Antonio Massao Nishikawa

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Campinas SP, BR

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Patents Grantslast 30 patents

Information Patent Grant
Debiting method for inductive prepayment cards
- Patent number 5,834,757
- Issue date Nov 10, 1998
- Telecomunicacoes Brasileiras S/A Telebras
- Rubens Ramos Fernandes
- G06 - COMPUTING CALCULATING COUNTING