Inventor · disambiguated record
Yukio Nakano
Also filed as: NAKANO YUKIO
85 granted patents·22 pending applications·4,040 citations·filing 1987–2024
99Inventor score
Top patents by PatentIndex Score
107 records- 0199US5027400AMultimedia bidirectional broadcast systemHITACHI LTD·Filed 1989·Granted Jun 25, 1991·1.2k cites·47 claims
- 0298US7577694B2Database management system with rebalance architecturesHITACHI LTD·Filed 2006·Granted Aug 18, 2009·101 cites·4 claims
- 0398US5042027ACommunication network system and method of controlling a communication networkHITACHI LTD·Filed 1989·Granted Aug 20, 1991·369 cites·21 claims
- 0496US6625115B1Self-healing network, method for transmission line switching thereof, and transmission equipment thereofHITACHI LTD·Filed 2000·Granted Sep 23, 2003·50 cites·5 claims
- 0596US6567806B1System and method for implementing hash-based load-balancing query processing in a multiprocessor database systemHITACHI LTD·Filed 2000·Granted May 20, 2003·108 cites·30 claims
- 0695US5500756AOptical fiber transmission system and supervision method of the sameHITACHI LTD·Filed 1993·Granted Mar 19, 1996·183 cites·13 claims
- 0794US6026394ASystem and method for implementing parallel operations in a database management systemHITACHI LTD·Filed 1998·Granted Feb 15, 2000·173 cites·31 claims
- 0893US5806059ADatabase management system and method for query process for the sameHITACHI LTD·Filed 1997·Granted Sep 8, 1998·153 cites·16 claims
- 0990US6816078B2System and method for estimating power consumption of electric apparatus, and abnormality alarm system utilizing the sameCENTRAL RES INST ELECT·Filed 2001·Granted Nov 9, 2004·61 cites·9 claims
- 1089US6144633ASelf-healing network, method for transmission line switching thereof, and transmission equipment thereofHITACHI LTD·Filed 1997·Granted Nov 7, 2000·75 cites·38 claims
- 1188US6564205B2Querying parallel database system that execute stored procedures using abstract data type attributes, retrieving location information of data, sub-data between first and second serverHITACHI LTD·Filed 2001·Granted May 13, 2003·49 cites·21 claims
- 1288US5983228AParallel database management method and parallel database management systemHITACHI LTD·Filed 1998·Granted Nov 9, 1999·88 cites·16 claims
- 1387US6256621B1Database management system and query operation therefor, including processing plural database operation requests based on key range of hash codeHITACHI LTD·Filed 1999·Granted Jul 3, 2001·85 cites·23 claims
- 1486US5555477AOptical transmission system constructing method and systemHITACHI LTD·Filed 1993·Granted Sep 10, 1996·48 cites·5 claims
- 1584US7711726B2Method, system and program for creating an indexHITACHI LTD·Filed 2007·Granted May 4, 2010·16 cites·11 claims
- 1684US6697386B2Multiplex transmission apparatuses, multiplex transmission networks, and operation method thereforHITACHI LTD·Filed 2000·Granted Feb 24, 2004·20 cites·23 claims
- 1783US7143105B2Database systemHITACHI LTD·Filed 2004·Granted Nov 28, 2006·37 cites·13 claims
- 1880US6169754B1Multiplex transmission apparatuses, multiplex transmission networks, and operation method thereforHITACHI LTD·Filed 1997·Granted Jan 2, 2001·44 cites·8 claims
- 1980US4818995AParallel transmission systemHITACHI LTD·Filed 1987·Granted Apr 4, 1989·75 cites·9 claims
- 2079US5359600AHigh throughput supervisory system for ATM switching systems transporting STM-N signalsNIPPON TELEGRAPH & TELEPHONE·Filed 1993·Granted Oct 25, 1994·106 cites·3 claims
- 2179US4858224ADiagnostic method of equipment and system using the sameHITACHI LTD·Filed 1988·Granted Aug 15, 1989·45 cites·3 claims
- 2278US6374238B1Routine executing method in database systemHITACHI LTD·Filed 2000·Granted Apr 16, 2002·20 cites·12 claims
- 2377US5983213ADatabase processing method and apparatus using handleHITACHI LTD·Filed 1997·Granted Nov 9, 1999·36 cites·24 claims
- 2477US5940289AParallel database system retrieval method of a relational database management system using initial data retrieval query and subsequent sub-data utilization query processing for minimizing query timeHITACHI LTD·Filed 1997·Granted Aug 17, 1999·53 cites·34 claims
