Inventor · disambiguated record
Masayoshi Yamashita
Also filed as: YAMASHITA MASAYOSHI
20 granted patents·5 pending applications·471 citations·filing 1977–2013
95Inventor score
Top patents by PatentIndex Score
25 records- 0196US4256908AProcess for preparing diesters of malonic acidUBE INDUSTRIES·Filed 1979·Granted Mar 17, 1981·56 cites·7 claims
- 0285US4229589AProcess for preparing a diester of oxalic acidUBE INDUSTRIES·Filed 1978·Granted Oct 21, 1980·17 cites·6 claims
- 0383US6539243B1Portable radio terminalNEC CORP·Filed 1999·Granted Mar 25, 2003·111 cites·15 claims
- 0483US4138587AProcess for the preparation of dialkyl oxalatesUBE INDUSTRIES·Filed 1977·Granted Feb 6, 1979·21 cites·12 claims
- 0578US7667116B2Key actuating systemYAMAHA CORP·Filed 2007·Granted Feb 23, 2010·7 cites·3 claims
- 0678US7547833B2Key driving apparatus and keyboard musical instrumentYAMAHA CORP·Filed 2007·Granted Jun 16, 2009·8 cites·21 claims
- 0777US4935745ACard-type radio receiver having slot antenna integrated with housing thereofNEC CORP·Filed 1989·Granted Jun 19, 1990·41 cites·22 claims
- 0877US4806906AData terminalNEC CORP·Filed 1987·Granted Feb 21, 1989·45 cites·4 claims
- 0975US8270657B2Earphone device and sound generating apparatus equipped with the sameTAKIGAWA SOUICHI·Filed 2009·Granted Sep 18, 2012·8 cites·20 claims
- 1072US7559389B2Fuel cell equipped vehicleTOYOTA MOTOR CO LTD·Filed 2003·Granted Jul 14, 2009·21 cites·20 claims
- 1171US6470196B1Portable communication apparatusNEC CORP·Filed 1999·Granted Oct 22, 2002·55 cites·2 claims
- 1264US8885853B2Electrostatic loudspeakerYAMASHITA MASAYOSHI·Filed 2011·Granted Nov 11, 2014·3 cites·9 claims
- 1364US5408699APortable radio equipment having a displayNEC CORP·Filed 1991·Granted Apr 18, 1995·31 cites·14 claims
- 1458US7081677B2Thermoelectric moduleYAMAHA CORP·Filed 2003·Granted Jul 25, 2006·10 cites·4 claims
- 1558US6387138B1Diesel fuel combustion systemUBE INDUSTRIES·Filed 1996·Granted May 14, 2002·17 cites·6 claims
- 1657US5493218AMagnetic detecting apparatus with a variable voltage power supplyYAMAHA CORP·Filed 1993·Granted Feb 20, 1996·17 cites·1 claims
- 1745US2005249373A1Portable deviceNEC CORP·Filed 2005·Application pending·0 cites
- 1845US2008127799A1Musical keyboard instrumentYAMAHA CORP·Filed 2007·Application pending·0 cites
- 1944US4892948A2-methyl-4-amino-5-aminomethylpyrimidine carbonate, process for preparing the same and method of purification of 2-methyl-4-amino-5-aminomethylpyrimidine using the sameUBE INDUSTRIES·Filed 1988·Granted Jan 9, 1990·1 cites·1 claims
- 2043US5037982AMethod of purifying 2-methyl-4-amino-5-aminomethylpyrimidineUBE INDUSTRIES·Filed 1989·Granted Aug 6, 1991·1 cites·13 claims
- 2142US2013129121A1Electrostatic loudspeaker and method of producing electrostatic loudspeakerYAMAHA CORP·Filed 2013·Application pending·0 cites
- 2241US2005139402A1Fuel cell vehicleFiled 2005·Application pending·0 cites
- 2340US2003224837A1Portable telephoneNEC CORP·Filed 2003·Application pending·0 cites
- 2432US4978766AProcess for producing 2-hydroxymethylene-3,3-dialkoxypropanenitrile alkali metal salt and process for obtaining alcoholic slurry of said compound from its synthetic reaction mixtureUBE INDUSTRIES·Filed 1989·Granted Dec 18, 1990·1 cites·9 claims
- 2530US6353426B1Liquid crystal display control system controllable of connection between a driver circuit and each of common linesNEC CORP·Filed 1999·Granted Mar 5, 2002·0 cites·10 claims
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