Masayuki Iwanaga

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Header decoding mechanism for tape storage
- Patent number 11,967,342
- Issue date Apr 23, 2024
- International Business Machines Corporation
- Kevin Dale Butt
- G11 - INFORMATION STORAGE
Information Patent Grant
Information management
- Patent number 11,042,508
- Issue date Jun 22, 2021
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic tape device capable of selecting codeword rewrite based on...
- Patent number 10,937,453
- Issue date Mar 2, 2021
- International Business Machines Corporation
- Kevin Dale Butt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reclamation of storage medium
- Patent number 10,620,838
- Issue date Apr 14, 2020
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Writing data spanning plurality of tape cartridges
- Patent number 10,572,154
- Issue date Feb 25, 2020
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reducing time to read many files from tape
- Patent number 10,359,964
- Issue date Jul 23, 2019
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information management
- Patent number 10,331,622
- Issue date Jun 25, 2019
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Metadata storing technique
- Patent number 10,282,427
- Issue date May 7, 2019
- International Business Machines Corporation
- Masayuki Iwanaga
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Writing data spanning plurality of tape cartridges
- Patent number 10,282,098
- Issue date May 7, 2019
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Estimating mount time completion in file systems
- Patent number 10,216,456
- Issue date Feb 26, 2019
- International Business Machines Corporation
- Atsushi Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Selective index writing prior to unthreading a magnetic recording tape
- Patent number 10,204,653
- Issue date Feb 12, 2019
- International Business Machines Corporation
- Tohru Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Deleting files written on tape
- Patent number 10,169,344
- Issue date Jan 1, 2019
- International Business Machines Corporation
- Masayuki Iwanaga
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Writing files to a storage medium
- Patent number 10,078,466
- Issue date Sep 18, 2018
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reclamation of storage medium
- Patent number 10,042,556
- Issue date Aug 7, 2018
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reclaiming of sequential storage medium
- Patent number 9,996,459
- Issue date Jun 12, 2018
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Selective index writing prior to unthreading a magnetic recording tape
- Patent number 9,997,193
- Issue date Jun 12, 2018
- International Business Machines Corporation
- Tohru Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Deleting files written on tape
- Patent number 9,984,078
- Issue date May 29, 2018
- International Business Machines Corporation
- Masayuki Iwanaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Writing data spanning plurality of tape cartridges
- Patent number 9,965,189
- Issue date May 8, 2018
- International Business Machines Corporation
- Tohru Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Responding to recall operations based on file migration time
- Patent number 9,952,770
- Issue date Apr 24, 2018
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Encoding information on tape using write offset gaps
- Patent number 9,947,355
- Issue date Apr 17, 2018
- International Business Machines Corporation
- Tohru Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of moving files in hierarchical storage system
- Patent number 9,946,487
- Issue date Apr 17, 2018
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of moving files in hierarchical storage system
- Patent number 9,940,061
- Issue date Apr 10, 2018
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Writing data spanning plurality of tape cartridges
- Patent number 9,891,834
- Issue date Feb 13, 2018
- International Business Machines Corporation
- Tohru Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Writing files to a storage medium
- Patent number 9,858,010
- Issue date Jan 2, 2018
- International Business Machines Corporation
- Tohru Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Migration of data to sequential access medium
- Patent number 9,766,835
- Issue date Sep 19, 2017
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Migration of data to sequential access medium
- Patent number 9,766,836
- Issue date Sep 19, 2017
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Migration of data to sequential access medium
- Patent number 9,760,305
- Issue date Sep 12, 2017
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Deleting files written on tape
- Patent number 9,753,930
- Issue date Sep 5, 2017
- International Business Machines Corporation
- Masayuki Iwanaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Icon display of file history recorded in storage as additional data
- Patent number 9,746,994
- Issue date Aug 29, 2017
- International Business Machines Corporation
- Masayuki Iwanaga
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for writing file while spanning file over a plurality of tap...
- Patent number 9,733,859
- Issue date Aug 15, 2017
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
SELECTIVE HARD AND SOFT REWRITES
- Publication number 20240231683
- Publication date Jul 11, 2024
- International Business Machines Corporation
