LexDanaLexDanabeta
Inventor

Yuichi Yagawa

Inventor
Yokohama, JP

Overview

57→
Patents
1998–2017
Patent span
Physics
Primary field (CPC G)

Patents· 57 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary
G06FElectric digital data processing51%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
H04LTransmission of digital information, e.g. telegraphic communication9%
H04NPictorial communication, e.g. television9%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes6%
G11BInformation storage based on relative movement between record carrier and transducer6%
H04HBroadcast communication2%
G11CStatic stores1%
LOC141%
LOC191%
PatentTitleYear
D0797130'Display screen with graphical user interface'2017D0791869'Writing paper'20178,346,934'Method for executing migration between virtual servers and server system used for the same'20138,307,179'Method of improving efficiency of replication monitoring'20128,266,285'Method and program for supporting setting of access management information'20128,195,902'Method of improving efficiency of replication monitoring'20128,171,241'Computer system, computer and method for managing performance based on I/O division ratio'20128,151,119'Method and apparatus for secure data mirroring a storage system'20128,145,818'Access right managing method for accessing multiple programs'20128,086,733'Method and program for supporting setting of access management information'20118,078,814'Method of improving efficiency of replication monitoring'20118,010,725'Access right managing method for accessing multiple programs'20117,941,622'Point in time remote copy for multiple sites'20117,913,052'Method and apparatus for reducing the amount of data in a storage system'20117,752,457'Method and apparatus for secure data mirroring a storage system'20107,743,190'Access right managing method for accessing multiple programs'20107,716,488'Trusted time stamping storage system'20107,707,199'Method and system for integrated management computer setting access rights, calculates requested storage capacity of multiple logical storage apparatus for migration'20107,685,390'Storage system'20107,620,767'Worm proving storage system'20097,577,805'Using bandwidth and capacity parameters to control remote copy operations in storage systems'20097,536,523'Point in time remote copy for multiple sites'20097,487,400'Method for data protection in disk array systems'20097,464,070'Database query operations using storage networks'20087,457,934'Method and apparatus for reducing the amount of data in a storage system'20087,434,057'System and method for watermarking in accessed data in a storage system'20087,412,576'Remote copy system having multiple data centers'20087,383,462'Method and apparatus for encrypted remote copy for secure data backup and restoration'20087,340,610'Trusted time stamping storage system'20087,334,101'Point in time remote copy for multiple sites'20087,334,079'Worm providing storage system'20087,318,133'Method and apparatus for replicating volumes'20087,284,020'System and method for data recovery in a storage system'20077,269,743'Method and apparatus for secure data mirroring a storage system'20077,197,554'Data linkage method and system'20077,177,883'Method and apparatus for hierarchical storage management based on data value and user interest'20077,177,995'Long term data protection system and method'20077,171,511'WORM proving storage system'20077,165,158'System and method for migrating a replication system'20077,152,067'Secure multi database system including a plurality of database devices'20067,143,112'Method and apparatus for data integration'20067,120,769'Point in time remote copy for multiple sites'20067,100,008'Long term data protection system and method'20067,096,486'TV program selection support system'20066,882,994'Method and system for querying database, as well as a recording medium for storing a database querying program'20056,857,131'Method and apparatus for displaying an image and data related to the image conditioned on user identifier'20056,801,713'Recorded program viewing support method'20046,792,425'Secure multi database system including a client, multi database server, and database server'20046,751,598'Digital content distribution system and protection method'20046,691,310'Information receiver and information transmission and reception method providing information usage status'20046,590,608'Method and apparatus for managing a plurality of images by classifying them into groups'20036,535,921'Method of sending and receiving information and system using such method'20036,487,543'Media-integrating system, terminal device, recording medium and broadcasting method for use in the media-integrating system'20026,314,467'Method of sending and receiving information and system using such method'20016,229,566'Electronic photography system'20016,101,506'Method and system for managing files by version and programs therefor'20005,796,428'Electronic photography system'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2017Patents assigned to HITACHI LTD (57)· patent assignee history
1998–2003Based in Chigasaki, JP· patent location history
2000–2013Based in Yokohama, JP· patent location history
2004–2017Based in Tokyo, JP· patent location history
2004Based in Kawasaki, JP· patent location history
2006–2011Based in San Jose, CA, US· patent location history
2011–2013Patents assigned to YAGAWA YUICHI (9)· patent assignee history
2011–2012Patents assigned to EMARU HIRONORI (3)· patent assignee history
2011–2012Patents assigned to INOUE HIROYUKI (3)· patent assignee history
2011–2012Patents assigned to FUJITA TAKAHIRO (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD571998–2017
YAGAWA YUICHIself92011–2013
EMARU HIRONORI32011–2012
INOUE HIROYUKI32011–2012
FUJITA TAKAHIRO22011–2012
Locations
LocationPatentsSpan
Yokohama, JP242000–2013
San Jose, California, US222006–2011
Tokyo, JP72004–2017
Chigasaki, JP31998–2003
Kawasaki, JP12004