Inventor · disambiguated record
Barbel Helbrecht
Also filed as: HELBRECHT BARBEL
4 granted patents·345 citations·filing 1991–1992
83Inventor score
Technology areasC09D
Files withXEROX CORP4
Top patents by PatentIndex Score
4 records- 0197US5156675AInk for ink jet printingXEROX CORP·Filed 1991·Granted Oct 20, 1992·189 cites·22 claims
- 0293US5302195AInk compositions containing cyclodextrinsXEROX CORP·Filed 1991·Granted Apr 12, 1994·92 cites·37 claims
- 0375US5129948AInk for ink jet printingXEROX CORP·Filed 1991·Granted Jul 14, 1992·32 cites·27 claims
- 0474US5254158AInk jet ink compositionsXEROX CORP·Filed 1992·Granted Oct 19, 1993·32 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →