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Kiyoshi Yata
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Hadano, JP
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last 30 patents
Information
Patent Grant
Input/output processing method in a database management system
Patent number
5,261,065
Issue date
Nov 9, 1993
Hitachi, Ltd.
Shoo Urabe
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
File encryption method and file cryptographic system
Patent number
5,235,641
Issue date
Aug 10, 1993
Hitachi, Ltd.
Masafumi Nozawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for detecting access to storage
Patent number
4,641,277
Issue date
Feb 3, 1987
Hitachi, Ltd.
Kiyoshi Yata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data processing apparatus for virtual memory system
Patent number
4,628,451
Issue date
Dec 9, 1986
Hitachi, Ltd.
Hideo Sawada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Instruction storage
Patent number
4,521,872
Issue date
Jun 4, 1985
Hitachi, Ltd.
Hideo Sawada
G06 - COMPUTING CALCULATING COUNTING