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Shinji Tokumaru
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Selective emitter for thermophotovoltaic power generator
Patent number
10,978,988
Issue date
Apr 13, 2021
Nippon Steel Corporation
Shinji Tokumaru
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for manufacturing highly pure silicon, highly pure silicon o...
Patent number
10,167,199
Issue date
Jan 1, 2019
Silicio Ferrosolar S.L.
Shinji Tokumaru
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
High purity silicon production system and production method
Patent number
8,038,973
Issue date
Oct 18, 2011
Nippon Steel Materials Co., Ltd.
Nobuaki Ito
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of refining Si
Patent number
7,662,356
Issue date
Feb 16, 2010
Nippon Steel Materials Co., Ltd.
Shinji Tokumaru
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for production of silicon
Patent number
7,455,822
Issue date
Nov 25, 2008
Nippon Steel Corporation
Jiro Kondo
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Production process and apparatus for high purity silicon
Patent number
6,395,249
Issue date
May 28, 2002
Nippon Steel Corporation
Jiro Kondo
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for forming thin film having excellent insulating property...
Patent number
5,523,166
Issue date
Jun 4, 1996
Nippon Steel Corporation
Shinji Tokumaru
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
LIGHT WAVELENGTH CONVERSION MEMBER AND METHOD FOR PRODUCING SAME, P...
Publication number
20210126152
Publication date
Apr 29, 2021
NIPPON STEEL CORPORATION
Shinji TOKUMARU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SELECTIVE EMITTER FOR THERMOPHOTOVOLTAIC POWER GENERATOR
Publication number
20200127596
Publication date
Apr 23, 2020
NIPPON STEEL & SUMITOMO METAL CORPORATION
Shinji TOKUMARU
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
THERMOPHOTOVOLTAIC CONVERSION MEMBER
Publication number
20190068108
Publication date
Feb 28, 2019
NIPPON STEEL & SUMITOMO METAL CORPORATION
Tomohiro UNO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
METHOD FOR MANUFACTURING HIGHLY PURE SILICON, HIGHLY PURE SILICON O...
Publication number
20150028268
Publication date
Jan 29, 2015
SILICIO FERROSOLAR S.L.
Shinji Tokumaru
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High Purity Silicon Production System and Production Method
Publication number
20090155158
Publication date
Jun 18, 2009
NIPPON STEEL MATERIALS COL. LTD.
Nobuaki Ito
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Method of Refining Si
Publication number
20080145294
Publication date
Jun 19, 2008
Shinji Tokumaru
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Method for producing si
Publication number
20040247512
Publication date
Dec 9, 2004
Jiro Kondo
C01 - INORGANIC CHEMISTRY