Inventor

BERCHTOLD STEFAN

CH4 patents

⚠️ This page may combine multiple inventors who share the name “BERCHTOLD STEFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AT & T CORP

2 patents

US6678705B1Jan 13, 2004

System for archiving electronic documents using messaging groupware

AT & T CORP218 citations97

US6154746ANov 28, 2000

High-dimensional index structure

AT & T CORP97 citations92

HOFFMANN LA ROCHE

1 patent

US11319314B2May 3, 2022

Phenoxytriazoles

HOFFMANN LA ROCHE1 citations62

Audimex Ag

1 patent

US12547826B2Feb 10, 2026

Method for integrated generation of an audit report

Audimex Ag0 citations32