Tomohiro KAWAGUCHI

Person

Cupertino, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Copy data's tier management
- Patent number 12,321,626
- Issue date Jun 3, 2025
- Hitachi, Ltd.
- Satish Kumar Jaiswal
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Storage network resource management
- Patent number 12,260,090
- Issue date Mar 25, 2025
- Hitachi, Ltd.
- Tomohiro Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Automatic copy configuration
- Patent number 12,164,389
- Issue date Dec 10, 2024
- Hitachi, Ltd.
- Akiyoshi Tsuchiya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Migration of application on container platform
- Patent number 12,159,051
- Issue date Dec 3, 2024
- Hitachi, Ltd.
- Akiyoshi Tsuchiya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data replication control for high available system
- Patent number 12,105,605
- Issue date Oct 1, 2024
- Hitachi, Ltd.
- Tomohiro Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Failure area identification system
- Patent number 11,977,433
- Issue date May 7, 2024
- Hitachi, Ltd.
- Hiroyuki Osaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Storage transaction log
- Patent number 11,977,636
- Issue date May 7, 2024
- Hitachi, Ltd.
- Tomohiro Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Recovery method of remote copy
- Patent number 11,853,099
- Issue date Dec 26, 2023
- Hitachi, Ltd.
- Tomohiro Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Dynamic volume provisioning for remote replication
- Patent number 11,620,069
- Issue date Apr 4, 2023
- Hitachi, Ltd.
- Akiyoshi Tsuchiya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Volume remote copy based on application priority
- Patent number 11,579,780
- Issue date Feb 14, 2023
- Hitachi, Ltd.
- Akiyoshi Tsuchiya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Volume operation propagation for synchronous remote copy
- Patent number 11,416,160
- Issue date Aug 16, 2022
- Hitachi, Ltd.
- Tomohiro Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data-protection-aware capacity provisioning of shared external volume
- Patent number 11,392,307
- Issue date Jul 19, 2022
- Hitachi, Ltd.
- Naruki Kurata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
LAN-free and application consistent backup method
- Patent number 11,379,319
- Issue date Jul 5, 2022
- Hitachi, Ltd.
- Yoshihiro Yoshii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Disaster recovery collaborated with storage system and backup appli...
- Patent number 11,321,196
- Issue date May 3, 2022
- Hitachi, Ltd.
- Miho Kobayashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Automated failover for asynchronous remote copy
- Patent number 11,307,944
- Issue date Apr 19, 2022
- Hitachi, Ltd.
- Tomohiro Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Efficient management method of storage area in hybrid cloud
- Patent number 11,250,361
- Issue date Feb 15, 2022
- Hitachi, Ltd.
- Miho Kobayashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
I/O path reservation with out of band management
- Patent number 11,106,371
- Issue date Aug 31, 2021
- Hitachi, Ltd.
- Akiyoshi Tsuchiya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus to change tiers
- Patent number 9,547,450
- Issue date Jan 17, 2017
- Hitachi, Ltd.
- Shinichi Hayashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fast accessible compressed thin provisioning volume
- Patent number 9,513,810
- Issue date Dec 6, 2016
- Hitachi, Ltd.
- Tomohiro Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods and apparatus for managing error codes for storage systems...
- Patent number 9,361,177
- Issue date Jun 7, 2016
- Hitachi, Ltd.
- Tomohiro Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Traffic reducing on data migration
- Patent number 9,323,461
- Issue date Apr 26, 2016
- Hitachi, Ltd.
- Tomohiro Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Volume copy management method on thin provisioning pool of storage...
- Patent number 9,229,637
- Issue date Jan 5, 2016
- Hitachi, Ltd.
- Toshihiko Kashiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus to change tiers
- Patent number 9,218,131
- Issue date Dec 22, 2015
- Hitachi, Ltd.
- Shinichi Hayashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fast data recovery from HDD failure
- Patent number 9,189,335
- Issue date Nov 17, 2015
- Hitachi, Ltd.
- Tomohiro Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Increase in deduplication efficiency for hierarchical storage system
- Patent number 8,965,856
- Issue date Feb 24, 2015
- Hitachi, Ltd.
- Tomohiro Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Network efficiency for continuous remote copy
- Patent number 8,909,896
- Issue date Dec 9, 2014
- Hitachi, Ltd.
- Tomohiro Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fast accessible compressed thin provisioning volume
- Patent number 8,898,384
- Issue date Nov 25, 2014
- Hitachi, Ltd.
- Tomohiro Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Distribution design for fast raid rebuild architecture based on loa...
- Patent number 8,775,733
- Issue date Jul 8, 2014
- Hitachi, Ltd.
- Tomohiro Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods and apparatus for managing error codes for storage systems...
- Patent number 8,738,963
- Issue date May 27, 2014
- Hitachi, Ltd.
- Tomohiro Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Low traffic failback remote copy
- Patent number 8,719,220
- Issue date May 6, 2014
- Hitachi, Ltd.
- Tomohiro Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
STORAGE SYSTEM THAT REALLOCATES VOLUMES BASED ON THEIR IMPORTANCE
- Publication number 20250231845
- Publication date Jul 17, 2025
- Hitachi, Ltd
