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Yoshiya Sakata
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Saku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Tape cassette housing
Patent number
4,858,849
Issue date
Aug 22, 1989
TDK Corporation
Masatoshi Okamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape cartridge with erasure-preventing indicator plug
Patent number
4,734,812
Issue date
Mar 29, 1988
TDK Corporation
Kimio Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Device for opening/closing a protective cover on a magnetic tape ca...
Patent number
4,727,445
Issue date
Feb 23, 1988
TDK Corporation
Takateru Satoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Pressing spring for a magnetic tape cartridge
Patent number
4,707,757
Issue date
Nov 17, 1987
TDK Corporation
Haruo Shiba
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape cassette having two layered portions
Patent number
4,688,128
Issue date
Aug 18, 1987
TDK Corporation
Haruo Shiba
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape cassette with dustproof mechanism
Patent number
4,682,259
Issue date
Jul 21, 1987
TDK Corporation
Masatoshi Okamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Lock member for the lid of a magnetic tape cassette
Patent number
4,628,389
Issue date
Dec 9, 1986
TDK Corporation
Kimio Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape cartridge pivot pin and supporting member
Patent number
4,626,948
Issue date
Dec 2, 1986
TDK Corporation
Kimio Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape cassette
Patent number
4,585,187
Issue date
Apr 29, 1986
TDK Corporation
Masatoshi Okamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Reel for a magnetic tape
Patent number
4,515,322
Issue date
May 7, 1985
TDK Corporation
Haruo Shiba
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL