Issued Patents All Time
Showing 151–175 of 178 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677072 | Zirconia articles having tetragonal cores and monoclinic cases and preparation and sintering methods | Syamal K. Ghosh, Debasis Majumdar | 1997-10-14 |
| 5674794 | Zirconia articles having tetragonal cores and monoclinic cases and preparation and sintering methods | Syamal K. Ghosh, Debasis Majumdar | 1997-10-07 |
| 5672302 | In-situ surface nitridation of zirconia ceramics | Syamal K. Ghosh, Gregory S. Jarrold | 1997-09-30 |
| 5629435 | Hydrogen sulfide gas sensor and precursor compounds for manufacture of same | Tommie L. Royster, Jr., Gustavo R. Paz-Pujalt, Carl A. Marrese | 1997-05-13 |
| 5543269 | Image writing on ceramics | Syamal K. Ghosh, Wayne K. Shaffer, Alan P. Vankerkhove | 1996-08-06 |
| 5525380 | Method of making a device for converting infrared radiation | Gustavo R. Paz-Pujalt, James M. Chwalek, Anna L. Hrycin, Liang-Sun Hung | 1996-06-11 |
| 5520601 | Ceramic rollers for conveyance of photographic films and paper polymeric webs | Syamal K. Ghosh, Theodore R. Kolb | 1996-05-28 |
| 5492776 | Highly oriented metal fluoride thin film waveguide articles on a substrate | Gustavo R. Paz-Pujalt, Liang-Sun Hung, James M. Chwalek, Anna L. Hrycin, Duncan A. Richards | 1996-02-20 |
| 5453325 | Nonlinear optical waveguide multilayer structure | Liang-Sun Hung, John A. Agostinelli, Jose M. Mir | 1995-09-26 |
| 5433971 | Hydrogen sulfide gas sensor and precursor compounds for manufacture of same | Tommie L. Royster, Jr., Gustavo R. Paz-Pujalt, Carl A. Marrese | 1995-07-18 |
| 5411690 | Process for producing a tetragonal phase zirconia ceramic | Syamal K. Ghosh, Dennis R. Koziol | 1995-05-02 |
| 5399499 | Method of using multiwavelength upconversion for sample element interrogation in medical diagnostic equipment | Gustavo R. Paz-Pujalt, Charles R. Moon, James M. Chwalek, David Tuschel | 1995-03-21 |
| 5358913 | Zirconia ceramic articles having a tetragonal core and cubic casing | Debasis Majumdar, Syamal K. Ghosh, Jose M. Mir | 1994-10-25 |
| 5336282 | Zirconia ceramics and a process of producing the same | Syamal K. Ghosh, Dennis R. Koziol | 1994-08-09 |
| 5321146 | Hydrogen sulfide gas sensor and precursor compounds for manufacture of same | Tommie L. Royster, Jr., Gustavo R. Paz-Pujalt, Carl A. Marrese | 1994-06-14 |
| 5302935 | Renewable gas sensor, renewable gas sensor base and method for renewing a gas sensor | — | 1994-04-12 |
| 5290332 | Ceramic articles and methods for preparing ceramic articles and for sintering | Debasis Majumdar, Syamal K. Ghosh, Jose M. Mir | 1994-03-01 |
| 5236648 | Method of manufacturing a reference member for calibrating toner concentration monitors in electrophotographic document production apparatus | Matthias H. Regelsberger | 1993-08-17 |
| 5123752 | Wear resistant temperature sensing device | Gustavo R. Paz-Pujalt | 1992-06-23 |
| 5086035 | Electrically conductive article (I) | Liang-Sun Hung | 1992-02-04 |
| 5073537 | Electrically conductive article | Liang-Sun Hung | 1991-12-17 |
| 5000796 | Anisotropic high energy magnets and a process of preparing the same | — | 1991-03-19 |
| 4997808 | Superconductive ceramic oxide combination | Arun K. Mehrotra, Jose M. Mir | 1991-03-05 |
| 4985085 | Method of making anisotropic magnets | — | 1991-01-15 |
| 4950450 | Neodymium iron boron magnets in a hot consolidation process of making the same | Thomas W. Martin, Paul D. Askins | 1990-08-21 |