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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DH

David Hitz — 30 Patents

NENetapp: 26 patents #53 of 1,969Top 3%
ASAuspex Systems: 3 patents #5 of 41Top 15%
Delphi Technologies: 1 patents #2,130 of 4,124Top 55%
Sunnyvale, CA: #762 of 14,302 inventorsTop 6%
California: #17,345 of 386,348 inventorsTop 5%
Overall (All Time): #121,623 of 4,157,543Top 3%
30 Patents All Time
David Hitz has been granted 30 US patents. The first was granted in 1996 and the most recent in January 2013. David Hitz ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list David Hitz in Sunnyvale, CA, US.

Patents per Year

Patents granted per year, 1996 to 2013Bar chart with a peak of 3 patents in 2000.peak 31996: 1 patents19961997: 1 patents1998: 1 patents19981999: 2 patents2000: 3 patents20002001: 1 patents2002: 2 patents20022003: 2 patents2004: 2 patents20042005: 3 patents2006: 3 patents20062007: 3 patents2009: 1 patents20092010: 2 patents2011: 1 patents20112012: 1 patents2013: 1 patents2013

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8359334 Allocating files in a file system integrated with a RAID disk sub-system Michael Malcolm, James Lau, Byron Rakitzis 2013-01-22 $31,561,000
8126935 System and method for enabling a storage system to support multiple volume formats simultaneously John K. Edwards 2012-02-28 $57,678,000
7962531 Multiple concurrent active file systems John K. Edwards, Blake H. Lewis 2011-06-14 $18,660,000
7818498 Allocating files in a file system integrated with a RAID disk sub-system Michael Malcolm, James Lau, Byron Rakitzis 2010-10-19 $43,339,000
7685169 Multiple concurrent active file systems John K. Edwards, Blake H. Lewis 2010-03-23 $13,603,000
7574464 System and method for enabling a storage system to support multiple volume formats simultaneously John K. Edwards 2009-08-11 $30,284,000
7231412 Allocating files in a file system integrated with a raid disk sub-system Michael Malcolm, James Lau, Byron Rakitzis 2007-06-12 $27,591,000
7200603 In a data storage server, for each subsets which does not contain compressed data after the compression, a predetermined value is stored in the corresponding entry of the corresponding compression group to indicate that corresponding data is compressed Mehul S. Shah, Daniel Ting, James J. Voll 2007-04-03 $16,969,000
7174352 File system image transfer Steven R. Kleiman, Guy Harris, Sean O'Malley, Michael Malcolm, James Lau +1 more 2007-02-06 $44,613,000
7133964 Raid assimilation method and apparatus Steven H. Rodrigues 2006-11-07 $90,901,000
7130873 File system image transfer between dissimilar file systems Steven R. Kleiman, Norman Hutchinson, Sean O'Malley 2006-10-31 $44,539,000
6988219 Providing parity in a RAID sub-system using non-volatile memory Michael Malcolm, James Lau, Byron Rakitzis 2006-01-17 $43,222,000
6925714 Upper steering shaft-assembly Jeffrey J. Toth, Michael John Clayton, Emanuel Gage, Jr. 2005-08-09 $3,066,000
6892211 Copy on write file system consistency and block usage Michael Malcolm, James Lau, Byron Rakitzis 2005-05-10 $102,834,000
6857001 Multiple concurrent active file systems John K. Edwards, Blake H. Lewis 2005-02-15 $107,900,000
6751637 Allocating files in a file system integrated with a raid disk sub-system Michael Malcolm, James Lau, Byron Rakitzis 2004-06-15 $23,368,000
6721764 Copy on write file system consistency and block usage Michael Malcolm, James Lau, Byron Rakitzis 2004-04-13 $81,359,000
6604118 File system image transfer Steven R. Kleiman, Guy Harris, Sean O'Malley 2003-08-05 $84,860,000
6574591 File systems image transfer between dissimilar file systems Steven R. Kleiman, Norman Hutchinson, Sean O'Malley 2003-06-03 $100,333,000
6480969 Providing parity in a RAID sub-system using non-volatile memory Michael Malcolm, James Lau, Byron Rakitzis 2002-11-12 $73,049,000
6457130 File access control in a multi-protocol file server Andrea Borr, Robert J. Hawley, Mark Muhlestein, Joan Pearson 2002-09-24 $30,013,000
6289356 Write anywhere file-system layout Michael Malcolm, James Lau, Byron Rakitzis 2001-09-11
6138126 Method for allocating files in a file system integrated with a raid disk sub-system Michael Malcolm, James Lau, Byron Rakitzis 2000-10-24 $1,014,550,000
6065037 Multiple software-facility component operating system for co-operative processor control within a multiprocessor computer system Allan R. Schwartz, James Lau, Guy Harris 2000-05-16 $5,817,000
6038570 Method for allocating files in a file system integrated with a RAID disk sub-system Michael Malcolm, James Lau, Byron Rakitzis 2000-03-14 $598,457,000