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Masahiko Kakizaki
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Thin, forged magnesium alloy casing and method for producing same
Patent number
6,511,560
Issue date
Jan 28, 2003
Tokyo Seitan Inc.
Isao Seki
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Thin, forged magnesium alloy casing and method for producing same
Patent number
6,316,129
Issue date
Nov 13, 2001
Tokyo Seitan Inc.
Isao Seki
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Process for surface-treating body made of metal and composition of...
Patent number
6,136,381
Issue date
Oct 24, 2000
Sony Corporation
Masahiko Kakizaki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of making an electronic apparatus casing
Patent number
6,054,174
Issue date
Apr 25, 2000
Sony Corporation
Masahiko Kakizaki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process for surface-treating body made of metal and composition of...
Patent number
6,051,322
Issue date
Apr 18, 2000
Sony Corporation
Masahiko Kakizaki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Electronic apparatus casing and electronic apparatus casing product...
Patent number
6,007,925
Issue date
Dec 28, 1999
Sony Corporation
Masahiko Kakizaki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Electronic equipment such as recording and/or reproducing for recor...
Patent number
5,905,706
Issue date
May 18, 1999
Sony Corporation
Masahiko Kakizaki
G11 - INFORMATION STORAGE
Information
Patent Grant
"Process for surface-treating body made of metal"
Patent number
5,851,597
Issue date
Dec 22, 1998
Sony Corporation
Masahiko Kakizaki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for surface-treating substrate and substrate surface-treated...
Patent number
5,800,693
Issue date
Sep 1, 1998
Sony Corporation
Masahiko Kakizaki
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Electronic equipments chassis made from bent sheet metal
Patent number
5,541,809
Issue date
Jul 30, 1996
Sony Corporation
Masahiko Kakizaki
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Thin, forged magnesium alloy casing and method for producing same
Publication number
20010020498
Publication date
Sep 13, 2001
Isao Seki
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...