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Shinichi Takagi
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Kanagawa-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Tunneling field effect transistor
Patent number
11,227,953
Issue date
Jan 18, 2022
Japan Science and Technology Agency
Kimihiko Kato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical multiplexer/demultiplexer and method for manufacturing the...
Patent number
11,199,663
Issue date
Dec 14, 2021
Mitsubishi Electric Corporation
Toshiharu Kato
G02 - OPTICS
Information
Patent Grant
Metal-oxide-semiconductor (MOS) optical modulator and method of man...
Patent number
10,983,411
Issue date
Apr 20, 2021
The University of Tokyo
Mitsuru Takenaka
G02 - OPTICS
Information
Patent Grant
Method of producing semiconductor wafer, semiconductor wafer, metho...
Patent number
9,117,658
Issue date
Aug 25, 2015
Sumitomo Chemical Company, Limited
Mitsuru Takenaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor substrate, field-effect transistor, integrated circui...
Patent number
9,112,035
Issue date
Aug 18, 2015
Sumitomo Chemical Company, Limited
Hisashi Yamada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor wafer, field-effect transistor, method of producing s...
Patent number
8,901,656
Issue date
Dec 2, 2014
Sumitomo Chemical Company, Limited
Takeshi Aoki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field-effect transistor, semiconductor wafer, method for producing...
Patent number
8,779,471
Issue date
Jul 15, 2014
Sumitomo Chemical Company, Limited
Masahiko Hata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor wafer, semiconductor device, and method of manufactur...
Patent number
8,431,459
Issue date
Apr 30, 2013
The University of Tokyo
Mitsuru Takenaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and manufacturing method thereof
Patent number
8,174,095
Issue date
May 8, 2012
Kabushiki Kaisha Toshiba
Toshifumi Irisawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and manufacturing method thereof
Patent number
8,008,751
Issue date
Aug 30, 2011
Kabushiki Kaisha Toshiba
Toshifumi Irisawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device
Patent number
7,679,181
Issue date
Mar 16, 2010
Mitsubishi Electric Corporation
Junji Fujino
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field effect transistor
Patent number
7,659,537
Issue date
Feb 9, 2010
Kabushiki Kaisha Toshiba
Tsutomu Tezuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device including multi-gate metal-insulator-semicondu...
Patent number
7,622,773
Issue date
Nov 24, 2009
Kabushiki Kaisha Toshiba
Toshifumi Irisawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of manufacturing the same
Patent number
7,619,239
Issue date
Nov 17, 2009
Kabushiki Kaisha Toshiba
Toshifumi Irisawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Element fabrication substrate
Patent number
7,557,018
Issue date
Jul 7, 2009
Kabushiki Kaisha Toshiba
Shu Nakaharai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for fabricating a localize SOI in bulk silicon substrate inc...
Patent number
7,507,634
Issue date
Mar 24, 2009
Kabushiki Kaisha Toshiba
Tsutomu Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Stem for optical element and optical semiconductor device using the...
Patent number
7,489,042
Issue date
Feb 10, 2009
Mitsubishi Denki Kabushiki Kaisha
Isao Oshima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wavelength monitoring apparatus
Patent number
7,301,974
Issue date
Nov 27, 2007
Mitsubishi Denki Kabushiki Kaisha
Masao Imaki
G01 - MEASURING TESTING
Information
Patent Grant
Wavelength filter and wavelength monitor device
Patent number
7,283,302
Issue date
Oct 16, 2007
Mitsubishi Denki Kabushiki Kaisha
Masao Imaki
G01 - MEASURING TESTING
Information
Patent Grant
Method of making empty space in silicon
Patent number
7,235,456
Issue date
Jun 26, 2007
Kabushiki Kaisha Toshiba
Tsutomu Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of manufacturing the same
Patent number
7,229,892
Issue date
Jun 12, 2007
Kabushiki Kaisha Toshiba
Koji Usuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Feed through structure for optical semiconductor package
Patent number
7,217,958
Issue date
May 15, 2007
Mitsubishi Denki Kabushiki Kaisha
Hiroshi Aruga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical module
Patent number
7,165,897
Issue date
Jan 23, 2007
Mitsubishi Denki Kabushiki Kaisha
Shinichi Takagi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Feed through structure for optical semiconductor package
Patent number
7,154,126
Issue date
Dec 26, 2006
Mitsubishi Denki Kabushiki Kaisha
Hiroshi Aruga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wavelength monitor, optical module, and optical module packaging me...
