HW

Hemantha K. Wickramasinghe

IBM: 9 patents #11 of 3,557Top 1%
📍 Irvine, CA: #2 of 242 inventorsTop 1%
🗺 California: #66 of 17,285 inventorsTop 1%
Overall (1997): #833 of 185,788Top 1%
9
Patents 1997

Issued Patents 1997

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5691540 Assembly for measuring a trench depth parameter of a workpiece Scott D. Halle, Philip Charles Danby Hobbs, Tadashi Mitsui, Theodore G. van Kessel 1997-11-25
5646731 Interferometric detecting/imaging method based on multi-pole sensing Frederic Zenhausern, Yves Martin, Martin P. O'Boyle 1997-07-08
5640242 Assembly and method for making in process thin film thickness measurments Martin P. O'Boyle, John Charles Panner, Thomas E. Sandwick, Theodore G. van Kessel 1997-06-17
5624845 Assembly and a method suitable for identifying a code Frederic Zenhausern 1997-04-29
5623339 Interferometric measuring method based on multi-pole sensing Frederic Zenhausern, Martin P. O'Boyle 1997-04-22
5623338 Interferometric near-field apparatus based on multi-pole sensing Frederic Zenhausern, Yves Martin, Martin P. O'Boyle 1997-04-22
5609744 Assembly suitable for identifying a code sequence of a biomolecule in a gel embodiment Frederic Zenharusern 1997-03-11
5607568 Assembly suitable for identifying a code sequence of a biomolecule in a free-solution embodiment Frederic Zenharusern 1997-03-04
5602820 Method and apparatus for mass data storage Frederic Zenhausern 1997-02-11