Inventor
ITAGAKI HIROSHI
JP139 patents
⚠️ This page may combine multiple inventors who share the name “ITAGAKI HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
39 patentsUS6357030B1Mar 12, 2002
ECC block format for storage device
IBM91 citations97
US10242709B1Mar 26, 2019
Detecting damaged areas on magnetic tape based on measuring a number of servo errors
IBM16 citations94
US9600493B1Mar 21, 2017
Copy from source medium to target medium
IBM15 citations93
US7710681B2May 4, 2010
Optimizing tape speed for a sync operation
IBM22 citations93
US7350021B2Mar 25, 2008
Method of controlling write and read of data for tape recording apparatus
IBM35 citations92
US6950257B1Sep 27, 2005
Writing to magnetic tape with backhitchless backspacing and data set invalidation
IBM24 citations92
US6079046AJun 20, 2000
Dynamic data transfer bandwidth control
IBM23 citations92
US6865043B2Mar 8, 2005
Data set information for recovery of synchronized data on magnetic tape
IBM27 citations91
US10453485B1Oct 22, 2019
Increasing data storage capacity by reducing index entries
IBM14 citations86
US10497394B2Dec 3, 2019
Detecting damaged areas on magnetic tape based on measuring number of servo errors
IBM4 citations84
US9830085B1Nov 28, 2017
Recalling files stored on a tape
IBM5 citations84
US9459814B1Oct 4, 2016
Data writing in a file system
IBM6 citations84
US7903363B2Mar 8, 2011
Same Wrap backhitchless write method to encode data on a tape storage medium
IBM19 citations82
US11681437B2Jun 20, 2023
Dynamic tape storage device data buffer
IBM4 citations75
US7385776B2Jun 10, 2008
Device, method, and program product for controlling a tape data storage drive
IBM5 citations74
US11914883B2Feb 27, 2024
Copy from LTFS to disk
IBM2 citations73
US11662954B1May 30, 2023
Duplicating tape media within a tape storage system based on copy tape database
IBM2 citations73
US11314439B2Apr 26, 2022
Copy from source medium to target medium
IBM1 citations73
US11289115B1Mar 29, 2022
Copying a storage tape
IBM4 citations73
US11204891B2Dec 21, 2021
Identifying partial update for tape file system
IBM2 citations73
US11176964B1Nov 16, 2021
Optimized tape unmount operation
IBM2 citations73
US11163500B2Nov 2, 2021
Caching files in a directory
IBM2 citations73
US11132332B2Sep 28, 2021
Method to write data ahead to snapshot area to avoid copy-on-write
IBM2 citations73
US11010104B2May 18, 2021
Optimized tape drive unmounting
IBM4 citations73
US10734021B1Aug 4, 2020
High speed file copy from tape using block grouping
IBM4 citations73
US10649697B2May 12, 2020
Technique for providing information on time to read a file
IBM4 citations73
US10545698B2Jan 28, 2020
Copy from source medium to target medium
IBM3 citations73
US10331348B2Jun 25, 2019
Reading and writing via file system for tape recording system
IBM2 citations73
US10229718B1Mar 12, 2019
Shortening the average reposition time to the beginning of files in a magnetic tape
IBM4 citations73
US10168920B2Jan 1, 2019
Duplexing file system data
IBM4 citations73
US10152993B1Dec 11, 2018
Save block data to tape in a reverse order
IBM4 citations73
US10120612B2Nov 6, 2018
Apparatus, method, and program product for tape copying
IBM2 citations73
US10073631B2Sep 11, 2018
Recalling files stored on a tape
IBM2 citations73
US10073632B2Sep 11, 2018
Recalling files stored on a tape
IBM2 citations73
US10067700B2Sep 4, 2018
Storing meta-information on tape recording systems
IBM2 citations73
US9830102B2Nov 28, 2017
Method of writing a file to a plurality of media and a storage system thereof
IBM4 citations73
US9383945B2Jul 5, 2016
Method of writing a file to a plurality of media and a storage system thereof
IBM4 citations73
US9292227B2Mar 22, 2016
Method for divisionally managing files on a user basis, and a storage system and computer program product thereof
IBM3 citations73
US10162527B2Dec 25, 2018
Scalable and efficient access to and management of data and resources in a tiered data storage system
IBM3 citations72
CANON KK
6 patentsUS5241400AAug 31, 1993
Picture-image formation apparatus having different carrier speeds or carrying modes for detecting a registration mark for image forming
CANON KK22 citations93
US5153929AOct 6, 1992
Image reading apparatus outputting corrected image signals
CANON KK33 citations93
US5748335AMay 5, 1998
Image reading apparatus with A/D conversion and adjustment thereof
CANON KK28 citations92
US5596427AJan 21, 1997
Image reading apparatus with A/D conversion and adjustment thereof
CANON KK26 citations92
US5121230AJun 9, 1992
Image reading apparatus having adjusting circuits for matching the level of and compensating for fluctuation among a plurality of sensing elements
CANON KK28 citations92
US5185659AFeb 9, 1993
Color image reading apparatus having common circuitry for the color component signals
CANON KK7 citations74
IDEMITSU PETROCHEMICAL CO
3 patentsUS5837757ANov 17, 1998
Flame-retardant polycarbonate compositions
IDEMITSU PETROCHEMICAL CO68 citations96
US6423766B1Jul 23, 2002
Flame-retardant polycarbonate resin composition and electrical and electronic components made by molding the same
IDEMITSU PETROCHEMICAL CO44 citations93
US6245840B1Jun 12, 2001
Polypropylene resin-based films and sheets
IDEMITSU PETROCHEMICAL CO14 citations74
ITAGAKI HIROSHI
1 patentSHISEIDO CO LTD
1 patentShowing the top 50 of 139 patents by PatentIndex Score.