Inventor

Junji Ogawa

Inventor
Sagamihara, JP

Overview

120→
Patents
1981–2021
Patent span
Physics
Primary field (CPC G)

Patents· 120 as inventor

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

G06Fprimary
G06FElectric digital data processing41%
G11CStatic stores26%
H03KPulse technique6%
H04LTransmission of digital information, e.g. telegraphic communication6%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
E02FDredging2%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses2%
H10DInorganic electric semiconductor devices1%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h101%
PatentTitleYear
11,068,180System including non-volatile memory drive202110,860,225Apparatus and method for routing access based on device load202010,803,972Flash memory module, storage system, and method of controlling flash memory202010,684,785Storage system202010,614,014Semiconductor storage device having a memory controller, a selection unit and a switch unit connected to each other202010,444,992Storage device, apparatus having storage device, and storage control method201910,360,144Storage apparatus and non-volatile memory device including a controller to selectively compress data based on an update frequency level201910,310,758Storage system and storage control method201910,310,770Nonvolatile memory device, and storage apparatus having nonvolatile memory device201910,229,742Flash memory device201910,146,435Storage system and data write method201810,102,060Storage apparatus and data control method of storing data with an error correction code201810,089,033Storage system201810,061,710Storage device20189,946,616Storage apparatus20189,778,986'Storage system'20179,727,246'Memory device, computer system, and method of controlling memory device'2017D0777250'ROM chip attachment of an ink bottle'20179,529,537'Storage system and storage method'20169,477,405'Storage system'20169,411,527'Storage system and data management method'20169,405,478'Storage apparatus provided with a plurality of nonvolatile semiconductor storage media and storage control method'20169,387,684'Ink jet recording apparatus, ink or solvent cartridge, and bottle included in cartridge'20169,367,469'Storage system and cache control method'20169,361,033'Compound storage system and storage control method'20169,343,153'De-duplication in flash memory module'20169,335,929'Nonvolatile semiconductor storage system'20169,317,423'Storage system which realizes asynchronous remote copy using cache memory composed of flash memory, and control method thereof'20169,223,655'Storage system and method for controlling storage system'20159,183,136'Storage control apparatus and storage control method'20159,164,693'Remote copy system and remote copy control method'20159,128,847'Cache control apparatus and cache control method'20159,111,618'De-duplication in flash memory module'20159,063,663'Semiconductor storage device and data control method thereof'20159,047,220'Storage system and data management method'20159,003,087'Compound storage system and storage control method'20158,984,211'Computer system and management system'20158,972,651'Storage system and storage method'2015D0722642'Ink bottle for inkjet printer'20158,949,511'Nonvolatile semiconductor storage system'20158,898,545'Semiconductor storage device and control method of nonvolatile memory'20148,832,371'Storage system with multiple flash memory packages and data control method therefor'20148,806,108'Semiconductor storage apparatus and method of controlling semiconductor storage apparatus'20148,799,562'Storage apparatus and data control method for generating and storing format data and guarantee codes'20148,762,638'Remote copy system and remote copy control method'20148,539,142'Storage system comprising nonvolatile semiconductor storage media'20138,429,667'Storage system and method for controlling the same'20138,419,340'Working machine with telescopic boom unit'20138,387,063'Storage apparatus and load balancing method'20138,352,676'Apparatus and method to store a plurality of data having a common pattern and guarantee codes associated therewith in a single page'20138,312,121'Storage system comprising function for alleviating performance bottleneck'20128,307,171'Storage controller and storage control method for dynamically assigning partial areas of pool area as data storage areas'20128,291,162'Storage system'20128,285,824'Storage system and data replication method that refuses one or more requests for changing the first logical configuration information until the first storage apparatus and second storage apparatus are synchronized'20128,146,092'System and method for selecting and executing an optimal load distribution processing in a storage system'20128,122,154'Storage system'20128,089,487'Storage control device and storage system'20128,065,553'Phase interpolator for a timing signal generating circuit'20118,037,245'Storage system'20117,970,995'Storage system'20117,863,948'Clock frequency dividing circuit'20117,863,987'Clock signal generating and distributing apparatus'20117,797,477'File access method in a storage system, and programs for performing the file access'20107,786,785'Peaking control circuit'20107,725,631'Information system and information storage method of information system'20107,653,169'Timing adjustment for data transmitting/receiving circuit'20107,587,552'Computer system and performance tuning method'20097,505,532'Signal transmission system using PRD method, receiver circuit for use in the signal transmission system, and semiconductor memory device to which the signal transmission system is applied'20097,496,781'Timing signal