Sigefumi Takahashi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic bankbook, and processing system for financial transactio...
- Patent number 6,182,891
- Issue date Feb 6, 2001
- NTT Data Communications Systems Corporation
- Nobuo Furuhashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic bankbook and processing system for financial transaction...
- Patent number 6,029,887
- Issue date Feb 29, 2000
- NTT Data Communications Systems Corporation
- Nobuo Furuhashi
- G06 - COMPUTING CALCULATING COUNTING