EH

Evert Pieter Houwman

EL Element Six Limited: 5 patents #78 of 181Top 45%
📍 Linden, NL: #1 of 4 inventorsTop 25%
Overall (All Time): #832,718 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10851471 Optical quality diamond material Herman Philip Godfried, Geoffrey Alan Scarsbrook, Daniel James Twitchen, Wilhelmus Gertruda Maria Nelissen, Andrew John Whitehead +2 more 2020-12-01
10125434 Optical quality diamond material Herman Philip Godfried, Geoffrey Alan Scarsbrook, Daniel James Twitchen, WILHEMUS GERTRUDA MARIA NELISSEN, Andrew John Whitehead +2 more 2018-11-13
9551090 Optical quality diamond material Herman Philip Godfried, Geoffrey Alan Scarsbrook, Daniel James Twitchen, Wilhelmus Gertruda Maria Nelissen, Andrew John Whitehead +2 more 2017-01-24
8936774 Optical quality diamond material Herman Philip Godfried, Geoffrey Alan Scarsbrook, Daniel James Twitchen, Wilhelmus Gertruda Maria Nelissen, Andrew John Whitehead +2 more 2015-01-20
8309205 Single crystal diamond elements having convex surfaces and methods of its fabrication Wilhelmus Gerarda Maria Nelissen, Herman Philip Godfried, Paulus Adrianus Cornelis Kriele, Johannes Lamers, Gerrit Jan Pels +5 more 2012-11-13
7740824 Optical quality diamond material Herman Philip Godfried, Geoffrey Alan Scarsbrook, Daniel James Twitchen, Wilhelmus Gertruda Maria Nelissen, Andrew John Whitehead +2 more 2010-06-22