Inventor
IWANAGA MASAYUKI
JP43 patents
⚠️ This page may combine multiple inventors who share the name “IWANAGA MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
42 patentsUS9997193B1Jun 12, 2018
Selective index writing prior to unthreading a magnetic recording tape
IBM17 citations94
US10078466B2Sep 18, 2018
Writing files to a storage medium
IBM7 citations84
US9965189B2May 8, 2018
Writing data spanning plurality of tape cartridges
IBM4 citations84
US9536561B1Jan 3, 2017
Writing dummy indices on a tape medium partition
IBM16 citations84
US9513836B1Dec 6, 2016
Migration of data to sequential access medium
IBM12 citations84
US9348837B2May 24, 2016
Index writing in a linear tape file system
IBM10 citations84
US10282098B2May 7, 2019
Writing data spanning plurality of tape cartridges
IBM1 citations73
US10042556B2Aug 7, 2018
Reclamation of storage medium
IBM3 citations73
US9891834B2Feb 13, 2018
Writing data spanning plurality of tape cartridges
IBM2 citations73
US9766835B2Sep 19, 2017
Migration of data to sequential access medium
IBM2 citations73
US9760305B2Sep 12, 2017
Migration of data to sequential access medium
IBM2 citations73
US9632949B2Apr 25, 2017
Storage management method, storage management system, computer system, and program
IBM3 citations73
US9502052B1Nov 22, 2016
Writing redundant data on tape media
IBM5 citations73
US9058843B2Jun 16, 2015
Recovery of data written before initialization of format in tape media
IBM4 citations73
US10937453B1Mar 2, 2021
Magnetic tape device capable of selecting codeword rewrite based on determined threshold
IBM5 citations71
US11042508B2Jun 22, 2021
Information management
IBM0 citations62
US10620838B2Apr 14, 2020
Reclamation of storage medium
IBM1 citations62
US10282427B2May 7, 2019
Metadata storing technique
IBM1 citations62
US10204653B2Feb 12, 2019
Selective index writing prior to unthreading a magnetic recording tape
IBM1 citations62
US11967342B2Apr 23, 2024
Header decoding mechanism for tape storage
IBM0 citations61
US10572154B2Feb 25, 2020
Writing data spanning plurality of tape cartridges
IBM0 citations52
US10359964B2Jul 23, 2019
Reducing time to read many files from tape
IBM0 citations52
US10331622B2Jun 25, 2019
Information management
IBM0 citations52
US10169344B2Jan 1, 2019
Deleting files written on tape
IBM0 citations52
US9984078B2May 29, 2018
Deleting files written on tape
IBM0 citations52
US9952770B2Apr 24, 2018
Responding to recall operations based on file migration time
IBM1 citations52
US9946487B2Apr 17, 2018
Method of moving files in hierarchical storage system
IBM1 citations52
US9947355B2Apr 17, 2018
Encoding information on tape using write offset gaps
IBM0 citations52
US9940061B2Apr 10, 2018
Method of moving files in hierarchical storage system
IBM1 citations52
US9858010B2Jan 2, 2018
Writing files to a storage medium
IBM0 citations52
US9766836B2Sep 19, 2017
Migration of data to sequential access medium
IBM0 citations52
US9753930B2Sep 5, 2017
Deleting files written on tape
IBM0 citations52
US9733859B2Aug 15, 2017
Method for writing file while spanning file over a plurality of tape cartridges
IBM0 citations52
US9620157B2Apr 11, 2017
Encoding information on tape using write offset gaps
IBM0 citations52
US9536558B2Jan 3, 2017
Erasing recorded data by utilizing read head and write head
IBM0 citations52
US9330708B2May 3, 2016
Erasing recorded data by utilizing read head and write head
IBM0 citations52
US12124740B2Oct 22, 2024
Selective hard and soft rewrites
IBM0 citations51
US10216456B2Feb 26, 2019
Estimating mount time completion in file systems
IBM0 citations42
US9996459B2Jun 12, 2018
Reclaiming of sequential storage medium
IBM0 citations42
US9720615B2Aug 1, 2017
Writing data to sequential storage medium
IBM0 citations42
US9746994B2Aug 29, 2017
Icon display of file history recorded in storage as additional data
IBM0 citations41
US9684454B2Jun 20, 2017
Method, storage system, and program for spanning single file across plurality of tape media
IBM0 citations41