Inventor · disambiguated record
Johann Eisen
Also filed as: EISEN JOHANN · EISEN JOHANN C
3 granted patents·1 pending application·70 citations·filing 1992–2004
73Inventor score
Top patents by PatentIndex Score
4 records- 0173US5167071ACosmetic pencil sharpenerCOSMOLAB INC·Filed 1992·Granted Dec 1, 1992·39 cites·16 claims
- 0268USD442993SPencil sharpenerEISEN C & SOHN·Filed 2000·Granted May 29, 2001·22 cites·1 claims
- 0353US6732437B2Soft lead sharpener with pivotable profile knifeEISEN GMBH·Filed 2002·Granted May 11, 2004·9 cites·28 claims
- 0443US2008244917A1Cosmetic Pencil SharpenerEISEN JOHANN·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →