Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11875002 | Detection of a protective cover film on a capacitive touch screen | David Johnson, Hrishikesh Vijaykumar Panchawagh | 2024-01-16 |
| 11537245 | Detection of a protective cover film on a capacitive touch screen | David Johnson, Hrishikesh Vijaykumar Panchawagh | 2022-12-27 |
| 11294516 | Detection of a protective cover film on a capacitive touch screen | David Johnson, Hrishikesh Vijaykumar Panchawagh | 2022-04-05 |
| 10969913 | Detection of protective cover film on a capacitive touch screen | David Johnson, Hrishikesh Vijaykumar Panchawagh | 2021-04-06 |
| 10698546 | Detection of a protective cover film on a capacitive touch screen | David Johnson, Hrishikesh Vijaykumar Panchawagh | 2020-06-30 |
| 10268864 | High-resolution electric field sensor in cover glass | Ronald B. Koo, Stephen C. Gerber, Arkadii V. Samoilov, David Johnson | 2019-04-23 |
| 10254884 | Apparatus for piezoelectric force detection | Kevin Berington Johnson, David Johnson, Rizwan Muhammad Khan Afridi, Adithya Naresh, Ronald Scott Lee +1 more | 2019-04-09 |
| 9558390 | High-resolution electric field sensor in cover glass | Ronald B. Koo, Stephen C. Gerber, Arkadii V. Samoilov, David Johnson | 2017-01-31 |
| 8564294 | Nuclear magnetic resonance probe comprising slit superconducting coil with normal-metal overlayer | — | 2013-10-22 |
| 7791339 | RF-switched superconducting resonators and methods of switching thereof | Wai Ha Wong, Weston A. Anderson | 2010-09-07 |
| 7701217 | NMR spiral RF probe coil pair with low external electric field | Robert E. Nast, Weston A. Anderson | 2010-04-20 |
| 7446534 | Cold normal metal and HTS NMR probe coils with electric field shields | — | 2008-11-04 |
| 7295009 | Planar NMR coil with gyromagnetic arc suppression | — | 2007-11-13 |
| 6958244 | Low-conductivity buffers for magnetic resonance measurements | Volker Dötsch | 2005-10-25 |
| 6842004 | Planar NMR coils with localized field-generating and capacitive elements | Robert E. Nast | 2005-01-11 |
| 6556013 | Planar NMR coils with localized field-generating and capacitive elements | — | 2003-04-29 |
| 6201392 | Coplanar RF probe coil arrangement for multifrequency excitation | Weston A. Anderson, Kevin A. Delin, Luis Felipe Fuks, Wai Ha Wong | 2001-03-13 |
| 5986453 | AC magnetic susceptibility control of superconducting materials in nuclear magnetic resonance (NMR) probes | Weston A. Anderson | 1999-11-16 |
| 5619140 | Method of making nuclear magnetic resonance probe coil | William W. Brey, Marie Johansson | 1997-04-08 |
| 5594342 | Nuclear magnetic resonance probe coil with enhanced current-carrying capability | William W. Brey | 1997-01-14 |
| 5585723 | Inductively coupled superconducting coil assembly | — | 1996-12-17 |
| 5565778 | Nuclear magnetic resonance probe coil | William W. Brey, Weston A. Anderson, Wai Ha Wong, Luiz Felipe Fuks, Vincent Kotsubo | 1996-10-15 |
| 5455594 | Internal thermal isolation layer for array antenna | Raymond R. Blasing, Edwin F. Johnson, Douglas Gene Lockie, Cliff Mohwinkel, Barry H. Whalen | 1995-10-03 |
| 5351007 | Superconducting magnetic resonance probe coil | Guo-Chun Liang | 1994-09-27 |
| 5276398 | Superconducting magnetic resonance probe coil | Guo-Chun Liang | 1994-01-04 |