Hiroshi Itagaki

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Appending data to a tape cartridge during recall operations
- Patent number 12,105,980
- Issue date Oct 1, 2024
- International Business Machines Corporation
- Noriko Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Dynamic tape storage device data buffer
- Patent number 12,032,825
- Issue date Jul 9, 2024
- International Business Machines Corporation
- Atsushi Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optimizing removable media library file removal
- Patent number 11,971,853
- Issue date Apr 30, 2024
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Tape-to-tape copying between nodes of magnetic tape file systems
- Patent number 11,954,353
- Issue date Apr 9, 2024
- International Business Machines Corporation
- Atsushi Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Linear tape file system unoptimized read detection
- Patent number 11,934,699
- Issue date Mar 19, 2024
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Copy from LTFS to disk
- Patent number 11,914,883
- Issue date Feb 27, 2024
- International Business Machines Corporation
- Shinsuke Mitsuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Copying data from a linear tape file system (LTFS)-based storage sy...
- Patent number 11,886,724
- Issue date Jan 30, 2024
- International Business Machines Corporation
- Shinsuke Mitsuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data migration management based on data location
- Patent number 11,853,580
- Issue date Dec 26, 2023
- International Business Machines Corporation
- Noriko Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Write performance by enabling host data transfer immediately after...
- Patent number 11,823,709
- Issue date Nov 21, 2023
- International Business Machines Corporation
- Tsuyoshi Miyamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Appending data to a tape cartridge during recall operations
- Patent number 11,809,731
- Issue date Nov 7, 2023
- International Business Machines Corporation
- Noriko Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Storing modified or unmodified portions of a file based on tape loa...
- Patent number 11,762,603
- Issue date Sep 19, 2023
- International Business Machines Corporation
- Tsuyoshi Miyamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Dynamic tape storage device data buffer
- Patent number 11,681,437
- Issue date Jun 20, 2023
- International Business Machines Corporation
- Atsushi Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Duplicating tape media within a tape storage system based on copy t...
- Patent number 11,662,954
- Issue date May 30, 2023
- International Business Machines Corporation
- Hiroshi Itagaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reordering files
- Patent number 11,640,373
- Issue date May 2, 2023
- International Business Machines Corporation
- Noriko Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Recalling files from tape
- Patent number 11,625,184
- Issue date Apr 11, 2023
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Index file writing on tape storage media
- Patent number 11,550,472
- Issue date Jan 10, 2023
- International Business Machines Corporation
- Hiroshi Itagaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Duplexing data from multiple file systems onto a shared tape
- Patent number 11,495,262
- Issue date Nov 8, 2022
- International Business Machines Corporation
- Shinsuke Mitsuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Caching files in a directory
- Patent number 11,494,338
- Issue date Nov 8, 2022
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reclassification of files in a hierarchical storage management system
- Patent number 11,487,457
- Issue date Nov 1, 2022
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reading sequentially stored files based on read ahead groups
- Patent number 11,442,659
- Issue date Sep 13, 2022
- International Business Machines Corporation
- Tsuyoshi Miyamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reducing time to reposition tape to write index
- Patent number 11,437,062
- Issue date Sep 6, 2022
- International Business Machines Corporation
- Tsuyoshi Miyamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Copy from source medium to target medium
- Patent number 11,314,439
- Issue date Apr 26, 2022
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optimizing tape drives in a tape library
- Patent number 11,308,989
- Issue date Apr 19, 2022
- International Business Machines Corporation
- Tsuyoshi Miyamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Copying a storage tape
- Patent number 11,289,115
- Issue date Mar 29, 2022
- International Business Machines Corporation
- Hiroshi Itagaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape image reclaim in hierarchical storage systems
- Patent number 11,221,989
- Issue date Jan 11, 2022
- International Business Machines Corporation
- Shinsuke Mitsuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Identifying partial update for tape file system
- Patent number 11,204,891
- Issue date Dec 21, 2021
- International Business Machines Corporation
- Atsushi Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optimized tape unmount operation
- Patent number 11,176,964
- Issue date Nov 16, 2021
- International Business Machines Corporation
- Tohru Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage system with generation rollback control
- Patent number 11,175,843
- Issue date Nov 16, 2021
- International Business Machines Corporation
- Tsuyoshi Miyamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Caching files in a directory
- Patent number 11,163,500
- Issue date Nov 2, 2021
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optimized tape unmount operation
- Patent number 11,152,018
- Issue date Oct 19, 2021
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
LEADING ERROR REPORTING FOR DATA STORAGE APPARATUS
- Publication number 20240289197
- Publication date Aug 29, 2024
- International Business Machines Corporation
- Hiroshi Itagaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LOCATE AHEAD ON TAPE DRIVE
- Publication number 20240143221
- Publication date May 2, 2024
- International Business Machines Corporation
- Atsushi Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTIMIZING REMOVABLE MEDIA LIBRARY FILE REMOVAL
- Publication number 20240111721
- Publication date Apr 4, 2024
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
APPENDING DATA TO A TAPE CARTRIDGE DURING RECALL OPERATIONS
- Publication number 20240028238
- Publication date Jan 25, 2024
- International Business Machines Corporation
- Noriko Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA MIGRATION MANAGEMENT BASED ON DATA LOCATION
- Publication number 20240004571
- Publication date Jan 4, 2024
- International Business Machines Corporation
- Noriko Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LINEAR TAPE FILE SYSTEM UNOPTIMIZED READ DETECTION
- Publication number 20230297281
- Publication date Sep 21, 2023
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COPY FROM LTFS TO DISK
- Publication number 20230280925
- Publication date Sep 7, 2023
- International Business Machines Corporation
- Shinsuke Mitsuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DYNAMIC TAPE STORAGE DEVICE DATA BUFFER
- Publication number 20230273725
- Publication date Aug 31, 2023
- International Business Machines Corporation
- Atsushi Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MODIFIED FILE STORAGE IN HIERARCHICAL STORAGE SYSTEMS
- Publication number 20230251800
- Publication date Aug 10, 2023
- International Business Machines Corporation
- Tsuyoshi Miyamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RE-ORDERING FILES BY KEYWORD FOR MIGRATION
- Publication number 20230161731
- Publication date May 25, 2023
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
APPENDING DATA TO A TAPE CARTRIDGE DURING RECALL OPERATIONS
- Publication number 20230097031
- Publication date Mar 30, 2023
- International Business Machines Corporation
- Noriko Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TAPE-TO-TAPE COPYING BETWEEN NODES OF MAGNETIC TAPE FILE SYSTEMS
- Publication number 20230103203
- Publication date Mar 30, 2023
- International Business Machines Corporation
- Atsushi Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RECALLING FILES FROM TAPE
- Publication number 20230091488
- Publication date Mar 23, 2023
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WRITE PERFORMANCE BY ENABLING HOST DATA TRANSFER IMMEDIATELY AFTER...
- Publication number 20230052640
- Publication date Feb 16, 2023
- International Business Machines Corporation
- Tsuyoshi Miyamura
- G11 - INFORMATION STORAGE
Information Patent Application
INDEX FILE WRITING ON TAPE STORAGE MEDIA
- Publication number 20220308758
- Publication date Sep 29, 2022
- International Business Machines Corporation
- Hiroshi Itagaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RECLASSIFICATION OF FILES IN A HIERARCHICAL STORAGE MANAGEMENT SYSTEM
- Publication number 20220291855
- Publication date Sep 15, 2022
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DYNAMIC TAPE STORAGE DEVICE DATA BUFFER
- Publication number 20220269408
- Publication date Aug 25, 2022
- International Business Machines Corporation
- Atsushi Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
REORDERING FILES
- Publication number 20220188269
- Publication date Jun 16, 2022
- International Business Machines Corporation
- Noriko Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COPYING DATA FROM A LINEAR TAPE FILE SYSTEM (LTFS)-BASED STORAGE SY...
- Publication number 20220171531
- Publication date Jun 2, 2022
- International Business Machines Corporation
- Shinsuke Mitsuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MIGRATING AND RECALLING FILES FOR DEEP LEARNING APPLICATIONS
- Publication number 20210303194
- Publication date Sep 30, 2021
- International Business Machines Corporation
- Sosuke Matsui
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
READING SEQUENTIALLY STORED FILES BASED ON READ AHEAD GROUPS
- Publication number 20210149590
- Publication date May 20, 2021
- International Business Machines Corporation
- Tsuyoshi Miyamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTIMIZING TIMING FOR DATA MIGRATION FROM OLD GENERATION TAPES TO N...
- Publication number 20210117105
- Publication date Apr 22, 2021
- International Business Machines Corporation
- Hiroshi Itagaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTIMIZED TAPE DRIVE UNMOUNTING
- Publication number 20210064298
- Publication date Mar 4, 2021
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
REORDERING A SEQUENCE OF FILES BASED ON COMPRESSION RATES IN DATA T...
- Publication number 20200371720
- Publication date Nov 26, 2020
- Noriko Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CACHING FILES IN A DIRECTORY
- Publication number 20200341946
- Publication date Oct 29, 2020
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CACHING FILES IN A DIRECTORY
- Publication number 20200341694
- Publication date Oct 29, 2020
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYNCHRONIZING DATA WRITES
- Publication number 20200319985
- Publication date Oct 8, 2020
- International Business Machines Corporation
- Shinsuke Mitsuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD TO WRITE DATA AHEAD TO SNAPSHOT AREA TO AVOID COPY-ON-WRITE
- Publication number 20200142971
- Publication date May 7, 2020
- International Business Machines Corporation
- Sosuke Matsui
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MANAGEMENT OF A MULTI-LIBRARY STORAGE SYSTEM
- Publication number 20200065022
- Publication date Feb 27, 2020
- International Business Machines Corporation
- Hiroshi Itagaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DETECTING DAMAGED AREAS ON MAGNETIC TAPE MEDIA USING DIAGNOSTICS LO...
- Publication number 20200051591
- Publication date Feb 13, 2020
- International Business Machines Corporation
- Noriko Yamamoto
- G11 - INFORMATION STORAGE

