CL

Chon Hei Lei

Oracle: 28 patents #250 of 14,854Top 2%
Overall (All Time): #138,183 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 25 most recent of 28 patents

Patent #TitleCo-InventorsDate
10540508 Method and apparatus for securing a database configuration Ji-Won Byun, Chi Ching Chui, Daniel ManHung Wong 2020-01-21
10339336 Method and apparatus for encrypting database columns Thomas Keefe, Daniel ManHung Wong 2019-07-02
9886481 Query optimization on VPD protected columns 2018-02-06
9495394 Pluggable session context Janaki Narasinghanallur, Min-Hank Ho, Eric Sedlar, Thomas Keefe, Vikram Pesati 2016-11-15
8667018 Method and system for optimizing row level security in database systems Mohammed Irfan Rafiq, Vikram Kapoor, Thomas Keefe, Nipun Agarwal, Thomas Baby +2 more 2014-03-04
8549038 Pluggable session context Janaki Narasinghanallur, Min-Hank Ho, Eric Sedlar, Thomas Keefe, Vikram Pesati 2013-10-01
8065329 Query optimization on VPD protected columns 2011-11-22
7925023 Method and apparatus for managing cryptographic keys Paul Youn, Daniel ManHung Wong, Min-Hank Ho 2011-04-12
7873660 Enforcing data privacy aggregations Daniel ManHung Wong, Rama Vissapragada 2011-01-18
7827403 Method and apparatus for encrypting and decrypting data in a database table Daniel ManHung Wong 2010-11-02
7770006 Method and apparatus for authorizing a database operation Daniel ManHung Wong, Mingkang Xu, Paul Youn, MinHank Ho 2010-08-03
7761704 Method and apparatus for expiring encrypted data Min-Hank Ho, Daniel ManHung Wong, Thomas Keefe 2010-07-20
7639819 Method and apparatus for using an external security device to secure data in a database Min-Hank Ho, Paul Youn, Daniel ManHung Wong 2009-12-29
7503062 Method and apparatus for enabling database privileges Daniel ManHung Wong 2009-03-10
7440962 Method and system for management of access information Daniel ManHung Wong, Nina Lewis 2008-10-21
7310647 Column masking of tables Daniel ManHung Wong, Thomas Keefe, Kristy Edwards 2007-12-18
7281003 Database fine-grained access control Douglas James McMahon 2007-10-09
7228304 Method and system for implementing an extensible audit trail Daniel ManHung Wong, Thomas Keefe, Vipin Samar 2007-06-05
7228300 Caching the results of security policy functions Daniel ManHung Wong 2007-06-05
7185357 Method and mechanism for implementing synonym-based access control Daniel Wong, Ahmed Alomari 2007-02-27
7117197 Selectively auditing accesses to rows within a relational database at a database server Daniel ManHung Wong, Patrick F. Sack 2006-10-03
6813617 Dynamic generation of optimizer hints Daniel ManHung Wong 2004-11-02
6745332 Method and apparatus for enabling database privileges Daniel ManHung Wong 2004-06-01
6631371 Database fine-grained access control Douglas James McMahon 2003-10-07
6587854 Virtually partitioning user data in a database system Christine Pae Guthrie, Jesper Andersen, Douglas James McMahon 2003-07-01