Inventor · disambiguated record
Norio Chujo
Also filed as: CHUJO NORIO
42 granted patents·12 pending applications·282 citations·filing 1995–2025
97Inventor score
Top patents by PatentIndex Score
54 records- 0195US8437584B2Optical I/O array module and its fabrication methodMATSUOKA YASUNOBU·Filed 2010·Granted May 7, 2013·33 cites·10 claims
- 0293US7969197B2Output buffer circuit and differential output buffer circuit, and transmission methodHITACHI LTD·Filed 2010·Granted Jun 28, 2011·13 cites·8 claims
- 0388US10763214B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2019·Granted Sep 1, 2020·6 cites·19 claims
- 0485US6894489B2Testing apparatus for conducting a test on a magnetic recording medium or a magnetic head, through recording test data on the magnetic recording medium and reproducing recorded test data therefrom by means of the magnetic headHITACHI HIGH TECH ELECT ENG CO·Filed 2003·Granted May 17, 2005·19 cites·4 claims
- 0583US9217835B2Photoelectric conversion module and transmission apparatus using the sameHITACHI METALS LTD·Filed 2014·Granted Dec 22, 2015·6 cites·14 claims
- 0680US10541216B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2018·Granted Jan 21, 2020·3 cites·19 claims
- 0780US8406581B2Photoelectric composite wiring module and method for manufacturing sameHAMAMURA SAORI·Filed 2010·Granted Mar 26, 2013·8 cites·12 claims
- 0880US8005130B2Transmitter and receiver using forward clock overlaying link informationHITACHI LTD·Filed 2007·Granted Aug 23, 2011·9 cites·12 claims
- 0977US6700369B1Testing apparatus of magnetic recording medium or magnetic head including a plurality of analog-to-digital converters which convert reproduced testing data into digital dataHITACHI LTD·Filed 2000·Granted Mar 2, 2004·11 cites·30 claims
- 1075US6229832B1Optical wavelength stability control apparatus, optical transmitter and multiple wavelength transmitterHITACHI LTD·Filed 1998·Granted May 8, 2001·42 cites·20 claims
- 1173USD704645SHousing for a connectorNOMURA RIKA·Filed 2012·Granted May 13, 2014·20 cites·1 claims
- 1273US8401347B2Photoelectric composite wiring module and method for manufacturing the sameMATSUSHIMA NAOKI·Filed 2009·Granted Mar 19, 2013·6 cites·18 claims
- 1371US7816955B2Ramp generator and circuit pattern inspection apparatus using the same ramp generatorHITACHI LTD·Filed 2008·Granted Oct 19, 2010·3 cites·5 claims
- 1469US7068691B2Directly modulated optical module and method for driving semiconductor laser included thereinOPNEXT JAPAN INC·Filed 2003·Granted Jun 27, 2006·10 cites·8 claims
- 1568US7969751B2High-speed signal transmission apparatusHITACHI CABLE·Filed 2008·Granted Jun 28, 2011·4 cites·10 claims
- 1668US7786751B2Differential signaling system and method of controlling skew between signal lines thereofHITACHI CABLE·Filed 2007·Granted Aug 31, 2010·4 cites·14 claims
- 1768US7692445B2Output buffer circuit and differential output buffer circuit, and transmission methodHITACHI LTD·Filed 2007·Granted Apr 6, 2010·4 cites·9 claims
- 1865US2025386426A1Electronic circuit boardHITACHI VANTARA LTD·Filed 2025·Application pending·0 cites
- 1963US7965765B2Adjustment method, circuit, receiver circuit and transmission equipment of waveform equalization coefficientHITACHI LTD·Filed 2007·Granted Jun 21, 2011·2 cites·6 claims
- 2061US12003047B2Wiring substrate and information processing deviceHITACHI LTD·Filed 2021·Granted Jun 4, 2024·0 cites·12 claims
- 2161US7474290B2Semiconductor device and testing method thereofRENESAS TECH CORP·Filed 2004·Granted Jan 6, 2009·7 cites·4 claims
- 2260US11989412B2Storage system and method for minimizing node down timeHITACHI LTD·Filed 2022·Granted May 21, 2024·0 cites·9 claims
- 2360US7443373B2Semiconductor device and the method of testing the sameRENESAS TECH CORP·Filed 2004·Granted Oct 28, 2008·6 cites·12 claims
- 2459US12511235B2Storage apparatus and control method for storage apparatusHITACHI VANTARA LTD·Filed 2024·Granted Dec 30, 2025·0 cites·15 claims
