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Akihiko NAKAMURA
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Natori City, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Lignin derivative compound and use thereof
Patent number
12,116,381
Issue date
Oct 15, 2024
NIPPON PAPER INDUSTRIES CO., LTD.
Takuma Nakamura
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Terminal plate member of coil component and method for manufacturin...
Patent number
11,011,299
Issue date
May 18, 2021
SUMIDA CORPORATION
Yoshiyuki Tahara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic element
Patent number
10,777,347
Issue date
Sep 15, 2020
Sumida Corporation
Akihiko Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic element and manufacturing method of the magnetic element
Patent number
9,887,033
Issue date
Feb 6, 2018
Sumida Corporation
Akihiko Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic powder material, low-loss composite magnetic material cont...
Patent number
9,117,582
Issue date
Aug 25, 2015
Sumida Corporation
Akihiko Nakamura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Composite magnetic material and magnetic element
Patent number
8,277,679
Issue date
Oct 2, 2012
Sumida Corporation
Akihiko Nakamura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Ethylene-aromatic vinyl compound copolymer and method for its produ...
Patent number
6,472,490
Issue date
Oct 29, 2002
Denki Kagaku Kogyo Kabushiki Kaisha
Toru Arai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Film and stretch packaging film
Patent number
6,417,308
Issue date
Jul 9, 2002
Denki Kagaku Kogyo Kabushiki Kaisha
Toru Arai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Ethylene-aromatic vinyl compound copolymer and method for its produ...
Patent number
6,348,556
Issue date
Feb 19, 2002
Denki Kagaku Kogyo Kabushiki Kaisha
Toru Arai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Ethylene-aromatic vinyl compound copolymer and method for its produ...
Patent number
6,066,709
Issue date
May 23, 2000
Denki Kagaku Kogyo Kabushiki Kaisha
Toru Arai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Ethylene-aromatic vinyl compound copolymer and method for its produ...
Patent number
5,883,213
Issue date
Mar 16, 1999
Denki Kagaku Kogyo Kabushiki Kaisha
Toru Arai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
System for transporting plastics articles
Patent number
4,449,861
Issue date
May 22, 1984
Q.P. Corporation
Hisatoshi Saito
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
Information
Patent Application
LIGNIN DERIVATIVE COMPOUND AND USE THEREOF
Publication number
20200255465
Publication date
Aug 13, 2020
NIPPON PAPER INDUSTRIES CO., LTD
Takuma NAKAMURA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
MAGNETIC ELEMENT
Publication number
20180151286
Publication date
May 31, 2018
Sumida Corporation
Akihiko NAKAMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TERMINAL PLATE MEMBER OF COIL COMPONENT AND METHOD FOR MANUFACTURIN...
Publication number
20180061558
Publication date
Mar 1, 2018
Sumida Corporation
Yoshiyuki TAHARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNETIC ELEMENT AND MANUFACTURING METHOD OF THE MAGNETIC ELEMENT
Publication number
20160268036
Publication date
Sep 15, 2016
Sumida Corporation
Akihiko NAKAMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNETIC POWDER MATERIAL, LOW-LOSS COMPOSITE MAGNETIC MATERIAL CONT...
Publication number
20120194309
Publication date
Aug 2, 2012
Sumida Corporation
Akihiko NAKAMURA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
COMPOSITE MAGNETIC MATERIAL AND MAGNETIC ELEMENT
Publication number
20110168939
Publication date
Jul 14, 2011
Sumida Corporation
Akihiko NAKAMURA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Film and stretch packaging film
Publication number
20010012879
Publication date
Aug 9, 2001
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Toru Arai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...