Fumiya Murata

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Hadano, JP

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Patents Grantslast 30 patents

Information Patent Grant
File management system for permitting user access to files in a dis...
- Patent number 5,012,405
- Issue date Apr 30, 1991
- Hitachi, Ltd.
- Takashi Nishikado
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
File system management method and file management system
- Patent number 4,987,531
- Issue date Jan 22, 1991
- Hitachi, Ltd.
- Takashi Nishikado
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Document processing method and system using multiwindow
- Patent number 4,829,294
- Issue date May 9, 1989
- Hitachi, Ltd.
- Hidefumi Iwami
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Display control method for multi-window system
- Patent number 4,769,636
- Issue date Sep 6, 1988
- Hitachi, Ltd.
- Hidefumi Iwami
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method of processing a plurality of code systems
- Patent number 4,692,896
- Issue date Sep 8, 1987
- Hitachi, Ltd.
- Kousuke Sakoda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data processing system providing data security through coded identi...
- Patent number 4,486,828
- Issue date Dec 4, 1984
- Hitachi, Ltd.
- Junji Kitamura
- G06 - COMPUTING CALCULATING COUNTING