semiconductor lasers, and optical modules and systems using these l...

Semiconductor laser, ray module using the same and ray communicatio...

Vertical cavity surface emitting lasers, optical modules and systems