Wataru Yoshikawa

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Fujisawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Computer having side-loadable slide-in battery and dual latching me...
- Patent number 5,649,750
- Issue date Jul 22, 1997
- International Business Machines Corporation
- Shigeru Ishii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Portable personal computer
- Patent number 5,021,922
- Issue date Jun 4, 1991
- International Business Machines Corporation
- Myron F. Davis
- G06 - COMPUTING CALCULATING COUNTING