Katsuharu Kakuse

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic tape data management method and apparatus
- Patent number 5,388,016
- Issue date Feb 7, 1995
- Hitachi, Ltd.
- Sadasaburoh Kanai
- 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
Method and apparatus for controlling data writing in magnetic recor...
- Patent number 5,163,134
- Issue date Nov 10, 1992
- Hitachi, Ltd.
- Katsuharu Kakuse
- G11 - INFORMATION STORAGE
Information Patent Grant
Sector mark signal control circuit for disc apparatus
- Patent number 4,663,752
- Issue date May 5, 1987
- Hitachi, Ltd.
- Katsuharu Kakuse
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for data compression and restoration
- Patent number 4,586,027
- Issue date Apr 29, 1986
- Hitachi, Ltd.
- Tokuhiro Tsukiyama
- G11 - INFORMATION STORAGE