Philippe Martineau

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Rockville, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Prepaid smart card in a GSM based wireless telephone network and me...
- Patent number 6,415,142
- Issue date Jul 2, 2002
- Gemplus S.C.A.
- Philippe Martineau
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Prepaid smart card in a GSM based wireless telephone network and me...
- Patent number 5,915,226
- Issue date Jun 22, 1999
- Gemplus Card International
- Philippe Martineau
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device having automatic process for upgrading the performance of mo...
- Patent number 5,896,507
- Issue date Apr 20, 1999
- Gemplus Card International
- Philippe Martineau
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device having automatic process for upgrading the performance of mo...
- Patent number 5,687,398
- Issue date Nov 11, 1997
- Gemplus Card International
- Philippe Martineau
- G06 - COMPUTING CALCULATING COUNTING