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Yukio Yamamoto
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Hiroshima-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for semi-molten metal injection molding
Patent number
6,619,370
Issue date
Sep 16, 2003
Mazda Motor Corporation
Kazuo Sakamoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Parts formed by injection molding and manufacturing method thereof
Patent number
6,564,854
Issue date
May 20, 2003
Mazda Motor Corporation
Nobuo Sakate
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Metal welding method and metal bonding structure
Patent number
6,552,292
Issue date
Apr 22, 2003
Mazda Motor Corporation
Seiji Nomura
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Automobile bodyshell frame structure
Patent number
6,474,726
Issue date
Nov 5, 2002
Mazda Motor Corporation
Katsunori Hanakawa
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Method and apparatus for semi-molten metal injection molding
Patent number
6,470,956
Issue date
Oct 29, 2002
Mazda Motor Corporation
Kazuo Sakamoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Mold structure for injection molding of a light alloy and method of...
Patent number
6,334,478
Issue date
Jan 1, 2002
Mazda Motor Corporation
Kazuo Sakamoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of producing light metal alloy material for plastic working...
Patent number
6,306,231
Issue date
Oct 23, 2001
Mazda Motor Corporation
Kazuo Sakamoto
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for semi-molten metal injection molding
Patent number
6,298,901
Issue date
Oct 9, 2001
Mazda Motor Corporation
Kazuo Sakamoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Frame structure for vehicle body
Patent number
6,296,299
Issue date
Oct 2, 2001
Mazda Motor Corporation
Katsunori Hanakawa
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Joined metal member and a method and an apparatus for fabricating t...
Patent number
6,222,150
Issue date
Apr 24, 2001
Mazda Motor Corporation
Seiji Nomura
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Light-alloy casting heat treatment method
Patent number
6,214,136
Issue date
Apr 10, 2001
Mazda Motor Corporation
Kazuyuki Yoshimoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Preform structures, composite aluminium or aluminium alloy componen...
Patent number
6,165,605
Issue date
Dec 26, 2000
Mazda Motor Corporation
Makoto Fujita
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Magnesium alloy cast material for plastic processing, magnesium all...
Patent number
6,143,097
Issue date
Nov 7, 2000
Mazda Motor Corporation
Makoto Fujita
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Metallic porous product and composite product thereof and method of...
Patent number
6,103,397
Issue date
Aug 15, 2000
Mazda Motor Corporation
Yukihiro Sugimoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for preparing a light metal or light metal alloy based compo...
Patent number
6,044,894
Issue date
Apr 4, 2000
Mazda Motor Corporation
Makoto Fujita
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Methods for semi-melting injection molding
Patent number
5,979,535
Issue date
Nov 9, 1999
Mazda Motor Corporation
Kazuo Sakamoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High ductility aluminum alloy and method for manufacturing the high...
Patent number
5,925,314
Issue date
Jul 20, 1999
Mazda Motor Corporation
Katsuya Nishiguchi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of making an article of manufacture made of a magnesium alloy
Patent number
5,902,424
Issue date
May 11, 1999
Mazda Motor Corporation
Makoto Fujita
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method of producing a light alloy product
Patent number
5,800,640
Issue date
Sep 1, 1998
Semiconductor Energy Laboratory Co., Ltd.
Yukio Yamamoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Manufacturing method of plastically formed product
Patent number
5,701,576
Issue date
Dec 23, 1997
Mazda Motor Corporation
Makoto Fujita
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Magnesium light alloy product and method of producing the same
Patent number
5,693,158
Issue date
Dec 2, 1997
Mazda Motor Corporation
Yukio Yamamoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of manufacturing a forged magnesium alloy
Patent number
5,409,555
Issue date
Apr 25, 1995
Mazda Motor Corporation
Makoto Fujita
B60 - VEHICLES IN GENERAL
Information
Patent Grant
High pressure casting method and a casting core
Patent number
4,774,990
Issue date
Oct 4, 1988
Mazda Motor Corporation
Yukio Yamamoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for making pitting resistant cast iron product
Patent number
4,482,396
Issue date
Nov 13, 1984
Mazda Motor Corporation
Yukio Yamamoto
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
LASER WELDING METHOD AND LASER WELDING DEVICE
Publication number
20230068401
Publication date
Mar 2, 2023
DELTA KOGYO CO., LTD.
Yukio YAMAMOTO
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LASER WELDING DEVICE AND LASER WELDING METHOD
Publication number
20220152736
Publication date
May 19, 2022
DELTA KOGYO CO., LTD.
Yukio YAMAMOTO
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Heat-resistant magnesium alloy member
Publication number
20020020475
Publication date
Feb 21, 2002
Kazuo Sakamoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD AND APPARATU FOR SEMI-MOLTEN METAL INJECTION MOLDING
Publication number
20020017371
Publication date
Feb 14, 2002
KAZUO SAKAMOTO
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Method and apparatus for semi-molten metal injection molding
Publication number
20020007929
Publication date
Jan 24, 2002
Kazuo Sakamoto
B22 - CASTING POWDER METALLURGY
Information
Patent Application
MOLD STRUCTURE FOR INJECTION MOLDING OF A LIGHT ALLOY AND METHOD OF...
Publication number
20010013402
Publication date
Aug 16, 2001
KAZUO SAKAMOTO
B22 - CASTING POWDER METALLURGY