- Ernest Stewart Gale
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SELECTIVE HARD AND SOFT REWRITES
- Publication number 20240134565
- Publication date Apr 25, 2024
- International Business Machines Corporation
- Ernest Stewart Gale
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HEADER DECODING MECHANISM FOR TAPE STORAGE
- Publication number 20240087604
- Publication date Mar 14, 2024
- International Business Machines Corporation
- Kevin Dale BUTT
- G11 - INFORMATION STORAGE
Information Patent Application
HEADER ENCODING MECHANISM FOR TAPE STORAGE
- Publication number 20240087605
- Publication date Mar 14, 2024
- International Business Machines Corporation
- Kevin Dale BUTT
- G11 - INFORMATION STORAGE
Information Patent Application
INFORMATION MANAGEMENT
- Publication number 20190258608
- Publication date Aug 22, 2019
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SELECTIVE INDEX WRITING PRIOR TO UNTHREADING A MAGNETIC RECORDING TAPE
- Publication number 20180277157
- Publication date Sep 27, 2018
- International Business Machines Corporation
- Tohru Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Application
RECLAMATION OF STORAGE MEDIUM
- Publication number 20180260133
- Publication date Sep 13, 2018
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WRITING DATA SPANNING PLURALITY OF TAPE CARTRIDGES
- Publication number 20180074720
- Publication date Mar 15, 2018
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WRITING FILES TO A STORAGE MEDIUM
- Publication number 20180067681
- Publication date Mar 8, 2018
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ESTIMATING MOUNT TIME COMPLETION IN FILE SYSTEMS
- Publication number 20180025015
- Publication date Jan 25, 2018
- International Business Machines Corporation
- Atsushi Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD OF MOVING FILES IN HIERARCHICAL STORAGE SYSTEM
- Publication number 20180004450
- Publication date Jan 4, 2018
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RESPONDING TO RECALL OPERATIONS BASED ON FILE MIGRATION TIME
- Publication number 20170357451
- Publication date Dec 14, 2017
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DELETING FILES WRITTEN ON TAPE
- Publication number 20170344562
- Publication date Nov 30, 2017
- International Business Machines Corporation
- Masayuki Iwanaga
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WRITING DATA SPANNING PLURALITY OF TAPE CARTRIDGES
- Publication number 20170344271
- Publication date Nov 30, 2017
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DELETING FILES WRITTEN ON TAPE
- Publication number 20170344561
- Publication date Nov 30, 2017
- International Business Machines Corporation
- Masayuki Iwanaga
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LINEAR TAPE FILE SYSTEM SELECTIVE FILE AND DIRECTORY TAPE MOUNTING
- Publication number 20170344570
- Publication date Nov 30, 2017
- International Business Machines Corporation
- Atsushi Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
REDUCING TIME TO READ MANY FILES FROM TAPE
- Publication number 20170168735
- Publication date Jun 15, 2017
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCODING INFORMATION ON TAPE USING WRITE OFFSET GAPS
- Publication number 20170162219
- Publication date Jun 8, 2017
- International Business Machines Corporation
- Tohru Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Application
MIGRATION OF DATA TO SEQUENTIAL ACCESS MEDIUM
- Publication number 20170131940
- Publication date May 11, 2017
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MIGRATION OF DATA TO SEQUENTIAL ACCESS MEDIUM
- Publication number 20170131941
- Publication date May 11, 2017
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MIGRATION OF DATA TO SEQUENTIAL ACCESS MEDIUM
- Publication number 20170131942
- Publication date May 11, 2017
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION MANAGEMENT
- Publication number 20170132221
- Publication date May 11, 2017
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WRITING DATA TO SEQUENTIAL STORAGE MEDIUM
- Publication number 20170090761
- Publication date Mar 30, 2017
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RECLAIMING OF SEQUENTIAL STORAGE MEDIUM
- Publication number 20170083437
- Publication date Mar 23, 2017
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WRITING DATA SPANNING PLURALITY OF TAPE CARTRIDGES
- Publication number 20170068461
- Publication date Mar 9, 2017
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCODING INFORMATION ON TAPE USING WRITE OFFSET GAPS
- Publication number 20170061996
- Publication date Mar 2, 2017
- International Business Machines Corporation
- Tohru Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Application
LISTING STORAGE MEDIA
- Publication number 20170052705
- Publication date Feb 23, 2017
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RECLAMATION OF STORAGE MEDIUM
- Publication number 20170031603
- Publication date Feb 2, 2017
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ERASING RECORDED DATA BY UTILIZING READ HEAD AND WRITE HEAD
- Publication number 20160189744
- Publication date Jun 30, 2016
- International Business Machines Corporation
- Masayuki Iwanaga
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR WRITING FILE WHILE SPANNING FILE OVER A PLURALITY OF TAP...
- Publication number 20160170681
- Publication date Jun 16, 2016
- International Business Machines Corporation
- Tohru Hasegawa
- G06 - COMPUTING CALCULATING COUNTING

