Inventor
Hiroaki Akutsu
Inventor
Tokyo, JP
Overview
Patents· 53 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing88%
H03MCoding7%
H04LTransmission of digital information, e.g. telegraphic communication5%
PatentTitleYear
11,036,585Distributed storage system202111,029,850System of controlling data rebalance and its method202110,956,063Virtual storage system202110,788,996Computer system and process execution method202010,740,189Distributed storage system202010,740,040System and computer for controlling caching for logical storage202010,733,092Storage system202010,656,836Storage system202010,628,349I/O control method and I/O control system202010,528,274Storage system and data management method202010,496,479Distributed storage system201910,459,638Computer system that generates group information and redundant code based on user data and changes the group information and redundant code based on transmission data, control method for computer system, and recording medium201910,452,302Storage system and data control method201910,452,293Virtual storage system201910,372,538Computer system201910,359,967Computer system201910,346,075Distributed storage system and control method for distributed storage system201910,310,758Storage system and storage control method201910,185,624Distributed storage system201910,168,919System and data management method201910,120,601Storage system and data processing method20189,946,616Storage apparatus20189,830,258Storage system20179,760,296'Storage device and method for controlling storage device'20179,652,159'Relocating data in tiered pool using multiple modes of moving data'20179,519,554'Storage system with rebuild operations'20169,465,561'Storage system and storage control method'20169,460,015'Storage system'20169,411,527'Storage system and data management method'20169,361,033'Compound storage system and storage control method'20169,329,999'Storage system improving read performance by controlling data caching'20169,311,013'Storage system and storage area allocation method having an automatic tier location function'20169,256,490'Storage apparatus, storage system, and data management method'20169,235,353'Storage apparatus and management method including determination of migration of data from one storage area to another based on access frequency'20169,176,858'Storage system configured to selectively utilize data compression based on real pool usage rates'20159,122,399'Storage system and storage control method'20159,047,220'Storage system and data management method'20159,026,754'Storage apparatus and data management method'20159,003,150'Tiered storage system configured to implement data relocation without degrading response performance and method'20159,003,087'Compound storage system and storage control method'20158,918,609'Storage apparatus and data management method to determine whether to migrate data from a first storage device to a second storage device based on an access frequency of a particular logical area'20148,880,830'Storage system'20148,819,371'Storage system'20148,719,524'Storage system including flash drives for improving performance by controlling data caching'20148,707,090'Storage system'20148,612,683'First storage control apparatus and first storage control apparatus control method'20138,510,517'Storage device and control method for managing resources of a storage system'20138,281,179'Information system, data transfer method and data protection method'20128,112,600'Creating a snapshot based on a marker transferred from a first storage system to a second storage system'20127,953,947'Creating a snapshot based on a marker transferred from a first storage system to a second storage system'20117,925,914'Information system, data transfer method and data protection method'20117,739,540'Information system, data transfer method and data protection method'20107,725,668'Computer system and snapshot creation method thereof, delaying snapshot creation until pending transfer between volumes is complete'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2021Patents assigned to HITACHI LTD (53)· patent assignee history
2010–2016Based in Yokohama, JP· patent location history
2012–2016Patents assigned to AKUTSU HIROAKI (10)· patent assignee history
2012–2016Patents assigned to EGUCHI YOSHIAKI (4)· patent assignee history
2013–2015Patents assigned to DEGUCHI AKIRA (3)· patent assignee history
2014–2021Based in Tokyo, JP· patent location history
2015–2016Patents assigned to OHIRA YOSHINORI (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 53 | 2010–2021 |
| AKUTSU HIROAKIself | 10 | 2012–2016 |
| EGUCHI YOSHIAKI | 4 | 2012–2016 |
| DEGUCHI AKIRA | 3 | 2013–2015 |
| OHIRA YOSHINORI | 2 | 2015–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 31 | 2014–2021 |
| Yokohama, JP | 22 | 2010–2016 |