generating circuit with a master circuit and slave circuits'20097,496,724'Load balancing in a mirrored storage system'20097,421,547'Storage system and storage control method without requiring formatting of storage device'20087,397,293'Clock distribution circuit'20087,380,090'Storage device and control method for the same'20087,346,599'Storage system and method of managing data stored in a storage system'20087,293,131'Access to disk storage using file attribute information'20077,154,797'Signal transmission system using PRD method, receiver circuit for use in the signal transmission system, and semiconductor memory device to which the signal transmission system is applied'20067,136,963'Storage capable of cache assignment modification'20067,069,380'File access method in storage-device system, and programs for the file access'20066,493,394'SIGNAL TRANSMISSION SYSTEM FOR TRANSMITTING SIGNALS BETWEEN LSI CHIPS, RECEIVER CIRCUIT FOR USE IN THE SIGNAL TRANSMISSION SYSTEM, AND SEMICONDUCTOR MEMORY DEVICE APPLYING THE SIGNAL TRANSMISSION SYSTEM'20026,484,268'Signal transmission system having a timing adjustment circuit'20026,385,951'Rotary plant mowing apparatus employing auto-rotation of blade units'20026,377,638'SIGNAL TRANSMISSION SYSTEM FOR TRANSMITTING SIGNALS BETWEEN LSI CHIPS, RECEIVER CIRCUIT FOR USE IN THE SIGNAL TRANSMISSION SYSTEM, AND SEMICONDUCTOR MEMORY DEVICE APPLYING THE SIGNAL TRANSMISSION SYSTEM'20026,333,883'Destructive read type memory circuit, restoring circuit for the same and sense amplifier'20016,247,138'Timing signal generating circuit, semiconductor integrated circuit device and semiconductor integrated circuit system to which the timing signal generating circuit is applied, and signal transmission system'20016,205,076'Destructive read type memory circuit, restoring circuit for the same and sense amplifier'20016,185,256'Signal transmission system using PRD method, receiver circuit for use in the signal transmission system, and semiconductor memory device to which the signal transmission system is applied'20016,166,992'Semiconductor device'20006,157,688'Signal transmission system for transmitting signals between LSI chips, receiver circuit for use in the signal transmission system, and semiconductor memory device applying the signal transmission system'20006,064,244'Phase-locked loop circuit permitting reduction of circuit size'20006,009,039'Semiconductor device'19995,973,750'Television channel selection monitoring apparatus'19995,909,142'Semiconductor integrated circuit device having burn-in test capability and method for using the same'19995,822,257'Semiconductor memory device capable of relieving fixed-failure memory cells and refresh-failure memory cells'19985,767,712'Semiconductor device'19985,648,680'Lead-on-chip semiconductor device'19975,463,582'Semiconductor memory device capable of multidirection data access'19955,379,264'Semiconductor memory device capable of multidirection data access'19955,163,102'Image recognition system with selectively variable brightness and color controlled light source'19925,029,581'Laser therapeutic apparatus'19914,962,486'Boundary-free semiconductor memory device having a plurality of slide access memories'19904,896,301'Semiconductor memory device capable of multidirection data selection and having address scramble means'19904,811,297'Boundary-free semiconductor memory device'19894,799,198'Image memory'19894,773,045'Semiconductor memory device with shift during write capability'19884,769,789'Semiconductor memory device having serial data input and output circuit'19884,752,914'Semiconductor integrated circuit with redundant circuit replacement'19884,748,779'Telescopic arm for use in civil engineering machines'19884,745,577'Semiconductor memory device with shift registers for high speed reading and writing'19884,740,922'Semiconductor memory device having a read-modify-write configuration'19884,733,376'Semiconductor memory device having serial data input circuit and serial data output circuit'19884,720,815'Semiconductor memory device in form of shift register with two-phase clock signal supply'19884,707,806'Semiconductor integrated circuit device having fuse-type information storing circuit'19874,701,887'Semiconductor memory device having a redundancy circuit'19874,616,343'Semiconductor memory device'19864,592,025'Information storing circuit using blown and unblown fuses'19864,583,179'Semiconductor integrated circuit'19864,578,781'MIS transistor circuit'19864,545,037'Dynamic semiconductor memory device with balanced sensing arrangement'19854,529,239'Grapple attachment for log loader'19854,283,866'Convertible bucket attachment capable of excavation and clasping'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2016Patents assigned to OGAWA JUNJI (25)· patent assignee history
1985–2020Patents assigned to FUJITSU LTD (45)· patent assignee history
1985–2012Based in Yokohama, JP· patent location history
1986–2021Based in Tokyo, JP· patent location history
1990–2011Based in Kawasaki, JP· patent location history
2006–2021Patents assigned to HITACHI LTD (64)· patent assignee history
2009–2016Based in Sagamihara, JP· patent location history
2012–2013Patents assigned to NONAKA YUSUKE (4)· patent assignee history
2013–2015Patents assigned to KAWAMURA ATSUSHI (5)· patent assignee history
2015–2017Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD642006–2021
FUJITSU LTD451985–2020
OGAWA JUNJIself251981–2016
KAWAMURA ATSUSHI52013–2015
NONAKA YUSUKE42012–2013
Locations
LocationPatentsSpan
Sagamihara, JP392009–2016
Tokyo, JP311986–2021
Kawasaki, JP281990–2011
Yokohama, JP111985–2012
Osaka, JP32015–2017