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Masahiko Naoe
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Mirrortron sputtering apparatus
Patent number
6,649,036
Issue date
Nov 18, 2003
Toyoaki Hirata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Magnetic disk substrate
Patent number
5,360,677
Issue date
Nov 1, 1994
NKK Corporation
Hideaki Fukai
G11 - INFORMATION STORAGE
Information
Patent Grant
Photomagnetic memory medium having a non-columnar structure
Patent number
5,135,819
Issue date
Aug 4, 1992
Pioneer Electronic Corporation
Hiroshi Ito
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium, method for producing the s...
Patent number
4,842,708
Issue date
Jun 27, 1989
Teijin Limited
Sadao Kadokura
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of ion beam generation and an apparatus based on such method
Patent number
4,690,744
Issue date
Sep 1, 1987
Konishiroku Photo Industry Co., Ltd.
Masahiko Naoe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Perpendicular magnetic recording medium, method for producing the s...
Patent number
4,666,788
Issue date
May 19, 1987
Teijin Limited
Sadao Kadokura
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium method for producing the sa...
Patent number
4,576,700
Issue date
Mar 18, 1986
Teijin Limited
Sadao Kadokura
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium
Patent number
4,507,364
Issue date
Mar 26, 1985
Teijin Limited
Sadao Kadokura
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for producing a perpendicular magnetic recording medium
Patent number
4,407,894
Issue date
Oct 4, 1983
Teijin Limited
Sadao Kadokura
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Mirrortron sputtering apparatus
Publication number
20010013470
Publication date
Aug 16, 2001
Toyoaki Hirata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...