Patent number
7,148,965
Issue date
Dec 12, 2006
Mitsubishi Denki Kabushiki Kaisha
Yasunori Nishimura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor apparatus having first and second gate electrodes
Patent number
7,119,385
Issue date
Oct 10, 2006
Kabushiki Kaisha Toshiba
Koji Usuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of manufacturing the same
Patent number
7,033,913
Issue date
Apr 25, 2006
Kabushiki Kaisha Toshiba
Koji Usuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical module
Patent number
D518797
Issue date
Apr 11, 2006
Mitsubishi Denki Kabushiki Kaisha
Shinichi Takagi
D13 - Equipment for production, distribution, or transformation of energy
Information
Patent Grant
Semiconductor substrate having pillars within a closed empty space
Patent number
7,019,364
Issue date
Mar 28, 2006
Kabushiki Kaisha Toshiba
Tsutomu Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field effect transistor
Patent number
7,009,200
Issue date
Mar 7, 2006
Kabushiki Kaisha Toshiba
Tsutomu Tezuka
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL MULTIPLEXER/DEMULTIPLEXER AND METHOD FOR MANUFACTURING THE...
Publication number
20210173148
Publication date
Jun 10, 2021
Mitsubishi Electric Corporation
Toshiharu KATO
G02 - OPTICS
Information
Patent Application
TUNNELING FIELD EFFECT TRANSISTOR
Publication number
20210005758
Publication date
Jan 7, 2021
Japan Science and Technology Agency
Kimihiko KATO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METAL-OXIDE-SEMICONDUCTOR (MOS) OPTICAL MODULATOR AND METHOD OF MAN...
Publication number
20190285964
Publication date
Sep 19, 2019
THE UNIVERSITY OF TOKYO
MITSURU TAKENAKA
G02 - OPTICS
Information
Patent Application
SEMICONDUCTOR DEVICE, SEMICONDUCTOR WAFER, METHOD FOR PRODUCING SEM...
Publication number
20140091398
Publication date
Apr 3, 2014
Sumitomo Chemical Company, Limited
Masahiko HATA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE, SEMICONDUCTOR WAFER, METHOD FOR PRODUCING SEM...
Publication number
20140091392
Publication date
Apr 3, 2014
Sumitomo Chemical Company, Limited
Tomoyuki TAKADA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE, SEMICONDUCTOR WAFER, METHOD FOR PRODUCING SEM...
Publication number
20140091393
Publication date
Apr 3, 2014
Sumitomo Chemical Company, Limited
Masahiko HATA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF PRODUCING SEMICONDUCTOR WAFER, SEMICONDUCTOR WAFER, METHO...
Publication number
20140054726
Publication date
Feb 27, 2014
THE UNIVERSITY OF TOKYO
Mitsuru TAKENAKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR WAFER, FIELD-EFFECT TRANSISTOR, METHOD OF PRODUCING S...
Publication number
20130341721
Publication date
Dec 26, 2013
Sumitomo Chemical Company, Limited
Takeshi AOKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FIELD-EFFECT TRANSISTOR, SEMICONDUCTOR WAFER, METHOD FOR PRODUCING...
Publication number
20120228673
Publication date
Sep 13, 2012
Sumitomo Chemical Company
Masahiko HATA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR SUBSTRATE, FIELD-EFFECT TRANSISTOR, INTEGRATED CIRCUI...
Publication number
20120205747
Publication date
Aug 16, 2012
THE UNIVERSITY OF TOKYO
Hisashi YAMADA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE, PROCESS FOR PRODUCING SEMICONDUCTOR DEVICE, S...
Publication number
20110233689
Publication date
Sep 29, 2011
SUMITOMO CHEMICAL COMPANY, LIMITED
Masahiko Hata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
Publication number
20110147805
Publication date
Jun 23, 2011
Kabushiki Kaisha Toshiba
Toshifumi Irisawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR WAFER, SEMICONDUCTOR DEVICE, AND METHOD OF MANUFACTUR...
Publication number
20110018033
Publication date
Jan 27, 2011
Sumitomo Chemical Company, Limited
Mitsuru Takenaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICES AND MANUFACTURING METHODS THEREFOR
Publication number
20090020866
Publication date
Jan 22, 2009
Mitsubishi Electric Corporation
Junji Fujino
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
Publication number
20080135886
Publication date
Jun 12, 2008
Kabushiki Kaisha Toshiba
Toshifumi Irisawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor substrate and its fabrication method
Publication number
20080003771
Publication date
Jan 3, 2008
Kabushiki Kaisha Toshiba
Tsutomu Sato
G02 - OPTICS
Information
Patent Application
Semiconductor device and method of fabricating the same
Publication number
20070241399
Publication date
Oct 18, 2007
Toshifumi Irisawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Stem for optical element and optical semiconductor device using the...
Publication number
20070120134
Publication date
May 31, 2007
Mitsubishi Denki Kabushiki Kaisha
Isao Oshima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Feed through structure for optical semiconductor package
Publication number
20070023766
Publication date
Feb 1, 2007
Mitsubishi Denki Kabushiki Kaisha
Hiroshi Aruga
G02 - OPTICS
Information
Patent Application
Element fabrication substrate
Publication number
20060292835
Publication date
Dec 28, 2006
Kabushiki Kaishi Toshiba
Shu Nakaharai
C30 - CRYSTAL GROWTH
Information
Patent Application
Semiconductor device and method of manufacturing the same
Publication number
20060266996
Publication date
Nov 30, 2006
Kabushiki Kaisha Toshiba
Toshifumi Irisawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Wavelength filter and wavelength monitor device
Publication number
20060256437
Publication date
Nov 16, 2006
Mitsubishi Denki Kabushiki Kaisha
Masao Imaki
G02 - OPTICS
Information
Patent Application
Semiconductor substrate and its fabrication method
Publication number
20060131651
Publication date
Jun 22, 2006
Kabushiki Kaisha Toshiba
Tsutomu Sato
G02 - OPTICS
Information
Patent Application
Field effect transistor
Publication number
20060118776
Publication date
Jun 8, 2006
Kabushiki Kaisha Toshiba
Tsutomu Tezuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE MANUFACTURING METHOD
Publication number
20050260809
Publication date
Nov 24, 2005
Tsutomu Tezuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and method of manufacturing the same
Publication number
20050191797
Publication date
Sep 1, 2005
Koji Usuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and method of manufacturing the same
Publication number
20050189610
Publication date
Sep 1, 2005
Koji Usuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical semiconductor package
Publication number
20050121684
Publication date
Jun 9, 2005
Mitsubishi Denki Kabushiki Kaisha
Hiroshi Aruga
G02 - OPTICS
Information
Patent Application
Element fabrication substrate
Publication number
20050098234
Publication date
May 12, 2005
Shu Nakaharai
C30 - CRYSTAL GROWTH
Information
Patent Application
Semiconductor apparatus
Publication number
20050009282
Publication date
Jan 13, 2005
Kabushiki Kaisha Toshiba
Koji Usuda
H01 - BASIC ELECTRIC ELEMENTS