DL

Duke A. Lee

IBM: 15 patents #7,450 of 70,183Top 15%
Overall (All Time): #310,268 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12423195 Concurrent recovery of exported physical tape data Ariel Villasenor, Alan J. Fisher, David A. Brettell 2025-09-23
11683156 Securely retrieving encryption keys for a storage system Jeffrey Wayne Pilch 2023-06-20
11314413 Adjustable tape storage capacity David A. Brettell, Alan J. Fisher, Alexander Nieves 2022-04-26
9606873 Apparatus, system and method for temporary copy policy David A. Brettell, Vanessa R. Earle, Alan J. Fisher, Joseph M. Swingler 2017-03-28
9588705 Efficient elimination of access to data on a writable storage media Wayne Charles Carlson, Cheryl Marie Friauf, Gregory T. Kishi, Jonathan Wayne Peake 2017-03-07
9384777 Efficient elimination of access to data on a writable storage media Wayne Charles Carlson, Cheryl Marie Friauf, Gregory T. Kishi, Jonathan Wayne Peake 2016-07-05
9372801 Managing a cache in a multi-node virtual tape controller Ralph Thomas Beeston, Erika M. Dawson, David Luciani, Joel K. Lyman 2016-06-21
9299385 Efficient elimination of access to data on a writable storage media Wayne Charles Carlson, Cheryl Marie Friauf, Gregory T. Kishi, Jonathan Wayne Peake 2016-03-29
9058110 Managing a cache in a multi-node virtual tape controller Ralph Thomas Beeston, Erika M. Dawson, David Luciani, Joel K. Lyman 2015-06-16
9037802 Methods for managing a cache in a multi-node virtual tape controller Ralph Thomas Beeston, Erika M. Dawson, David Luciani, Joel K. Lyman 2015-05-19
8856450 Systems for managing a cache in a multi-node virtual tape controller Ralph Thomas Beeston, Erika M. Dawson, David Luciani, Joel K. Lyman 2014-10-07
8799612 Monitoring of extent of writing of unobscured data to improve erase performance on a magnetic medium Erika M. Dawson, Scott M. Fry, Paul M. Greco, Gavin S. Johnson, Joel K. Lyman +2 more 2014-08-05
7864478 Verification of a tape data storage cartridge Gary Anna, Norie Iwasaki, Gregory T. Kishi, Koichi Masuda 2011-01-04
7689759 Method and apparatus for providing continuous access to shared tape drives from multiple virtual tape servers within a data storage system Keith A. Bello, Gregory T. Kishi 2010-03-30
7627786 Tracking error events relating to data storage drives and/or media of automated data storage library subsystems Keith A. Bello, Cheryl Marie Friauf, Gregory T. Kishi 2009-12-01