- 2576US6556988B2Database management apparatus and query operation therefor, including processing plural database operation requests based on key range of hash codeHITACHI LTD·Filed 2001·Granted Apr 29, 2003·23 cites·3 claims
- 2674US6694312B2Database processing method and apparatus for processing data by analyzing query inputHITACHI LTD·Filed 2001·Granted Feb 17, 2004·24 cites·9 claims
- 2774US5438445AOptical wavelength multiplexing communication systemHITACHI LTD·Filed 1991·Granted Aug 1, 1995·50 cites·15 claims
- 2872US7380093B2Storage system including a device, data management unit, control unit and/or primary computer, and method, for allocating storage areaHITACHI LTD·Filed 2005·Granted May 27, 2008·6 cites·16 claims
- 2972US5550805AFailure restoration method in a mesh networkHITACHI LTD·Filed 1995·Granted Aug 27, 1996·79 cites·14 claims
- 3071US6728489B2Optical transmission system constructing method and systemHITACHI LTD·Filed 2001·Granted Apr 27, 2004·6 cites·5 claims
- 3171US5812289AOptical repeater and optical transmitterHITACHI LTD·Filed 1996·Granted Sep 22, 1998·23 cites·26 claims
- 3270US5206858ATransmission method and circuit of virtual container using asynchronous transfer modeHITACHI LTD·Filed 1991·Granted Apr 27, 1993·44 cites·4 claims
- 3367US7292785B2Optical transmission system constructing method and systemHITACHI LTD·Filed 2006·Granted Nov 6, 2007·2 cites·2 claims
- 3467US6266169B1Optical transmission equipment which transmits an amplified optical data signal and an optical surveillance signalHITACHI LTD·Filed 1999·Granted Jul 24, 2001·21 cites·4 claims
- 3565US6411631B1Multiplex type transmitting apparatusHITACHI LTD·Filed 2000·Granted Jun 25, 2002·9 cites·2 claims
- 3665US5475676ASwitch for self-healing ringHITACHI LTD·Filed 1993·Granted Dec 12, 1995·25 cites·10 claims
- 3764US7107427B2Storage system comprising memory allocation based on area size, using period and usage historyHITACHI LTD·Filed 2004·Granted Sep 12, 2006·10 cites·15 claims
- 3864US5577037AMethod of processing inclusively STM signals and ATM signals and switching system employing the sameHITACHI LTD·Filed 1994·Granted Nov 19, 1996·42 cites·14 claims
- 3964US5321688AMethod and apparatus for transmission of failure information of virtual path in ATM networkHITACHI LTD·Filed 1991·Granted Jun 14, 1994·31 cites·16 claims
- 4063US9372707B2Computer, virtual machine deployment method and programCHIGUSA KENTARO·Filed 2011·Granted Jun 21, 2016·3 cites·13 claims
- 4162US2024347344A1Planarization apparatus, planarization method, and product manufacturing methodCANON KK·Filed 2024·Application pending·0 cites
- 4261US6728710B2Database processing method, apparatus for implementing same, and medium containing processing program thereforHITACHI LTD·Filed 2002·Granted Apr 27, 2004·5 cites·6 claims
- 4361US5473598ARouting method and apparatus for switching between routing and conversion tables based on selection information included in cells to be routedHITACHI LTD·Filed 1991·Granted Dec 5, 1995·39 cites·16 claims
- 4460US6094440AMultiplex type transmitting apparatusHITACHI LTD·Filed 1997·Granted Jul 25, 2000·22 cites·6 claims
- 4560US5189668AAtm switch and atm multiplexerHITACHI LTD·Filed 1991·Granted Feb 23, 1993·38 cites·30 claims
- 4659US6938043B2Database processing method, apparatus for implementing same, and medium containing processing program thereforHITACHI LTD·Filed 2003·Granted Aug 30, 2005·4 cites·12 claims
- 4759US5271005AMethod of modifying virtual path capacityHITACHI LTD·Filed 1991·Granted Dec 14, 1993·29 cites·9 claims
- 4859US5128939AMethod of phase-converting frame and apparatus using sameHITACHI LTD·Filed 1990·Granted Jul 7, 1992·22 cites·26 claims
- 4958US7225179B2Querying database system to execute stored procedures using abstract data type attributes, retrieving location information of data, sub-data between first and second serversHITACHI LTD·Filed 2005·Granted May 29, 2007·3 cites·15 claims
- 5058US6005699AOptical wavelength multiplexing systemHITACHI LTD·Filed 1997·Granted Dec 21, 1999·21 cites·17 claims
Showing the top 50 of 107 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →