Richard Ohran — 20 Patents at Emc

Richard Ohran has been granted 20 US patents while listed as an inventor at Emc. The first was granted in 1997 and the most recent in July 2012. Richard Ohran ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Richard Ohran in Provo, UT, US.

Patents per Year

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8215053	Method for improving seed germination efficiency	—	2012-07-10
7660953	Method and system for mirroring and archiving mass storage	—	2010-02-09	$38,385,000
7434093	Dual channel restoration of data between primary and backup servers	—	2008-10-07	$76,169,000
7398366	Tracking incremental changes in a mass storage system	Michael R. Ohran	2008-07-08	$23,786,000
7296125	Preserving a snapshot of selected data of a mass storage system	—	2007-11-13	$129,330,000
7107418	Method and system for mirroring and archiving mass storage	—	2006-09-12	$25,948,000
6941490	Dual channel restoration of data between primary and backup servers	—	2005-09-06	$35,942,000
6931502	Recovery of data using write request copies in delta queue	Dan Price, Randall Johnson	2005-08-16	$102,854,000
6871271	Incrementally restoring a mass storage device to a prior state	Michael R. Ohran	2005-03-22	$70,217,000
6609183	Method and system for mirroring and archiving mass storage	—	2003-08-19	$24,813,000
6560617	Operation of a standby server to preserve data stored by a network server	John M. Winger, David E. Green, Michael R. Ohran	2003-05-06	$17,030,000
6526487	Performing acknowledged operations on original and mirrored copies of data	Dan Price, Randall Johnson	2003-02-25	$16,701,000
6397307	Method and system for mirroring and archiving mass storage	—	2002-05-28	$12,757,000
6338126	Crash recovery without complete remirror	Dan Price, Randall Johnson	2002-01-08	$34,554,000
6085298	Comparing mass storage devices through digests that are representative of stored data in order to minimize data transfer	—	2000-07-04
6073222	Using a virtual device to access data as it previously existed in a mass data storage system	—	2000-06-06
5978565	Method for rapid recovery from a network file server failure including method for operating co-standby servers	Michael R. Ohran, David E. Green, John M. Winger	1999-11-02
5835953	Backup system that takes a snapshot of the locations in a mass storage device that has been identified for updating prior to updating	—	1998-11-10
5812748	Method for improving recovery performance from hardware and software errors in a fault-tolerant computer system	Richard N. Rollins, Michael R. Ohran, Wally Marsden	1998-09-22
5649152	Method and system for providing a static snapshot of data stored on a mass storage system	Michael R. Ohran	1997-07-15

Richard Ohran — 20 Patents

Patents per Year

Issued Patents All Time

Patent Widget