Walter Hanel

Follow

Person

Holzgerlingen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Importing information onto a chip card
- Patent number 6,173,401
- Issue date Jan 9, 2001
- International Business Machine Corp.
- Michael Deindl
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for safely transferring data and applications onto a chipcard
- Patent number 6,145,080
- Issue date Nov 7, 2000
- International Business Machine Corporation
- Walter Hanel
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Certification of cryptographic keys for chipcards
- Patent number 6,076,162
- Issue date Jun 13, 2000
- International Business Machines Corporation
- Michael Deindl
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for improving the integrity of data on a smartcard
- Patent number 5,869,823
- Issue date Feb 9, 1999
- International Business Machines Corporation
- Hermann R. Bublitz
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for processing long messages in a chip card
- Patent number 5,809,241
- Issue date Sep 15, 1998
- International Business Machines Corporation
- Walter Hanel
- G06 - COMPUTING CALCULATING COUNTING