Yung-Fa Cheng

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Dan Shui, Taipei Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Notebook computer with insertable expansion devices
- Patent number 5,729,478
- Issue date Mar 17, 1998
- Hsi-Kuang Ma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Expansion box for notebook computers
- Patent number 5,627,728
- Issue date May 6, 1997
- Hsi-Kuang Ma
- G06 - COMPUTING CALCULATING COUNTING