- 2559US7902860B2Semiconductor circuit, and computing device and communications device using the sameHITACHI LTD·Filed 2008·Granted Mar 8, 2011·4 cites·13 claims
- 2659US7358953B2Semiconductor device and testing method of semiconductor deviceRENESAS TECH CORP·Filed 2003·Granted Apr 15, 2008·6 cites·15 claims
- 2759US6979810B2Optical modules and methods of making the optical modulesOPNEXT JAPAN INC·Filed 2001·Granted Dec 27, 2005·6 cites·14 claims
- 2859US6829441B2Driver circuit and optical-transmission moduleOPNEXT JAPAN INC·Filed 2003·Granted Dec 7, 2004·5 cites·18 claims
- 2958US7772877B2Output buffer circuit, differential output buffer circuit, output buffer circuit having regulation circuit and regulation function, and transmission methodHITACHI LTD·Filed 2008·Granted Aug 10, 2010·1 cites·11 claims
- 3058US2024234308A9Semiconductor apparatus and method for manufacturing semiconductor apparatusADVANTEST CORP·Filed 2023·Application pending·0 cites
- 3158US2024234352A9Stacked chip and fabrication method of stacked chipADVANTEST CORP·Filed 2023·Application pending·0 cites
- 3257US12493567B2Storage apparatus and control method for storage apparatusHITACHI LTD·Filed 2024·Granted Dec 9, 2025·0 cites·6 claims
- 3357USD705172SHousing for a connectorNOMURA RIKA·Filed 2012·Granted May 20, 2014·10 cites·1 claims
- 3457US2024272274A1Radar deviceHITACHI ASTEMO LTD·Filed 2022·Application pending·0 cites
- 3556US12327025B2Storage system having control units to perform data control and method of performing data control in the storage systemHITACHI LTD·Filed 2023·Granted Jun 10, 2025·0 cites·7 claims
- 3656US8324925B2Output buffer circuit and differential output buffer circuit, and transmission methodMURAOKA SATOSHI·Filed 2011·Granted Dec 4, 2012·1 cites·9 claims
- 3753US5541553AAmplifier with a function for switching on and off the output signalHITACHI LTD·Filed 1995·Granted Jul 30, 1996·15 cites·23 claims
- 3852US6774680B2Comparator including a differential transistor pair and a diode arrangementHITACHI LTD·Filed 2003·Granted Aug 10, 2004·8 cites·18 claims
- 3950US11229115B2Wiring board and electronic deviceHITACHI LTD·Filed 2017·Granted Jan 18, 2022·0 cites·10 claims
- 4050US8358172B2Peaking circuit, method for adjusting peaking circuit, differential amplifier installing peaking circuit, laser diode driving circuit installing peaking circuit, and data processing unit installing peaking circuitHITACHI LTD·Filed 2011·Granted Jan 22, 2013·1 cites·14 claims
- 4149US2024431063A1Storage apparatusHITACHI LTD·Filed 2024·Application pending·0 cites
- 4246US2007184687A1Circuit board provided with digging depth detection structure and transmission device with the same mountedKANAI HISAAKI·Filed 2007·Application pending·0 cites
- 4343US9470863B2Optical module assembly, optical wiring board, and information processing device using themHITACHI METALS LTD·Filed 2015·Granted Oct 18, 2016·0 cites·21 claims
- 4443US9182555B2Backplane optical connectorJAPAN AVIATION ELECTRON·Filed 2013·Granted Nov 10, 2015·0 cites·4 claims
- 4543US2009003463A1Output buffer circuit, signal transmission interface circuit and apparatusMURAOKA SATOSHI·Filed 2008·Application pending·0 cites
- 4640US6606177B1Driver circuit and optical-transmission moduleHITACHI LTD·Filed 1999·Granted Aug 12, 2003·9 cites·31 claims
- 4740US2008029763A1Transmission Circuit, Connecting Sheet, Probe Sheet, Probe Card, Semiconductor Inspection System and Method of Manufacturing Semiconductor DeviceKASUKABE SUSUMU·Filed 2007·Application pending·0 cites
- 4838US9698783B2Driver integrated circuitLI WEN·Filed 2012·Granted Jul 4, 2017·0 cites·7 claims
- 4938US2008036512A1Signal delay circuit and driver circuit, signal transmission module, and signal transmission system using signal delay circuitYAMAMOTO KEIICHI·Filed 2007·Application pending·0 cites
- 5037US2003081278A1Optical module testing method and testing systemOPNEXT JAPAN INC·Filed 2002·Application pending·0 cites
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →