In 1484, Muromachi bakufu officially established 1 ryo of Kyome (the weight standard used in and around Kyoto, applied to the gold currency) was equivalent to 4.5 monme (about 16.8 grams) then in Azuchi Momoyama period (or Genki and Tensho eras [1570 to 1592]), 1 ryo of Kyome was changed to 4 monme and 4 bu (about 16.4 grams) and the weight standards other than Kyome were called Inakame.
文明(日本)16年（1484年）、室町幕府により京目一両は4.5匁（約16.8グラム）と公定され、安土桃山時代すなわち元亀、天正年間には、京目一両は4匁4分（約16.4グラム）と変更され、京目以外の基準は田舎目と呼ばれた。