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Kazutaka Yamashita
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Tochigi-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Physiology enhancing device
Patent number
8,357,189
Issue date
Jan 22, 2013
Kao Corporation
Toru Ugajin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Magnetic recording medium and process for producing the same
Patent number
6,284,361
Issue date
Sep 4, 2001
Fuji Photo Film Co., Ltd.
Hideyuki Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
6,139,937
Issue date
Oct 31, 2000
Kao Corporation
Makoto Sato
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
6,103,340
Issue date
Aug 15, 2000
Kao Corporation
Hiroki Kubo
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium comprising a mixed magnetic region having...
Patent number
6,063,489
Issue date
May 16, 2000
Kao Corporation
Hideyuki Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
5,814,394
Issue date
Sep 29, 1998
Kao Corporation
Akira Ishikawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
5,795,642
Issue date
Aug 18, 1998
Kao Corporation
Akira Ishikawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
5,792,570
Issue date
Aug 11, 1998
Kao Corporation
Akira Ishikawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
5,789,063
Issue date
Aug 4, 1998
Kao Corporation
Akira Ishikawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium having a magnetic layer which includes ma...
Patent number
5,718,978
Issue date
Feb 17, 1998
Kao Corporation
Kazutaka Yamashita
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium with magnetic powder in lower magnetic la...
Patent number
5,705,268
Issue date
Jan 6, 1998
Kao Corporation
Akira Ishikawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium having a substrate containing magnetic po...
Patent number
5,629,075
Issue date
May 13, 1997
Kao Corporation
Akira Ishikawa
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
PHYSIOLOGY ENHANCING DEVICE
Publication number
20090062890
Publication date
Mar 5, 2009
KAO CORPORATION
Toru Ugajin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE