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Tomoyoshi MISHIMA
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Crystal laminate, semiconductor device and method for manufacturing...
Patent number
11,640,906
Issue date
May 2, 2023
Sumitomo Chemical Company, Limited
Fumimasa Horikiri
C30 - CRYSTAL GROWTH
Information
Patent Grant
Gallium nitride laminated substrate and semiconductor device
Patent number
10,998,188
Issue date
May 4, 2021
HOSEI UNIVERSITY
Tomoyoshi Mishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method for manufacturing the same
Patent number
10,797,181
Issue date
Oct 6, 2020
HOSEI UNIVERSITY
Tomoyoshi Mishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device
Patent number
10,685,841
Issue date
Jun 16, 2020
HOSEI UNIVERSITY
Tohru Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device
Patent number
10,483,350
Issue date
Nov 19, 2019
HOSEI UNIVERSITY
Tohru Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor multilayer structure and method of manufacturing the...
Patent number
9,899,570
Issue date
Feb 20, 2018
Sumitomo Chemical Company, Limited
Naoki Kaneda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor device and method of manufacturing the same
Patent number
9,530,858
Issue date
Dec 27, 2016
Sumitomo Chemical Company, Limited
Akihisa Terano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor element and method of manufacturing the same
Patent number
9,059,328
Issue date
Jun 16, 2015
Hitachi Metals, Ltd.
Akihisa Terano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gallium nitride rectifying device
Patent number
8,835,930
Issue date
Sep 16, 2014
Hitachi Metals, Ltd.
Tadayoshi Tsuchiya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field-effect transistor and method of making same
Patent number
7,786,509
Issue date
Aug 31, 2010
Hitachi Cable, Ltd.
Tomoyoshi Mishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Module for optical transmitter
Patent number
6,735,353
Issue date
May 11, 2004
Hitachi, Ltd.
Koji Hirata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser and photo module using the same
Patent number
6,728,283
Issue date
Apr 27, 2004
Hitachi, Ltd.
Makoto Kudo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Lattice-mismatched crystal structures and semiconductor device usin...
Patent number
5,633,516
Issue date
May 27, 1997
Hitachi, Ltd.
Tomoyoshi Mishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device with reduced tunnel resistance and circuitry u...
Patent number
5,548,138
Issue date
Aug 20, 1996
Hitachi, Ltd.
Takuma Tanimoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor crystalline laminate structure, forming method of the...
Patent number
5,495,115
Issue date
Feb 27, 1996
Hitachi, Ltd.
Makoto Kudo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and its fabrication method
Patent number
5,481,120
Issue date
Jan 2, 1996
Hitachi, Ltd.
Kazuhiro Mochizuki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Hetero-junction bipolar transistor
Patent number
5,003,366
Issue date
Mar 26, 1991
Hitachi, Ltd.
Tomoyoshi Mishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound semiconductor structure and process for making same
Patent number
4,914,488
Issue date
Apr 3, 1990
Hitachi, Ltd.
Masao Yamane
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device having strained superlattice buffer layers wit...
Patent number
4,835,583
Issue date
May 30, 1989
Hitachi, Ltd.
Makoto Morioka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Heterojunction FET with doubly-doped channel
Patent number
4,673,959
Issue date
Jun 16, 1987
Hitachi, Ltd.
Yasuhiro Shiraki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor member and semiconductor device employing the same
Patent number
4,672,406
Issue date
Jun 9, 1987
Hitachi, Ltd.
Yasushi Sawada
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
CRYSTAL LAMINATE, SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING...
Publication number
20200227262
Publication date
Jul 16, 2020
Sumitomo Chemical Company, Limited
Fumimasa HORIKIRI
C30 - CRYSTAL GROWTH
Information
Patent Application
MANUFACTURING METHOD AND INSPECTION METHOD OF GROUP-III NITRIDE LAM...
Publication number
20200091016
Publication date
Mar 19, 2020
Sumitomo Chemical Company, Limited
Fumimasa HORIKIRI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GALLIUM NITRIDE LAMINATED SUBSTRATE AND SEMICONDUCTOR DEVICE
Publication number
20190348276
Publication date
Nov 14, 2019
Hosei University
Tomoyoshi MISHIMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
Publication number
20190189808
Publication date
Jun 20, 2019
Hosei University
Tomoyoshi MISHIMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20190181010
Publication date
Jun 13, 2019
Hosei University
Tohru NAKAMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20180261667
Publication date
Sep 13, 2018
Hosei University
Tohru NAKAMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR MULTILAYER STRUCTURE AND METHOD OF MANUFACTURING THE...
Publication number
20170141270
Publication date
May 18, 2017
Sumitomo Chemical Company, Limited
Naoki KANEDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nitride Semiconductor Device and Method of Manufacturing the Same
Publication number
20150179780
Publication date
Jun 25, 2015
Hitachi Metals, Ltd.
Akihisa TERANO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE SEMICONDUTOR DEVICE
Publication number
20140191369
Publication date
Jul 10, 2014
Hitachi Metals, Ltd.
Tadayoshi TSUCHIYA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nitride Semiconductor Element and Method of Manufacturing the Same
Publication number
20140117376
Publication date
May 1, 2014
Hitachi Metals, Ltd.
Akihisa TERANO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GALLIUM NITRIDE RECTIFYING DEVICE
Publication number
20130001585
Publication date
Jan 3, 2013
Hitachi Cable, Ltd.
Tadayoshi TSUCHIYA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DIODE
Publication number
20120313108
Publication date
Dec 13, 2012
Hitachi Cable, Ltd.
Tadayoshi TSUCHIYA
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
Field-effect transistor and method of making same
Publication number
20090001423
Publication date
Jan 1, 2009
HITACHI CABLE, LTD.
Tomoyoshi Mishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Module for optical transmitter
Publication number
20030142928
Publication date
Jul 31, 2003
Hitachi, Ltd. and Hitachi ULSI Systems Co., Ltd.
Koji Hirata
G02 - OPTICS
Information
Patent Application
Compound semiconductor device, method for producing thereof and hig...
Publication number
20030132496
Publication date
Jul 17, 2003
Hitachi, Ltd.
Akihisa Terano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor laser and photo module using the same
Publication number
20030086461
Publication date
May 8, 2003
Hitachi, Ltd.
Makoto Kudo
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor device and electronic device using the same
Publication number
20030062538
Publication date
Apr 3, 2003
Makoto Kudo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Fet (field effect transistor) and high frequency module
Publication number
20020149032
Publication date
Oct 17, 2002
Kiyoshi Ouchi
H01 - BASIC ELECTRIC ELEMENTS