- Takanobu SUZUKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COPY DATA'S TIER MANAGEMENT
- Publication number 20250165171
- Publication date May 22, 2025
- Hitachi, Ltd
- Satish Kumar JAISWAL
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
GLOBAL SNAPSHOT UTILIZATION
- Publication number 20250103443
- Publication date Mar 27, 2025
- Hitachi, Ltd
- Hiroyuki OSAKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
REMOTE COPY MANAGEMENT
- Publication number 20250103614
- Publication date Mar 27, 2025
- Hitachi, Ltd
- Tomohiro KAWAGUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
STORAGE NETWORK RESOURCE MANAGEMENT
- Publication number 20240256137
- Publication date Aug 1, 2024
- Hitachi, Ltd
- Tomohiro KAWAGUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MIGRATION OF APPLICATION ON CONTAINER PLATFORM
- Publication number 20240241660
- Publication date Jul 18, 2024
- Hitachi, Ltd
- Akiyoshi TSUCHIYA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA REPLICATION CONTROL FOR HIGH AVAILABLE SYSTEM
- Publication number 20240202085
- Publication date Jun 20, 2024
- Hitachi, Ltd
- Tomohiro KAWAGUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUTOMATIC COPY CONFIGURATION
- Publication number 20240103981
- Publication date Mar 28, 2024
- Hitachi, Ltd
- Akiyoshi TSUCHIYA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FAILURE AREA IDENTIFICATION SYSTEM
- Publication number 20240103949
- Publication date Mar 28, 2024
- Hitachi, Ltd
- Hiroyuki OSAKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RECOVERY METHOD OF REMOTE COPY
- Publication number 20230367502
- Publication date Nov 16, 2023
- Hitachi, Ltd
- Tomohiro KAWAGUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
STORAGE TRANSACTION LOG
- Publication number 20230079432
- Publication date Mar 16, 2023
- Hitachi, Ltd.
- Tomohiro KAWAGUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
VOLUME REMOTE COPY BASED ON APPLICATION PRIORITY
- Publication number 20230062858
- Publication date Mar 2, 2023
- Hitachi, Ltd.
- Akiyoshi TSUCHIYA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA INTEGRITY CHECKING MECHANISM FOR SHARED EXTERNAL VOLUME
- Publication number 20220291874
- Publication date Sep 15, 2022
- Hitachi, Ltd.
- Naruki KURATA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
VOLUME OPERATION PROPAGATION FOR SYNCHRONOUS REMOTE COPY
- Publication number 20220269413
- Publication date Aug 25, 2022
- Hitachi, Ltd
- Tomohiro KAWAGUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DYNAMIC VOLUME PROVISIONING FOR REMOTE REPLICATION
- Publication number 20220236879
- Publication date Jul 28, 2022
- Hitachi, Ltd.
- Akiyoshi TSUCHIYA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA-PROTECTION-AWARE CAPACITY PROVISIONING OF SHARED EXTERNAL VOLUME
- Publication number 20220019361
- Publication date Jan 20, 2022
- Hitachi, Ltd.
- Naruki KURATA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LAN-FREE AND APPLICATION CONSISTENT BACKUP METHOD
- Publication number 20210406134
- Publication date Dec 30, 2021
- Hitachi, Ltd.
- Yoshihiro YOSHII
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUTOMATED FAILOVER FOR ASYNCHRONOUS REMOTE COPY
- Publication number 20210382799
- Publication date Dec 9, 2021
- Hitachi, Ltd.
- Tomohiro KAWAGUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
EFFICIENT MANAGEMENT METHOD OF STORAGE AREA IN HYBRID CLOUD
- Publication number 20210365857
- Publication date Nov 25, 2021
- Hitachi, Ltd
- Miho KOBAYASHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS TO CHANGE TIERS
- Publication number 20160070497
- Publication date Mar 10, 2016
- HITACHI, LTD.
- Shinichi HAYASHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FAST ACCESSIBLE COMPRESSED THIN PROVISIONING VOLUME
- Publication number 20150067257
- Publication date Mar 5, 2015
- Hitachi, Ltd
- Tomohiro KAWAGUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHODS AND APPARATUS FOR MANAGING ERROR CODES FOR STORAGE SYSTEMS...
- Publication number 20140173390
- Publication date Jun 19, 2014
- Hitachi, Ltd., Intellectual Property Group
- Tomohiro Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FAST DATA RECOVERY FROM HDD FAILURE
- Publication number 20140115384
- Publication date Apr 24, 2014
- Hitachi, Ltd
- Tomohiro KAWAGUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TRAFFIC REDUCING ON DATA MIGRATION
- Publication number 20130297899
- Publication date Nov 7, 2013
- Hitachi, Ltd
- Tomohiro KAWAGUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MANAGEMENT INTERFACE FOR MULTIPLE STORAGE SUBSYSTEMS VIRTUALIZATION
- Publication number 20130238852
- Publication date Sep 12, 2013
- Hitachi, Ltd
- Tomohiro KAWAGUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHODS AND APPARATUS FOR MANAGING ERROR CODES FOR STORAGE SYSTEMS...
- Publication number 20130179737
- Publication date Jul 11, 2013
- Hitachi, Ltd., Intellectual Property Group
- Tomohiro Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
VOLUME COPY MANAGEMENT METHOD ON THIN PROVISIONING POOL OF STORAGE...
- Publication number 20130132668
- Publication date May 23, 2013
- Toshihiko KASHIYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS TO CHANGE TIERS
- Publication number 20130103778
- Publication date Apr 25, 2013
- Hitachi, Ltd
- Shinichi Hayashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DISTRIBUTION DESIGN FOR FAST RAID REBUILD ARCHITECTURE
- Publication number 20130054891
- Publication date Feb 28, 2013
- Hitachi, Ltd
- Tomohiro KAWAGUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INCREASE IN DEDUPLICATION EFFICIENCY FOR HIERARCHICAL STORAGE SYSTEM
- Publication number 20130054894
- Publication date Feb 28, 2013
- Hitachi, Ltd
- Tomohiro KAWAGUCHI
- G06 - COMPUTING CALCULATING COUNTING

