Ryokichi Yoshizawa

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Hitachinaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multiple operating system control method
- Patent number 6,892,261
- Issue date May 10, 2005
- Hitachi, Ltd.
- Hiroshi Ohno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multiple operating system control method
- Patent number 6,715,016
- Issue date Mar 30, 2004
- Hitachi, Ltd.
- Hiroshi Ohno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Computer system including a dual memory configuration which support...
- Patent number 5,787,464
- Issue date Jul 28, 1998
- Hitachi, Ltd.
- Ryokichi Yoshizawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Main memory managing method and apparatus in which main memory is p...
- Patent number 5,579,508
- Issue date Nov 26, 1996
- Hitachi, Ltd.
- Ryokichi Yoshizawa
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Multiple operating system control method
- Publication number 20040177193
- Publication date Sep 9, 2004
- Hiroshi Ohno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Multiple operating system control method
- Publication number 20030154337
- Publication date Aug 14, 2003
- Hiroshi Ohno
- G06 - COMPUTING CALCULATING COUNTING