Inventor · Los Altos, CA, US

David Hitz

30Patents
20h-index
22Co-inventors
81Inventor score

Filing activity: Apr 8, 1994 → Oct 1, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US5819292A Method for maintaining consistent states of a file system and for creating user-accessible read-only copies of a file system Emerging Cross-Sectional Technologies 949 Expired
US5963962A Write anywhere file-system layout Emerging Cross-Sectional Technologies 515 Expired
US6038570A Method for allocating files in a file system integrated with a RAID disk sub-system Emerging Cross-Sectional Technologies 405 Expired
US5485579A Multiple facility operating system architecture Physics 370 Expired
US6289356A Write anywhere file-system layout Emerging Cross-Sectional Technologies 353 Expired
US6604118B2 File system image transfer Emerging Cross-Sectional Technologies 312 Expired
US6065037A Multiple software-facility component operating system for co-operative processor control within a multiprocessor computer system Physics 282 Expired
US6892211B2 Copy on write file system consistency and block usage Emerging Cross-Sectional Technologies 269 Expired
US5701516A High-performance non-volatile RAM protected write cache accelerator system employing DMA and data transferring scheme Physics 233 Expired
US6138126A Method for allocating files in a file system integrated with a raid disk sub-system Emerging Cross-Sectional Technologies 222 Expired
US5948110A Method for providing parity in a raid sub-system using non-volatile memory Physics 194 Expired
US7174352B2 File system image transfer Emerging Cross-Sectional Technologies 157 Expired
US6457130B2 File access control in a multi-protocol file server Physics 103 Expired
US6721764B2 Copy on write file system consistency and block usage Emerging Cross-Sectional Technologies 95 Expired
US6857001B2 Multiple concurrent active file systems Emerging Cross-Sectional Technologies 94 Expired
US6574591B1 File systems image transfer between dissimilar file systems Emerging Cross-Sectional Technologies 92 Expired
US7231412B2 Allocating files in a file system integrated with a raid disk sub-system Emerging Cross-Sectional Technologies 51 Expired
US7133964B2 Raid assimilation method and apparatus Physics 41 Expired
US7200603B1 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 Emerging Cross-Sectional Technologies 31 Expired
US6480969B1 Providing parity in a RAID sub-system using non-volatile memory Physics 22 Expired
US6988219B2 Providing parity in a RAID sub-system using non-volatile memory Physics 18 Expired
US7574464B2 System and method for enabling a storage system to support multiple volume formats simultaneously Emerging Cross-Sectional Technologies 16 Expired
US6751637B1 Allocating files in a file system integrated with a raid disk sub-system Emerging Cross-Sectional Technologies 14 Expired
US7685169B2 Multiple concurrent active file systems Emerging Cross-Sectional Technologies 7 Active
US7962531B2 Multiple concurrent active file systems Emerging Cross-Sectional Technologies 4 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.