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Masatoshi Okamura
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Saku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Tape cartridge
Patent number
6,994,287
Issue date
Feb 7, 2006
TDK Corporation
Masatoshi Okamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape cartridge having a plurality of identification openings
Patent number
6,822,834
Issue date
Nov 23, 2004
TDK Corporation
Hiroshi Kaneda
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Information
Patent Grant
Housing for tape cartridge and hold for mold for forming the same
Patent number
6,547,174
Issue date
Apr 15, 2003
TDK Corporation
Hiroshi Kaneda
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Recording medium cartridge with improved welding characteristics
Patent number
6,532,133
Issue date
Mar 11, 2003
TDK Corporation
Hiroshi Kaneda
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Tape cartridge with a cell for a leader hook member and a cell for...
Patent number
6,490,133
Issue date
Dec 3, 2002
TDK Corporation
Masatoshi Okamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape cartridge with matched brake lock and brake release plate
Patent number
6,452,748
Issue date
Sep 17, 2002
TDK Corporation
Motohiko Shima
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Information
Patent Grant
Tape cartridge
Patent number
6,450,432
Issue date
Sep 17, 2002
TDK Corporation
Hiroshi Kaneda
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape cassette
Patent number
6,446,896
Issue date
Sep 10, 2002
TDK Corporation
Motohiko Shima
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Information
Patent Grant
Disk cartridge
Patent number
6,418,113
Issue date
Jul 9, 2002
TDK Corporation
Masaru Ikebe
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Information
Patent Grant
Tape cartridge
Patent number
6,411,466
Issue date
Jun 25, 2002
TDK Corporation
Motohiko Shima
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Information
Patent Grant
Tape cartridge
Patent number
6,388,838
Issue date
May 14, 2002
TDK Corporation
Hiroshi Kaneda
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Information
Patent Grant
Tape cartridge
Patent number
6,388,837
Issue date
May 14, 2002
TDK Corporation
Kenji Hashizume
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Information
Patent Grant
Disc cartridge
Patent number
6,370,108
Issue date
Apr 9, 2002
TDK Corporation
Masaru Ikebe
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape cassette with improved cover operation
Patent number
6,318,658
Issue date
Nov 20, 2001
TDK Corporation
Hiroshi Kaneda
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape reel for tape cassette
Patent number
6,311,917
Issue date
Nov 6, 2001
Kenji Hashizume
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc cartridge having reference holes
Patent number
6,307,831
Issue date
Oct 23, 2001
TDK Corporation
Yukio Miyazaki
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Information
Patent Grant
Tape cassette
Patent number
6,302,345
Issue date
Oct 16, 2001
TDK Corporation
Kenji Hashizume
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape cassette
Patent number
6,292,331
Issue date
Sep 18, 2001
TDK Corporation
Hiroshi Kaneda
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk cartridge with error insertion prevention mechanism
Patent number
6,243,355
Issue date
Jun 5, 2001
TDK Corporation
Masaru Ikebe
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape reel for tape cassette
Patent number
6,213,425
Issue date
Apr 10, 2001
TDK Corporation
Sadatoshi Umeki
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape cassette with reel brake release lever
Patent number
6,215,619
Issue date
Apr 10, 2001
TDK Corporation
Hiroshi Kaneda
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc cartridge
Patent number
6,205,115
Issue date
Mar 20, 2001
TDK Corporation
Masaru Ikebe
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Information
Patent Grant
Tape cassette with tape guides press-fit over ribbed guide posts
Patent number
6,191,920
Issue date
Feb 20, 2001
TDK Corporation
Kenji Hashizume
G11 - INFORMATION STORAGE
Information
Patent Grant
Release mechanism for a reel brake member for a tape cassette
Patent number
6,137,653
Issue date
Oct 24, 2000
TDK Corporation
Hiroshi Kaneda
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc cartridge with particular cover configuration
Patent number
6,125,011
Issue date
Sep 26, 2000
TDK Corporation
Masaru Ikebe
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape cassette
Patent number
6,118,631
Issue date
Sep 12, 2000
TDK Corporation
Kenji Hashizume
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc cartridge
Patent number
6,108,298
Issue date
Aug 22, 2000
TDK Corporation
Yukio Miyazaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc cartridge with improved shutter mechanism
Patent number
6,094,326
Issue date
Jul 25, 2000
TDK Corporation
Masaru Ikebe
G11 - INFORMATION STORAGE
Information
Patent Grant
Cartridge receiving casing
Patent number
5,954,198
Issue date
Sep 21, 1999
TDK Corporation
Masaru Ikebe
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape cassette
Patent number
5,873,538
Issue date
Feb 23, 1999
TDK Corporation
Kenji Hashizume
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Tape cartridge
Publication number
20040041050
Publication date
Mar 4, 2004
TDK CORPORATION
Masatoshi Okamura
G11 - INFORMATION STORAGE
Information
Patent Application
Tape cartridge having a plurality of identification openings
Publication number
20030063413
Publication date
Apr 3, 2003
TDK Corporation
Hiroshi Kaneda
G11 - INFORMATION STORAGE
Information
Patent Application
Tape cartridge
Publication number
20020047063
Publication date
Apr 25, 2002
TDK Corp.
Hiroshi Kaneda
G11 - INFORMATION STORAGE