Hiroshi Itagaki

Person

Patents Grantslast 30 patents

Appending data to a tape cartridge during recall operations

Dynamic tape storage device data buffer

Optimizing removable media library file removal

Tape-to-tape copying between nodes of magnetic tape file systems

Linear tape file system unoptimized read detection

Copy from LTFS to disk

Copying data from a linear tape file system (LTFS)-based storage sy...

Data migration management based on data location

Write performance by enabling host data transfer immediately after...

Appending data to a tape cartridge during recall operations

Storing modified or unmodified portions of a file based on tape loa...

Dynamic tape storage device data buffer

Duplicating tape media within a tape storage system based on copy t...

Reordering files

Recalling files from tape

Index file writing on tape storage media

Duplexing data from multiple file systems onto a shared tape

Caching files in a directory

Reclassification of files in a hierarchical storage management system

Reading sequentially stored files based on read ahead groups

Reducing time to reposition tape to write index

Copy from source medium to target medium

Optimizing tape drives in a tape library

Copying a storage tape

Tape image reclaim in hierarchical storage systems

Identifying partial update for tape file system

Optimized tape unmount operation

Data storage system with generation rollback control

Caching files in a directory

Optimized tape unmount operation

Patents Applicationslast 30 patents

LEADING ERROR REPORTING FOR DATA STORAGE APPARATUS

LOCATE AHEAD ON TAPE DRIVE

OPTIMIZING REMOVABLE MEDIA LIBRARY FILE REMOVAL

APPENDING DATA TO A TAPE CARTRIDGE DURING RECALL OPERATIONS

DATA MIGRATION MANAGEMENT BASED ON DATA LOCATION

LINEAR TAPE FILE SYSTEM UNOPTIMIZED READ DETECTION

COPY FROM LTFS TO DISK

DYNAMIC TAPE STORAGE DEVICE DATA BUFFER

MODIFIED FILE STORAGE IN HIERARCHICAL STORAGE SYSTEMS

RE-ORDERING FILES BY KEYWORD FOR MIGRATION

APPENDING DATA TO A TAPE CARTRIDGE DURING RECALL OPERATIONS

TAPE-TO-TAPE COPYING BETWEEN NODES OF MAGNETIC TAPE FILE SYSTEMS

RECALLING FILES FROM TAPE

WRITE PERFORMANCE BY ENABLING HOST DATA TRANSFER IMMEDIATELY AFTER...

INDEX FILE WRITING ON TAPE STORAGE MEDIA

RECLASSIFICATION OF FILES IN A HIERARCHICAL STORAGE MANAGEMENT SYSTEM

DYNAMIC TAPE STORAGE DEVICE DATA BUFFER

REORDERING FILES

COPYING DATA FROM A LINEAR TAPE FILE SYSTEM (LTFS)-BASED STORAGE SY...

MIGRATING AND RECALLING FILES FOR DEEP LEARNING APPLICATIONS

READING SEQUENTIALLY STORED FILES BASED ON READ AHEAD GROUPS

OPTIMIZING TIMING FOR DATA MIGRATION FROM OLD GENERATION TAPES TO N...

OPTIMIZED TAPE DRIVE UNMOUNTING

REORDERING A SEQUENCE OF FILES BASED ON COMPRESSION RATES IN DATA T...

CACHING FILES IN A DIRECTORY

CACHING FILES IN A DIRECTORY

SYNCHRONIZING DATA WRITES

METHOD TO WRITE DATA AHEAD TO SNAPSHOT AREA TO AVOID COPY-ON-WRITE

MANAGEMENT OF A MULTI-LIBRARY STORAGE SYSTEM

DETECTING DAMAGED AREAS ON MAGNETIC TAPE MEDIA USING DIAGNOSTICS LO...