Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11238896 | Passive retraction of a hub clamp in an optical disc drive | David J. Altknecht, John S. Best | 2022-02-01 |
| 10692526 | Actuator tip calibration for robotic optical storage system | David J. Altknecht | 2020-06-23 |
| 10580451 | Disc storage cassettes comprising index features | David J. Altknecht, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler +1 more | 2020-03-03 |
| 10529371 | Actuator tip calibration for robotic optical storage system | David J. Altknecht | 2020-01-07 |
| 10438629 | Disc storage cassettes comprising track connectors | David J. Altknecht, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler +1 more | 2019-10-08 |
| 10242705 | Disc storage cassettes comprising a movable bale | David J. Altknecht, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler +1 more | 2019-03-26 |
| 10186295 | Disc gripper for storage disc | David J. Altknecht, John S. Best, Donald S. Bethune, William M. Dyer, A. David Erpelding +2 more | 2019-01-22 |
| 9990325 | Universal serial bus (USB) filter hub malicious code prevention system | Steven R. Hetzler | 2018-06-05 |
| 9984722 | Disc storage cassettes | David J. Altknecht, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler +1 more | 2018-05-29 |
| 9928008 | Pre-loading a parameter to a media accessor to support a data request | — | 2018-03-27 |
| 9741389 | High performance robotic optical storage system | David J. Altknecht, John S. Best, Donald S. Bethune, William M. Dyer, A. David Erpelding +2 more | 2017-08-22 |
| 9741390 | Optical disc drive | David J. Altknecht, John S. Best, Donald S. Bethune, William M. Dyer, A. David Erpelding +2 more | 2017-08-22 |
| 9690492 | Random read performance of optical media library | — | 2017-06-27 |
| 9672863 | Disc gripper for storage discs | David J. Altknecht, John S. Best, Donald S. Bethune, William M. Dyer, A. David Erpelding +2 more | 2017-06-06 |
| 9633686 | Disc storage cassettes | David J. Altknecht, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler +1 more | 2017-04-25 |
| 9373353 | Negative select access mechanism | John S. Best, Steven R. Hetzler, Drew B. Lawson | 2016-06-21 |
| 9058291 | Multiple erasure correcting codes for storage arrays | Mario Blaum, James L. Hafner, Steven R. Hetzler | 2015-06-16 |
| 8941936 | Hybrid surface format hard disk drive | — | 2015-01-27 |
| 8656088 | Optimized flash based cache memory | Wendy A. Belluomini, Binny Sher Gill, James L. Hafner, Steven R. Hetzler, Eyal Lotem +3 more | 2014-02-18 |
| 8645619 | Optimized flash based cache memory | Wendy A. Belluomini, Binny Sher Gill, James L. Hafner, Steven R. Hetzler, Eyal Lotern +3 more | 2014-02-04 |
| 8583868 | Storage system cache using flash memory with direct block access | Wendy A. Belluomini, Binny Sher Gill, James L. Hafner, Steven R. Hetzler, Venu G. Nayar +1 more | 2013-11-12 |
| 8484408 | Storage system cache with flash memory in a raid configuration that commits writes as full stripes | Steven R. Hetzler | 2013-07-09 |
| 8386891 | Anamorphic codes | Steven R. Hetzler | 2013-02-26 |
| 8214684 | Incomplete write protection for disk array | Steven R. Hetzler | 2012-07-03 |
| 8108750 | RAID 3+3 | Steven R. Hetzler, Shmuel Winograd | 2012-01-31 |