HF

Hans-Jurgen Fromm

Hoffmann-La Roche: 5 patents #687 of 3,238Top 25%
📍 Aesch, CH: #41 of 139 inventorsTop 30%
Overall (All Time): #1,059,600 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5100577 Ferroelectric liquid crystal mixtures and compounds as well as electro-optical devices employing same Richard Buchecker, Stephen Kelly, Martin Schadt, Alois Villiger 1992-03-31
5082589 Liquid crystalline esters Richard Buchecker, Stephen Kelly, Martin Schadt 1992-01-21
5013476 Liquid crystal compounds and indicating device employing same Arthur Boller, Richard Buchecker, Stephen Kelly, Martin Schadt, Alois Villiger 1991-05-07
4925278 Liquid crystalline esters Richard Buchecker, Stephen Kelly, Martin Schadt 1990-05-15
4830470 Liquid crystalline esters Richard Buchecker, Stephen Kelly, Martin Schadt 1989-05-16