Inventor · disambiguated record
Masaaki Kawai
Also filed as: KAWAI MASAAKI
32 granted patents·6 pending applications·460 citations·filing 1976–2022
97Inventor score
Top patents by PatentIndex Score
38 records- 0195US8580705B2Exhaust gas purifying catalystAOKI YUKI·Filed 2010·Granted Nov 12, 2013·27 cites·10 claims
- 0288US8501661B2Catalyst for converting exhaust gasesSUNADA TOMOAKI·Filed 2010·Granted Aug 6, 2013·19 cites·8 claims
- 0388US6975813B1Light output control deviceFUJITSU LTD·Filed 2000·Granted Dec 13, 2005·27 cites·23 claims
- 0482US8361197B2Structure provided with zeolite separation membrane, method for producing same, method for separating mixed fluids and device for separating mixed fluidsNGK INSULATORS LTD·Filed 2011·Granted Jan 29, 2013·6 cites·11 claims
- 0582US7473665B2Exhaust gas-purifying catalyst systemCATALER CORP·Filed 2004·Granted Jan 6, 2009·23 cites·17 claims
- 0675US6859637B2Image reading apparatus, image reading method and document feeder apparatusNISCA CORP·Filed 2003·Granted Feb 22, 2005·14 cites·16 claims
- 0774US7729847B2Air-fuel ratio control device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2007·Granted Jun 1, 2010·6 cites·7 claims
- 0874US5257311ASystem for monitoring ATM cross-connecting apparatus by inside-apparatus monitoring cellFUJITSU LTD·Filed 1992·Granted Oct 26, 1993·75 cites·11 claims
- 0972US5001726ACircuit for generating discrimination voltage levelFUJITSU LTD·Filed 1989·Granted Mar 19, 1991·30 cites·9 claims
- 1071US8764889B2Silica film filter and process for producing silica film filterNGK INSULATORS LTD·Filed 2012·Granted Jul 1, 2014·2 cites·12 claims
- 1169US5265088ACross-connection apparatus for B-ISDNFUJITSU LTD·Filed 1992·Granted Nov 23, 1993·60 cites·8 claims
- 1268US8092624B2Bonding material composition and method for manufacturing the same, and joined body and method for manufacturing the sameTOMITA TAKAHIRO·Filed 2007·Granted Jan 10, 2012·2 cites·23 claims
- 1368US7957557B2Tracking apparatus and tracking methodNAT INST OF ADVANCED IND SCIEN·Filed 2005·Granted Jun 7, 2011·7 cites·9 claims
- 1465US5610913ASwitching equipment for performing a switching operation for a high-speed packet in broadband Integrated Services Digital NetworkFUJITSU LTD·Filed 1995·Granted Mar 11, 1997·62 cites·38 claims
- 1561US4058700AMethod for horizontal fillet welding of steel platesSUMITOMO METAL IND·Filed 1976·Granted Nov 15, 1977·11 cites·6 claims
- 1659US6934501B2Image reading apparatus, image reading method and original transport apparatusNISCA CORP·Filed 2003·Granted Aug 23, 2005·7 cites·17 claims
- 1756US8240131B2Exhaust gas purifying apparatus for internal combustion engineFUJIWARA TAKAHIKO·Filed 2008·Granted Aug 14, 2012·3 cites·12 claims
- 1855US11352924B2Exhaust gas purification catalyst deviceCATALER CORP·Filed 2019·Granted Jun 7, 2022·0 cites·20 claims
- 1955US4935701APhase shift circuitFUJITSU LTD·Filed 1988·Granted Jun 19, 1990·11 cites·18 claims
- 2055US2022228194A1Nucleic acid analysis method and nucleic acid analyzerSYSMEX CORP·Filed 2022·Application pending·0 cites
- 2152US2013043186A1Method for separating liquid mixture, and device for separating liquid mixtureNGK INSULATORS LTD·Filed 2009·Application pending·0 cites
- 2251US9579610B2Method for manufacturing silica membrane filter, and silica membrane filterNGK INSULATORS LTD·Filed 2014·Granted Feb 28, 2017·0 cites·9 claims
- 2351US2009288758A1Method of producing honeycomb segment bonded articleNGK INSULATORS LTD·Filed 2009·Application pending·0 cites
- 2450US5408476AOne bit error correction method having actual data reproduction functionFUJITSU LTD·Filed 1993·Granted Apr 18, 1995·16 cites·6 claims
- 2549US7266308B2Light output control circuitFUJITSU LTD·Filed 2005·Granted Sep 4, 2007·0 cites·9 claims
- 2649US5696759AApparatus for high-speed packet switching in a broadband ISDNFUJITSU LTD·Filed 1995·Granted Dec 9, 1997·24 cites·21 claims
- 2748US10955727B2Wavelength converter and transmission apparatusFUJITSU LTD·Filed 2020·Granted Mar 23, 2021·0 cites·8 claims
- 2848US9045371B2Silicon carbide-based porous bodyKAWAI MASAAKI·Filed 2008·Granted Jun 2, 2015·0 cites·19 claims
- 2948US8441706B2Optical module, optical control method by optical module, optical switch, and optical switching methodYAMASHITA SHINJI·Filed 2009·Granted May 14, 2013·0 cites·16 claims
- 3047US8475907B2Silicon carbide-based porous bodyKAWAI MASAAKI·Filed 2008·Granted Jul 2, 2013·0 cites·17 claims
- 3146US2009250591A1System, device, and method for optical wavefront controlFUJITSU LTD·Filed 2009·Application pending·0 cites
- 3243US8101269B2Porous fired body and manufacturing method thereofKAWAI MASAAKI·Filed 2008·Granted Jan 24, 2012·0 cites·7 claims
- 3341US5515386ATransmission circuit for transmitting fixed-length dataFUJITSU LTD·Filed 1994·Granted May 7, 1996·15 cites·10 claims
- 3438US2013143236A1Method for determining sensitivity of tumor cells to dasatinib and computer programKAWAI MASAAKI·Filed 2012·Application pending·0 cites
- 3537US5878025AATM switch and method for switching path by ATM switchFUJITSU LTD·Filed 1997·Granted Mar 2, 1999·10 cites·50 claims
- 3634US7068747B2Data decision circuit using clock signal which has phase optimized with respect to phase of input data signalFUIJTSU LTD·Filed 2001·Granted Jun 27, 2006·2 cites·7 claims
- 3731US4144443AApparatus for horizontal fillet welding of steel platesSUMITOMO METAL IND·Filed 1977·Granted Mar 13, 1979·1 cites·2 claims
- 3828US2011318768A1Method for determining sensitivity of tumor cells to tyrosine kinase inhibitor and computer program productKAWAI MASAAKI·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →