Issued Patents All Time
Showing 25 most recent of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12261344 | High saturation magnetization and high dielectric constant ferrites | Michael David Hill, David Bowie Cruickshank, Iain Alexander Macfarlane, Srinivas Polisetty, James Gerard O'Callaghan | 2025-03-25 |
| 12113264 | Fabrication of surface mount microstrip circulators using a ferrite and ceramic dielectric assembly substrate | Iain Alexander Macfarlane, David Bowie Cruickshank, Michael David Hill | 2024-10-08 |
| 11848472 | Differential circulator | Iain Alexander Macfarlane, Patrick Marcus Naraine | 2023-12-19 |
| 11843152 | Surface mount microstrip circulators using a ferrite and ceramic dielectric assembly substrate | Iain Alexander Macfarlane, David Bowie Cruickshank, Michael David Hill | 2023-12-12 |
| 10304491 | Compensating tracking error signal offset in optical tape storage systems | Hua Zhong | 2019-05-28 |
| 9959900 | Compensating tracking error signal offset in optical tape storage systems | Hua Zhong | 2018-05-01 |
| 9916852 | Optical tape with an increased track pitch for improvement of tracking performance after seam | Lingtao Wang, Dwayne A. Edling, Faramarz Mahnad | 2018-03-13 |
| 9911450 | Optical storage system divider based draw verification with automatic bias or delay adjustment | Lingtao Wang, Forrest Lundstrom, Matthew C. Fienberg | 2018-03-06 |
| 9899055 | Optical storage system divider based draw verification | Lingtao Wang, Forrest Lundstrom, Faramarz Mahnad, Matthew C. Fienberg | 2018-02-20 |
| 9875769 | Optical storage system divider based draw verification with digitally synthesized writing laser pulse signal | Lingtao Wang, Matthew C. Fienberg, Forrest Lundstrom | 2018-01-23 |
| 9310313 | Diffractive imaging of groove structures on optical tape | — | 2016-04-12 |
| 9245572 | Optical tape pick up unit with holographic optical element | — | 2016-01-26 |
| 9064505 | Optical pickup assembly having optical pickup units laterally arranged across a tape path | Daniel W. Underkofler, Steven Suttle | 2015-06-23 |
| 8804473 | Apparatus and method for providing longitudinal position marks on an optical tape | — | 2014-08-12 |
| 8792317 | Optical storage device with direct read after write | — | 2014-07-29 |
| 8760786 | Lateral tape motion detector | Faramarz Mahnad | 2014-06-24 |
| 8630065 | Data storage device tape path cleaner | Daniel W. Underkofler, Steven Suttle | 2014-01-14 |
| 8526285 | Apparatus and method for providing longitudinal position marks on an optical tape | — | 2013-09-03 |
| 8510766 | Drum for use in testing optical tape media and method and apparatus for mounting optical tape media on drum | Faramarz Mahnad, Steve Ray, Charles R. Watt | 2013-08-13 |
| 8462595 | Optical pickup assembly | — | 2013-06-11 |
| 7808880 | Optical disk drive with hybrid solid immersion objective lens | Bernard W. Bell, Jr., David H. Davies, David L. Blankenbeckler | 2010-10-05 |
| 7808879 | Optical disk drive with micro-SIL | Bernard W. Bell, Jr., David H. Davies, David L. Blankenbeckler, Steven Howard Ray | 2010-10-05 |
| 6873580 | Objective lens alignment in optical pickup unit assembly | Erik Zimmer, Ian Redmond, Bernard W. Bell, Jr., Daniel G. Bergeson | 2005-03-29 |
| 6631302 | System and method for aligning components of optical head | — | 2003-10-07 |
| 6549363 | Optical servo system for a tape drive | Michael L. Leonhardt | 2003-04-15 |