Inventor

Hiroshi Araki

Inventor

Tokyo, JP

Overview

1979–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 83 as inventor

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

G06Fprimary

G06FElectric digital data processing14%

B66BElevators13%

H02JElectric power networks6%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters6%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems4%

H04LTransmission of digital information, e.g. telegraphic communication4%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications4%

B23PMetal-working not otherwise provided for2%

F16CShafts2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

PatentTitleYear

10,838,767Distributed computing utilizing a recovery site2020 10,719,483Remote copy with data deduplication functionality2020 10,691,643Deduplication for files in cloud computing storage and communication tools2020 10,684,789Scheduled recall in a hierarchical shared storage system2020 10,584,752Ball arranging method and device for ball bearing, and ball bearing manufactured by said ball arranging method2020 10,487,879Ball bearing assembly method and assembly device, and ball bearing produced using said assembly method2019 10,452,858Encryption key management for file system2019 10,394,450Apparatus, method, and program product for grouping data2019 10,347,068Capacitance detection device and image reading device2019 10,302,139Grease sealing method and sealing device for ball bearing and ball bearing produced using said sealing method2019 10,298,548Efficient data replication of an encrypted file system2019 10,282,932Capacitance detection device and image reading device2019 10,222,994Storing selected data in a stub file in a hierarchical storage management system2019 10,169,358Data deduplication using a small hash table2019 10,169,085Distributed computing of a task utilizing a copy of an original file stored on a recovery site and based on file modification times2019 10,083,185Enhanced data replication2018 10,055,165Automated migration of file recalled by specific application2018 10,013,206Automated migration of file recalled by specific application2018 9,996,599Using access count of the remote site to optimize file transfer order for asynchronous replication2018 9,954,344Spark plug for internal combustion engine2018 9,946,488Automated migration of file recalled by specific application2018 9,886,447'Performance of asynchronous replication in HSM integrated storage systems'2018 9,831,638Spark plug2017 9,737,661'Infusion speed measurement instrument'2017 9,711,979'Power supply system'2017 9,696,943'Accessing stored data'2017 9,620,969'Storage battery equalization device capable of charging battery pack including storage battery modules having different output voltages in short time'2017 9,594,658'Method for displaying operation states of modules included in computer system'2017 9,583,916'Alumina sintered body and spark plug using the same'2017 9,521,471'Line accommodating apparatus and temperature control method'2016 9,378,259'Using access count of the remote site to optimize file transfer order for asynchronous replication'2016 9,292,313'Detection of component operating state by computer'2016 9,052,392'Velocity measurement apparatus capable of accurately measuring velocity of moving object relative to ground surface'2015 8,902,080'Vehicle-mounted narrow-band wireless communication apparatus and roadside-to-vehicle narrow-band wireless communication system'2014 8,431,505'Alumina sintered body and method for manufacturing same, and spark plug comprising the alumina sintered body as an insulator'2013 8,255,537'Vehicle communication device'2012 8,228,164'Remote control system for car-mounted device'2012 8,208,515'On-vehicle communication device'2012 8,075,932'Fermented food and its preparation'2011 7,460,864'Roadside narrowband wireless communication apparatus'2008 7,089,654'Ball given quantity supply apparatus and method and apparatus for assembling ball screw apparatus'2006 6,827,182'Elevator controller'2004 6,731,095'Controller for multiplex winding motor'2004 6,554,107'Elevator system'2003 6,533,074'Elevator apparatus with rechargeable power supply and discharge control'2003 6,522,099'Elevator apparatus with rechargeable power supply and discharge control'2003 6,474,447'Elevator power control for adjusting ratio of power supplied from each of dual power sources'2002 6,471,013'Apparatus for controlling charging and discharging of supplemental power supply of an elevator system'2002 6,460,658'Elevator control apparatus'2002 6,457,565'Elevator apparatus with rechargeable power supply and discharge control'2002 6,454,053'Elevator apparatus including rechargeable power supply and temperature sensitive charging control'2002 6,439,348'Elevator controller controlling charging of a battery power source with regenerative power'2002 6,439,347'Elevator control apparatus controlling charging of a power source with regenerative power'2002 6,435,312'Elevator speed controller responsive to power failures'2002 6,435,311'Elevator control calculating power consumed and power generated by a controlled elevator'2002 6,435,313'Controller for dynamically allocating regenerative power to a rechargeable power supply of an elevator'2002 6,431,323'Elevator power management system having power storage apparatus maintaining a particular charge in accordance with time of day'2002 6,431,324'Controller scheduling constant current charging of a rechargeable power source of an elevator system'2002 6,422,351'Elevator speed controller responsive to dual electrical power sources'2002 6,415,892'Power control including a secondary battery for powering an elevator'2002 6,334,511'Double-deck elevator control system'2002 5,796,228'Method of controlling rotary magnet multi-phase synchronous motor and control therefor'1998 5,711,925'Synthesis of pure disilicon hexafluoride'1998 5,628,053'Integrated multilayered microwave circuit and a method of fabricating it'1997 5,436,823'Parallel operation controller for power converters'1995 5,408,608'Distributed data base control center having a plurality of information tables for facilitating a direct communication among terminal units of a network'1995 5,400,240'Power converter apparatus'1995 5,400,039'Integrated multilayered microwave circuit'1995 5,390,102'Parallel running control apparatus for PWM inverters'1995 5,325,285'Parallel running control apparatus for PWM inverters'1994 5,285,029'Device for driving elevator at service interruption'1994 5,034,874'PWM converter apparatus'1991 4,984,147'Control method for PWM converter'1991 4,870,744'Tool exchange system for machining tools'1989 4,847,744'Voltage converter apparatus'1989 4,842,359'Optical star coupler and method of manufacturing the same'1989 4,796,993'Phase modulation type fiber optic gyroscope'1989 4,783,740'Inventory management system'1988 4,745,673'Spindle head unit of a machining center'1988 4,726,643'Optical star coupler and method for manufacturing the same'1988 4,721,188'Control apparatus for A.C. elevator'1988 4,471,443'Compensation method and apparatus for thermal displacement'1984 4,170,276'Motor with selectable speed clutch'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2019Patents assigned to MITSUBISHI ELECTRIC CORP (39)· patent assignee history

1988–1997Patents assigned to HITACHI LTD (5)· patent assignee history

1988–2020Based in Yokohama, JP· patent location history

1988–1995Based in Inazawa, JP· patent location history

1988–1997Based in Katsuta, JP· patent location history

1989–2018Based in Tokyo, JP· patent location history

2002–2003Patents assigned to TOKYO ELECTRIC POWER CO (13)· patent assignee history

2011–2016Patents assigned to ARAKI HIROSHI (8)· patent assignee history

2016–2020Patents assigned to IBM (20)· patent assignee history

2017–2019Based in Chiyoda-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI ELECTRIC CORP	39	1988–2019
IBM	20	2016–2020
TOKYO ELECTRIC POWER CO	13	2002–2003
ARAKI HIROSHIself	8	2011–2016
HITACHI LTD	5	1988–1997

Locations

Location	Patents	Span
Tokyo, JP	33	1989–2018
Yokohama, JP	16	1988–2020
Inazawa, JP	7	1988–1995
Katsuta, JP	5	1988–1997
Chiyoda-ku, JP	4	2017–2019