Tomohiro KAWAGUCHI

Person

Patents Grantslast 30 patents

Copy data's tier management

Storage network resource management

Automatic copy configuration

Migration of application on container platform

Data replication control for high available system

Failure area identification system

Storage transaction log

Recovery method of remote copy

Dynamic volume provisioning for remote replication

Volume remote copy based on application priority

Volume operation propagation for synchronous remote copy

Data-protection-aware capacity provisioning of shared external volume

LAN-free and application consistent backup method

Disaster recovery collaborated with storage system and backup appli...

Automated failover for asynchronous remote copy

Efficient management method of storage area in hybrid cloud

I/O path reservation with out of band management

Method and apparatus to change tiers

Fast accessible compressed thin provisioning volume

Methods and apparatus for managing error codes for storage systems...

Traffic reducing on data migration

Volume copy management method on thin provisioning pool of storage...

Method and apparatus to change tiers

Fast data recovery from HDD failure

Increase in deduplication efficiency for hierarchical storage system

Network efficiency for continuous remote copy

Fast accessible compressed thin provisioning volume

Distribution design for fast raid rebuild architecture based on loa...

Methods and apparatus for managing error codes for storage systems...

Low traffic failback remote copy

Patents Applicationslast 30 patents

STORAGE SYSTEM THAT REALLOCATES VOLUMES BASED ON THEIR IMPORTANCE

COPY DATA'S TIER MANAGEMENT

GLOBAL SNAPSHOT UTILIZATION

REMOTE COPY MANAGEMENT

STORAGE NETWORK RESOURCE MANAGEMENT

MIGRATION OF APPLICATION ON CONTAINER PLATFORM

DATA REPLICATION CONTROL FOR HIGH AVAILABLE SYSTEM

AUTOMATIC COPY CONFIGURATION

FAILURE AREA IDENTIFICATION SYSTEM

RECOVERY METHOD OF REMOTE COPY

STORAGE TRANSACTION LOG

VOLUME REMOTE COPY BASED ON APPLICATION PRIORITY

DATA INTEGRITY CHECKING MECHANISM FOR SHARED EXTERNAL VOLUME

VOLUME OPERATION PROPAGATION FOR SYNCHRONOUS REMOTE COPY

DYNAMIC VOLUME PROVISIONING FOR REMOTE REPLICATION

DATA-PROTECTION-AWARE CAPACITY PROVISIONING OF SHARED EXTERNAL VOLUME

LAN-FREE AND APPLICATION CONSISTENT BACKUP METHOD

AUTOMATED FAILOVER FOR ASYNCHRONOUS REMOTE COPY

EFFICIENT MANAGEMENT METHOD OF STORAGE AREA IN HYBRID CLOUD

METHOD AND APPARATUS TO CHANGE TIERS

FAST ACCESSIBLE COMPRESSED THIN PROVISIONING VOLUME

METHODS AND APPARATUS FOR MANAGING ERROR CODES FOR STORAGE SYSTEMS...

FAST DATA RECOVERY FROM HDD FAILURE

TRAFFIC REDUCING ON DATA MIGRATION

MANAGEMENT INTERFACE FOR MULTIPLE STORAGE SUBSYSTEMS VIRTUALIZATION

METHODS AND APPARATUS FOR MANAGING ERROR CODES FOR STORAGE SYSTEMS...

VOLUME COPY MANAGEMENT METHOD ON THIN PROVISIONING POOL OF STORAGE...

METHOD AND APPARATUS TO CHANGE TIERS

DISTRIBUTION DESIGN FOR FAST RAID REBUILD ARCHITECTURE

INCREASE IN DEDUPLICATION EFFICIENCY FOR HIERARCHICAL STORAGE SYSTEM