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Mitsuru Takenaka
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Tokyo, 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 modulator and method for manufacturing the same
Patent number
11,054,675
Issue date
Jul 6, 2021
PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION
Junichi Fujikata
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
Optical modulator and method of manufacturing same
Patent number
10,146,070
Issue date
Dec 4, 2018
PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION
Junichi Fujikata
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
All-optical flip-flop
Patent number
7,292,746
Issue date
Nov 6, 2007
Japan Science and Technology Agency
Yoshiaki Nakano
G02 - OPTICS
Information
Patent Grant
Optical waveguide isolator
Patent number
6,208,795
Issue date
Mar 27, 2001
Sugimura International Patent & Trademark Agency Bureau
Yoshiaki Nakano
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
PHOTONIC SPIN REGISTER, INFORMATION WRITING METHOD, AND INFORMATION...
Publication number
20230368854
Publication date
Nov 16, 2023
THE UNIVERSITY OF TOKYO
Satoru Nakatsuji
G11 - INFORMATION STORAGE
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
OPTICAL MODULATOR AND METHOD FOR MANUFACTURING THE SAME
Publication number
20200301177
Publication date
Sep 24, 2020
Photonics Electronics Technology Research Association
Junichi Fujikata
G02 - OPTICS
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
OPTICAL MODULATOR AND METHOD OF MANUFACTURING SAME
Publication number
20180024410
Publication date
Jan 25, 2018
Photonics Electronics Technology Reserach Association
Junichi FUJIKATA
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
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 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
All-optical flip-flop
Publication number
20040190562
Publication date
Sep 30, 2004
Yoshiaki Nakano
G02 - OPTICS