Masaki Sano

Charge pump circuit for phase locked loop free from spike current

Process of leaching gold

VCO circuit, Pll circuit using VCO circuit, and data recording apparatus using the Pll circuit

RECOVERY METHOD OF GOLD

DIGITAL VCO, VCO CIRCUIT, PLL CIRCUIT, INFORMATION RECORDING DEVICE AND SYNCHRONIZING CLOCK SIGNAL GENERATING METHOD

Method for treating copper-containing molybdenum ore

Procédé de récupération d'or à partir de minerai d'or contenant de la pyrite

METHOD FOR RECOVERING GOLD ADSORBED ON ACTIVATED CARBON AND GOLD MANUFACTURING PROCESS USING SAME

Method for eluting silver and metal adsorbed by activated carbon, and method for recovering metal and silver employing same

Method of eluting gold and silver adsorbed on activated carbon and method of recovering gold and silver using the same