Inventor
YAMASHITA MASAYOSHI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “YAMASHITA MASAYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UBE INDUSTRIES
7 patentsUS4256908AMar 17, 1981
Process for preparing diesters of malonic acid
UBE INDUSTRIES56 citations95
US6387138B1May 14, 2002
Diesel fuel combustion system
UBE INDUSTRIES17 citations81
US4138587AFeb 6, 1979
Process for the preparation of dialkyl oxalates
UBE INDUSTRIES21 citations77
US4229589AOct 21, 1980
Process for preparing a diester of oxalic acid
UBE INDUSTRIES17 citations73
US4892948AJan 9, 1990
2-methyl-4-amino-5-aminomethylpyrimidine carbonate, process for preparing the same and method of purification of 2-methyl-4-amino-5-aminomethylpyrimidine using the same
UBE INDUSTRIES1 citations63
US5037982AAug 6, 1991
Method of purifying 2-methyl-4-amino-5-aminomethylpyrimidine
UBE INDUSTRIES1 citations52
US4978766ADec 18, 1990
Process for producing 2-hydroxymethylene-3,3-dialkoxypropanenitrile alkali metal salt and process for obtaining alcoholic slurry of said compound from its synthetic reaction mixture
UBE INDUSTRIES1 citations46
NEC CORP
6 patentsUS6539243B1Mar 25, 2003
Portable radio terminal
NEC CORP111 citations96
US6470196B1Oct 22, 2002
Portable communication apparatus
NEC CORP55 citations96
US5408699AApr 18, 1995
Portable radio equipment having a display
NEC CORP31 citations92
US4935745AJun 19, 1990
Card-type radio receiver having slot antenna integrated with housing thereof
NEC CORP41 citations92
US4806906AFeb 21, 1989
Data terminal
NEC CORP45 citations92
US6353426B1Mar 5, 2002
Liquid crystal display control system controllable of connection between a driver circuit and each of common lines
NEC CORP0 citations52
YAMAHA CORP
4 patentsUS7547833B2Jun 16, 2009
Key driving apparatus and keyboard musical instrument
YAMAHA CORP8 citations84
US7667116B2Feb 23, 2010
Key actuating system
YAMAHA CORP7 citations74
US5493218AFeb 20, 1996
Magnetic detecting apparatus with a variable voltage power supply
YAMAHA CORP17 citations72
US7081677B2Jul 25, 2006
Thermoelectric module
YAMAHA CORP10 citations70