Inventor · disambiguated record
Takao Sakurai
Also filed as: SAKURAI TAKAO
32 granted patents·11 pending applications·161 citations·filing 1991–2025
95Inventor score
Top patents by PatentIndex Score
43 records- 0191US11762072B2Optical testing apparatus and method of testing optical measuring instrumentADVANTEST CORP·Filed 2020·Granted Sep 19, 2023·3 cites·13 claims
- 0291US7733044B2IPM motor system and control method thereofMITSUBISHI HEAVY IND LTD·Filed 2006·Granted Jun 8, 2010·60 cites·14 claims
- 0385US8801094B2Vehicle seatNISHIURA TAKESHI·Filed 2012·Granted Aug 12, 2014·13 cites·4 claims
- 0484US8848281B2Wavelength conversion apparatus, light source apparatus, and wavelength conversion methodADVANTEST CORP·Filed 2013·Granted Sep 30, 2014·4 cites·20 claims
- 0582US8352093B2Intra-area environmental control system and intra-area environmental control methodHITACHI LTD·Filed 2010·Granted Jan 8, 2013·5 cites·20 claims
- 0678US8027862B2Time series pattern generating system and method using historical informationHITACHI LTD·Filed 2007·Granted Sep 27, 2011·7 cites·11 claims
- 0775US9384177B2File history recording system, file history management system and file history recording methodSAKURAI TAKAO·Filed 2011·Granted Jul 5, 2016·5 cites·7 claims
- 0873US2025347726A1Electromagnetic wave measuring apparatus, method, and recording mediumADVANTEST CORP·Filed 2025·Application pending·0 cites
- 0970US9037905B2Data processing failure recovery method, system and programSAKURAI TAKAO·Filed 2010·Granted May 19, 2015·3 cites·15 claims
- 1067US8402048B2Trail management method, system, and programEGI MASASHI·Filed 2010·Granted Mar 19, 2013·4 cites·13 claims
- 1167US2025076191A1Electromagnetic wave measuring apparatus, method, and recording mediumADVANTEST CORP·Filed 2024·Application pending·0 cites
- 1266US11762259B2Laser beam output apparatusADVANTEST CORP·Filed 2021·Granted Sep 19, 2023·0 cites·16 claims
- 1366US9870279B2Analysis apparatus and analysis methodHITACHI LTD·Filed 2014·Granted Jan 16, 2018·2 cites·9 claims
- 1465US12455235B2Optical comb measuring apparatusADVANTEST CORP·Filed 2023·Granted Oct 28, 2025·0 cites·14 claims
- 1564US9305043B2Stream data anomaly detection method and deviceSAKURAI TAKAO·Filed 2011·Granted Apr 5, 2016·2 cites·10 claims
- 1660US8966502B2Method and system for recording operations in a web applicationKIKUCHI KATSURO·Filed 2010·Granted Feb 24, 2015·2 cites·15 claims
- 1760US7958217B2Job management system and method for minimizing log dataHITACHI LTD·Filed 2007·Granted Jun 7, 2011·2 cites·8 claims
- 1860US5767955AShort-width pulse generating apparatus for measurement of reflection point, sampling apparatus for measurement of reflection point and reflection point measuring apparatusADVANTEST CORP·Filed 1996·Granted Jun 16, 1998·21 cites·16 claims
- 1958US11635374B2Optical testing apparatusADVANTEST CORP·Filed 2020·Granted Apr 25, 2023·0 cites·9 claims
- 2056US11476629B2Laser beam output apparatusADVANTEST CORP·Filed 2021·Granted Oct 18, 2022·0 cites·15 claims
- 2155US7990100B2Battery control device and hybrid forklift truck equipped with the deviceMITSUBISHI HEAVY IND LTD·Filed 2007·Granted Aug 2, 2011·3 cites·8 claims
- 2255US7222044B2Rotating speed detecting apparatusMITSUBISHI HEAVY IND LTD·Filed 2006·Granted May 22, 2007·2 cites·16 claims
- 2353US12321054B2Optical testing apparatusADVANTEST CORP·Filed 2020·Granted Jun 3, 2025·0 cites·8 claims
- 2453US7235948B2Forklift and method for controlling induction motor applied to the sameMITSUBISHI HEAVY IND LTD·Filed 2006·Granted Jun 26, 2007·4 cites·12 claims
- 2552US11255990B2Internal structure detection systemHITACHI LTD·Filed 2017·Granted Feb 22, 2022·0 cites·11 claims
- 2652US8311868B2Business analysis system and methodNAONO KEN·Filed 2007·Granted Nov 13, 2012·0 cites·8 claims
- 2751US2011153379A1Staff arrangement system and serverTOBA MINAKO·Filed 2009·Application pending·0 cites
- 2850US2023048446A1Optical testing apparatusADVANTEST CORP·Filed 2020·Application pending·0 cites
- 2949US11829048B2Laser beam output apparatusADVANTEST CORP·Filed 2020·Granted Nov 28, 2023·0 cites·15 claims
- 3049US9810089B2Power generation systemMITSUBISHI HEAVY IND LTD·Filed 2013·Granted Nov 7, 2017·0 cites·9 claims
- 3148US9543808B2Power generation system, power generation methodMITSUBISHI HEAVY IND LTD·Filed 2013·Granted Jan 10, 2017·0 cites·7 claims
- 3247US7698423B2Computer system for estimating operational riskHITACHI LTD·Filed 2008·Granted Apr 13, 2010·0 cites·18 claims
- 3344US2008144989A1Optical switch and optical test apparatusADVANTEST CORP·Filed 2007·Application pending·0 cites
- 3441US2009304379A1Optical signal bit rate adjuster, an optical signal generator, an optical test device, an optical signal bit rate adjustment method, a program, and a recording mediumADVANTEST CORP·Filed 2009·Application pending·0 cites
- 3541US2006023291A1Optical moduleADVANTEST CORP·Filed 2005·Application pending·0 cites
- 3640US5801375ASampler module, sampling waveform measurement device using the sample module, and sampling waveform measurement methodADVANTEST CORP·Filed 1996·Granted Sep 1, 1998·11 cites·15 claims
- 3740US2005135750A1Mach-zehnder interferometer, optical coupler, and manufacturing method of optical couplerADVANTEST CORP·Filed 2004·Application pending·0 cites
- 3839US2013044357A1Original document size detection deviceNEC ENGINEERING LTD·Filed 2012·Application pending·0 cites
- 3938US5131743AApparatus and method for inspecting optical fibersADVANTEST CORP·Filed 1991·Granted Jul 21, 1992·8 cites·22 claims
- 4038US2013263156A1Operation log collection method and deviceNAKAGAWA HIROMITSU·Filed 2011·Application pending·0 cites
- 4136US9247025B2Method and device for guaranteeing performance in stream data processingSAKURAI TAKAO·Filed 2011·Granted Jan 26, 2016·0 cites·13 claims
- 4235US8634083B2Original document size detection deviceIGAWA MASAYA·Filed 2012·Granted Jan 21, 2014·0 cites·2 claims
- 4333US2007217928A1Battery Forklift TruckISOBE SHINICHI·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →