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Akira Nakamura
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Toyama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing rare earth sintered magnets
Patent number
7,014,811
Issue date
Mar 21, 2006
Neomax Co., Ltd.
Daisuke Harimoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of manufacturing rare earth magnet and powder compacting app...
Patent number
7,014,440
Issue date
Mar 21, 2006
Neomax Co., Ltd.
Shuhei Okumura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process and apparatus for supplying rare earth metal-based alloy po...
Patent number
6,779,995
Issue date
Aug 24, 2004
Neomax Co., Ltd.
Seiichi Kohara
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Powder feeding apparatus, pressing apparatus using the same, powder...
Patent number
6,656,416
Issue date
Dec 2, 2003
Sumitomo Special Metals Co., Ltd.
Akira Nakamura
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method for manufacturing rare earth magnet and powder compacting ap...
Patent number
6,602,352
Issue date
Aug 5, 2003
Sumitomo Special Metals Co., Ltd.
Shuhei Okumura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process and apparatus for supplying rare earth metal-based alloy po...
Patent number
6,481,993
Issue date
Nov 19, 2002
Sumitomo Special Metals Co., Ltd.
Seiichi Kohara
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for forming thin film
Patent number
6,379,508
Issue date
Apr 30, 2002
Matsushita Electric Industrial Co., Ltd.
Kazunori Kobayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process and apparatus for supplying rare earth metal-based alloy po...
Patent number
6,299,832
Issue date
Oct 9, 2001
Sumitomo Special Metals Co., Ltd.
Seiichi Kohara
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Active matric drive liquid crystal display device using polycrystal...
Patent number
5,245,452
Issue date
Sep 14, 1993
Matsushita Electronics Corporation
Akira Nakamura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Liquid crystal display apparatus with the application of black leve...
Patent number
5,105,288
Issue date
Apr 14, 1992
Matsushita Electronics Corporation
Koji Senda
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Current transmitting system for trackway type motor vehicle
Patent number
4,239,094
Issue date
Dec 16, 1980
Nissan Motor Company, Limited
Hiromichi Uchiyama
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Method for manufacturing rare earth magnet and powder compacting ap...
Publication number
20030209842
Publication date
Nov 13, 2003
Sumitomo Special Metals Co., Ltd.
Shuhei Okumura
B30 - PRESSES
Information
Patent Application
Method for producing rare earth sintered magnets
Publication number
20030178103
Publication date
Sep 25, 2003
Daisuke Harimoto
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Process and apparatus for supplying rare earth metal-based alloy po...
Publication number
20020185793
Publication date
Dec 12, 2002
Sumitomo Special Metals Co., Ltd.
Seiichi Kohara
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Powder feeding apparatus, pressing apparatus using the same, powder...
Publication number
20020051726
Publication date
May 2, 2002
Akira Nakamura
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Method for manufacturing rare earth magnet and powder compacting ap...
Publication number
20020020470
Publication date
Feb 21, 2002
Shuhei Okumura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...