| Patent Number |
Title Of Patent |
Date Issued |
| 5905640 |
Security via hole(s) for printed circuit boards |
May. 18, 1999 |
| 5900019 |
Apparatus for protecting memory storage blocks from I/O accesses |
May. 4, 1999 |
| 5895492 |
Processor associated blocking symbol controls for serializing the accessing of data resources in a computer system |
Apr. 20, 1999 |
| 5889947 |
Apparatus and method for executing instructions that select a storage location for output values in response to an operation count |
Mar. 30, 1999 |
| 5875480 |
Microcomputer PC-cards |
Feb. 23, 1999 |
| 5860099 |
Stored program system with protected memory and secure signature extraction |
Jan. 12, 1999 |
| 5848435 |
Address protection circuit and method for preventing access to unauthorized address rangers |
Dec. 8, 1998 |
| 5835015 |
Security system for audio equipment |
Nov. 10, 1998 |
| 5809546 |
Method for managing I/O buffers in shared storage by structuring buffer table having entries including storage keys for controlling accesses to the buffers |
Sep. 15, 1998 |
| 5809545 |
Optical disc for a master key, and a method and apparatus for optical-disc information management which inhibit and permit reproduction of main information from an illegal copy disc by using |
Sep. 15, 1998 |
| 5805800 |
Apparatus and method for controlling storage medium using security capabilities |
Sep. 8, 1998 |
| 5802590 |
Method and system for providing secure access to computer resources |
Sep. 1, 1998 |
| 5802592 |
System and method for protecting integrity of alterable ROM using digital signatures |
Sep. 1, 1998 |
| 5802591 |
Method and system for preventing unauthorized access to information stored in a computer |
Sep. 1, 1998 |
| 5797030 |
System for output record handler with logon request processor that receives first request that is validated by comparision with first and second ID/password pairs |
Aug. 18, 1998 |
| 5787309 |
Apparatus for protecting storage blocks from being accessed by unwanted I/O programs using I/O program keys and I/O storage keys having M number of bits |
Jul. 28, 1998 |
| 5784609 |
System for remotely authenticating access to local software |
Jul. 21, 1998 |
| 5784704 |
Memory card with timer controlled protection of stored data |
Jul. 21, 1998 |
| 5765197 |
Method and system for authentication of a memory unit for a computer system |
Jun. 9, 1998 |
| 5761733 |
Data storage device with security system and ferroelectric data input section |
Jun. 2, 1998 |
| 5761734 |
Token-based serialisation of instructions in a multiprocessor system |
Jun. 2, 1998 |
| 5757749 |
Information processing system operable with a detachable recording medium |
May. 26, 1998 |
| 5758121 |
Data storage security apparatus and method which erases memory and utilizes a power switch to cut-off electric power during unsuccessful access |
May. 26, 1998 |
| 5754821 |
Method and system for providing access to a protected partition of a memory device utilizing a passthru command |
May. 19, 1998 |
| 5740403 |
Process circuit & system for protecting an integrated circuit against fraudulent use |
Apr. 14, 1998 |
| 5737575 |
Interleaved key memory with multi-page key cache |
Apr. 7, 1998 |
| 5737416 |
Method and apparatus for enabling trial period use of software products: method and apparatus for utilizing a decryption stub |
Apr. 7, 1998 |
| 5729717 |
IC card and issuing apparatus allowing multiple applications |
Mar. 17, 1998 |
| 5724578 |
File managing system for managing files shared with a plurality of users |
Mar. 3, 1998 |
| 5724551 |
Method for managing I/O buffers in shared storage by structuring buffer table having entries include storage keys for controlling accesses to the buffers |
Mar. 3, 1998 |
| 5721873 |
Data reproducing apparatus |
Feb. 24, 1998 |
| 5708777 |
Method and apparatus for selectively locking a system password of a computer system |
Jan. 13, 1998 |
| 5675321 |
Personal computer security system |
Oct. 7, 1997 |
| 5671394 |
Microcomputer having ROM data protection function |
Sep. 23, 1997 |
| 5668973 |
Protection system for critical memory information |
Sep. 16, 1997 |
| 5649099 |
Method for delegating access rights through executable access control program without delegating access rights not in a specification to any intermediary nor comprising server security |
Jul. 15, 1997 |
| 5634007 |
Independent computer storage addressing in input/output transfers |
May. 27, 1997 |
| 5627987 |
Memory management and protection system for virtual memory in computer system |
May. 6, 1997 |
| 5623637 |
Encrypted data storage card including smartcard integrated circuit for storing an access password and encryption keys |
Apr. 22, 1997 |
| 5623660 |
System for regulating access to data base for purposes of data base management |
Apr. 22, 1997 |
| 5613089 |
Method and apparatus for remotely controlling and monitoring the use of computer software |
Mar. 18, 1997 |
| 5611048 |
Remote password administration for a computer network among a plurality of nodes sending a password update message to all nodes and updating on authorized nodes |
Mar. 11, 1997 |
| 5603008 |
Computer system having cache memories with independently validated keys in the TLB |
Feb. 11, 1997 |
| 5594869 |
Method and apparatus for end-to-end encryption of a data packet in a computer network |
Jan. 14, 1997 |
| 5590379 |
Method and apparatus for cache memory access with separate fetch and store queues |
Dec. 31, 1996 |
| 5590309 |
Storage protection cache and backing storage having system control element data cache pipeline and storage protection bits in a stack array with a stack directory for the stack array |
Dec. 31, 1996 |
| 5588137 |
Data flow control apparatus and memory apparatus |
Dec. 24, 1996 |
| 5588146 |
Method for the acquisition of software and data-processing system to implement the method |
Dec. 24, 1996 |
| 5584023 |
Computer system including a transparent and secure file transform mechanism |
Dec. 10, 1996 |
| 5564038 |
Method and apparatus for providing a trial period for a software license product using a date stamp and designated test period |
Oct. 8, 1996 |
