JL

Joseph S. Logan

IBM: 18 patents #6,125 of 70,183Top 9%
DC Dorsey Gage Co.: 5 patents #1 of 6Top 20%
PT Praxair S.T. Technology: 1 patents #81 of 143Top 60%
Overall (All Time): #165,728 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6754062 Hybrid ceramic electrostatic clamp John R. Miller, Mahmood Naim, Robert E. Tompkins 2004-06-22
RE37580 Guard ring electrostatic chuck Michael Barnes, John H. Keller, Robert E. Tompkins, Robert P. Westerfield, Jr. 2002-03-12
RE37541 Electrostatic chuck with reference electrode Michael Barnes, John H. Keller, Robert E. Tompkins, Robert P. Westerfield, Jr. 2002-02-05
6268994 Electrostatic chuck and method of manufacture Robert E. Tompkins, John R. Miller 2001-07-31
6214482 Dielectric-layer for magneto-optic storage media structures Christopher V. Jahnes, Fletcher Jones, Michael A. Russak 2001-04-10
5905626 Electrostatic chuck with ceramic pole protection Robert E. Tompkins 1999-05-18
5901030 Electrostatic chuck employing thermoelectric cooling Robert E. Tompkins 1999-05-04
5612851 Guard ring electrostatic chuck Michael Barnes, John H. Keller, Robert E. Tompkins, Robert P. Westerfield, Jr. 1997-03-18
5561585 Electrostatic chuck with reference electrode Michael Barnes, John H. Keller, Robert E. Tompkins, Robert P. Westerfield, Jr. 1996-10-01
5535507 Method of making electrostatic chuck with oxide insulator Michael Barnes, John H. Keller, Raymond R. Ruckel, Robert E. Tompkins, Robert P. Westerfield, Jr. 1996-07-16
5467249 Electrostatic chuck with reference electrode Michael Barnes, John H. Keller, Robert E. Tompkins, Robert P. Westerfield, Jr. 1995-11-14
5463525 Guard ring electrostatic chuck Michael Barnes, John H. Keller, Robert E. Tompkins, Robert P. Westerfield, Jr. 1995-10-31
5302266 Method and apparatus for filing high aspect patterns with metal Henry Grabarz, Alfred Grill, William M. Holber, James T. Yeh 1994-04-12
5263776 Multi-wavelength optical thermometry David W. Abraham, William M. Holber, Hemantha K. Wickramasinghe 1993-11-23
5208512 Scanned electron cyclotron resonance plasma source John C. Forster, William M. Holber 1993-05-04
5191506 Ceramic electrostatic chuck Raymond R. Ruckel, Robert E. Tompkins, Robert P. Westerfield, Jr. 1993-03-02
5155652 Temperature cycling ceramic electrostatic chuck Raymond R. Ruckel, Robert E. Tompkins, Robert P. Westerfield, Jr. 1992-10-13
5099571 Method for fabricating a split-ring electrostatic chuck Raymond R. Ruckel, Robert E. Tompkins, Robert P. Westerfield, Jr. 1992-03-31
5055964 Electrostatic chuck having tapered electrodes Raymond R. Ruckel, Robert E. Tompkins, Robert P. Westerfield, Jr. 1991-10-08
4818359 Low contamination RF sputter deposition apparatus Fletcher Jones 1989-04-04
4637853 Hollow cathode enhanced plasma for high rate reactive ion etching and deposition Bruce Bumble, Jerome J. Cuomo, Steven M. Rossnagel 1987-01-20
4447824 Planar multi-level metal process with built-in etch stop John L. Mauer, IV, Laura Rothman, Geraldine C. Schwartz, Charles L. Standley 1984-05-08
4367119 Planar multi-level metal process with built-in etch stop John L. Mauer, IV, Laura Rothman, Geraldine C. Schwartz, Charles L. Standley 1983-01-04
4362611 Quadrupole R.F. sputtering system having an anode/cathode shield and a floating target shield Steve I. Petvai, Cornel Rosu 1982-12-07
4333794 Omission of thick Si.sub.3 N.sub.4 layers in ISA schemes Klaus D. Beyer 1982-06-08