Masayuki Iwanaga

Person

Patents Grantslast 30 patents

Header decoding mechanism for tape storage

Information management

Magnetic tape device capable of selecting codeword rewrite based on...

Reclamation of storage medium

Writing data spanning plurality of tape cartridges

Reducing time to read many files from tape

Information management

Metadata storing technique

Writing data spanning plurality of tape cartridges

Estimating mount time completion in file systems

Selective index writing prior to unthreading a magnetic recording tape

Deleting files written on tape

Writing files to a storage medium

Reclamation of storage medium

Reclaiming of sequential storage medium

Selective index writing prior to unthreading a magnetic recording tape

Deleting files written on tape

Writing data spanning plurality of tape cartridges

Responding to recall operations based on file migration time

Encoding information on tape using write offset gaps

Method of moving files in hierarchical storage system

Method of moving files in hierarchical storage system

Writing data spanning plurality of tape cartridges

Writing files to a storage medium

Migration of data to sequential access medium

Migration of data to sequential access medium

Migration of data to sequential access medium

Deleting files written on tape

Icon display of file history recorded in storage as additional data

Method for writing file while spanning file over a plurality of tap...

Patents Applicationslast 30 patents

SELECTIVE HARD AND SOFT REWRITES

SELECTIVE HARD AND SOFT REWRITES

HEADER DECODING MECHANISM FOR TAPE STORAGE

HEADER ENCODING MECHANISM FOR TAPE STORAGE

INFORMATION MANAGEMENT

SELECTIVE INDEX WRITING PRIOR TO UNTHREADING A MAGNETIC RECORDING TAPE

RECLAMATION OF STORAGE MEDIUM

WRITING DATA SPANNING PLURALITY OF TAPE CARTRIDGES

WRITING FILES TO A STORAGE MEDIUM

ESTIMATING MOUNT TIME COMPLETION IN FILE SYSTEMS

METHOD OF MOVING FILES IN HIERARCHICAL STORAGE SYSTEM

RESPONDING TO RECALL OPERATIONS BASED ON FILE MIGRATION TIME

DELETING FILES WRITTEN ON TAPE

WRITING DATA SPANNING PLURALITY OF TAPE CARTRIDGES

DELETING FILES WRITTEN ON TAPE

LINEAR TAPE FILE SYSTEM SELECTIVE FILE AND DIRECTORY TAPE MOUNTING

REDUCING TIME TO READ MANY FILES FROM TAPE

ENCODING INFORMATION ON TAPE USING WRITE OFFSET GAPS

MIGRATION OF DATA TO SEQUENTIAL ACCESS MEDIUM

MIGRATION OF DATA TO SEQUENTIAL ACCESS MEDIUM

MIGRATION OF DATA TO SEQUENTIAL ACCESS MEDIUM

INFORMATION MANAGEMENT

WRITING DATA TO SEQUENTIAL STORAGE MEDIUM

RECLAIMING OF SEQUENTIAL STORAGE MEDIUM

WRITING DATA SPANNING PLURALITY OF TAPE CARTRIDGES

ENCODING INFORMATION ON TAPE USING WRITE OFFSET GAPS

LISTING STORAGE MEDIA

RECLAMATION OF STORAGE MEDIUM

ERASING RECORDED DATA BY UTILIZING READ HEAD AND WRITE HEAD

METHOD FOR WRITING FILE WHILE SPANNING FILE OVER A PLURALITY OF TAP...