Ralf Hauser

Follow

Person

Zurich, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Secure anonymous information exchange in a network
- Patent number 6,061,789
- Issue date May 9, 2000
- International Business Machines Corporation
- Ralf Ch. Hauser
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for changing an authorization password or key in...
- Patent number 5,778,065
- Issue date Jul 7, 1998
- International Business Machines Corporation
- Ralf Hauser
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method for performing a secure cash-free payment transaction and a...
- Publication number 20040148254
- Publication date Jul 29, 2004
- Ralf Hauser
- G06 - COMPUTING CALCULATING COUNTING