diff --git a/effects/cube/cubeslide.desktop b/effects/cube/cubeslide.desktop
index 1cebcd9440..e627501c46 100644
--- a/effects/cube/cubeslide.desktop
+++ b/effects/cube/cubeslide.desktop
@@ -4,6 +4,7 @@ Name[el]=Εφέ κύβου επιφάνειας εργασίας
 Name[et]=Töölauakuubiku animeerimine
 Name[ga]=Beochan an Chiúib Deisce
 Name[gl]=Animación do cubo do escritorio
+Name[ja]=デスクトップキューブのアニメーション
 Name[nb]=Animert skrivebordsterning
 Name[nds]=Animeert Wörpel-Schriefdisch
 Name[nl]=Bureaubladkubusanimatie
@@ -20,6 +21,7 @@ Comment[el]=Εφέ εναλλαγής επιφάνειας εργασίας με
 Comment[et]=Töölaua vahetamise animeerimine kuubikul
 Comment[ga]=Beoigh malairt na deisce le ciúb
 Comment[gl]=Anima o troco de escritorio cunha forma cúbica
+Comment[ja]=キューブを使ってデスクトップの切り替えをアニメーション化します
 Comment[nb]=Animer skrivebordsbytte med en terning
 Comment[nds]=Schriefdischwesseln mit en Wörpel animeren
 Comment[nl]=Animatie van het wisselen van bureaublad met een kubus
diff --git a/effects/cube/cubeslide_config.desktop b/effects/cube/cubeslide_config.desktop
index b1f28daed8..d95fcd4027 100644
--- a/effects/cube/cubeslide_config.desktop
+++ b/effects/cube/cubeslide_config.desktop
@@ -11,6 +11,7 @@ Name[el]=Εφέ κύβου επιφάνειας εργασίας
 Name[et]=Töölauakuubiku animeerimine
 Name[ga]=Beochan an Chiúib Deisce
 Name[gl]=Animación do cubo do escritorio
+Name[ja]=デスクトップキューブのアニメーション
 Name[nb]=Animert skrivebordsterning
 Name[nds]=Animeert Wörpel-Schriefdisch
 Name[nl]=Bureaubladkubusanimatie
diff --git a/effects/highlightwindow/highlightwindow.desktop b/effects/highlightwindow/highlightwindow.desktop
index b2074aa99c..6a0065f45c 100644
--- a/effects/highlightwindow/highlightwindow.desktop
+++ b/effects/highlightwindow/highlightwindow.desktop
@@ -8,6 +8,7 @@ Name[et]=Akna esiletõstmine
 Name[eu]=Leihoa nabarmendu
 Name[ga]=Aibhsigh Fuinneog
 Name[gl]=Realzar a fiestra
+Name[ja]=ウィンドウを強調表示
 Name[nb]=Uthev vindu
 Name[nds]=Finster rutheven
 Name[nl]=Oplichten van venster
@@ -28,6 +29,7 @@ Comment[el]=Τονισμός του αντίστοιχου παραθύρου ό
 Comment[et]=Akende esiletõstmine, kui kursor on nende tegumiriba kirje kohal
 Comment[ga]=Aibhsigh an fhuinneog chuí nuair atá an cúrsóir os cionn iontrála sa tascbharra
 Comment[gl]=Realza a fiestra apropriada ao pasar o rato sobre a barra de tarefas
+Comment[ja]=タスクバーのエントリの上にマウスを止めたときに、対応するウィンドウを強調表示します
 Comment[nb]=Uthev det tilknyttede vinduet når pekeren er over oppgavelinja
 Comment[nds]=Bi't Wiesen op Programmbalken-Indrääg de tohören Finstern rutheven
 Comment[nl]=Laat het bijbehorende venster oplichten bij het bewegen over de taakbalkitems
diff --git a/effects/sheet/sheet.desktop b/effects/sheet/sheet.desktop
index 84d6b1a07c..568a556449 100644
--- a/effects/sheet/sheet.desktop
+++ b/effects/sheet/sheet.desktop
@@ -3,6 +3,7 @@ Name=Sheet
 Name[et]=Ärakerimine
 Name[ga]=Bileog
 Name[gl]=Folla
+Name[ja]=シート
 Name[nds]=Blööd
 Name[nl]=Werkblad
 Name[pt]=Folha
diff --git a/kcmkwin/kwinscreenedges/kwinscreenedges.desktop b/kcmkwin/kwinscreenedges/kwinscreenedges.desktop
index 7fc11deead..4769fc1e41 100644
--- a/kcmkwin/kwinscreenedges/kwinscreenedges.desktop
+++ b/kcmkwin/kwinscreenedges/kwinscreenedges.desktop
@@ -14,6 +14,7 @@ X-KDE-Weight=65
 Name=Screen Edges
 Name[et]=Ekraani servad
 Name[ga]=Ciumhaiseanna Scáileáin
+Name[ja]=スクリーンエッジ
 Name[nds]=Schirmkanten
 Name[nl]=Schermranden
 Name[pt]=Extremos do Ecrã
@@ -26,6 +27,7 @@ Name[zh_TW]=螢幕邊緣
 Comment=Configure active screen edges
 Comment[et]=Aktiivsete ekraani servade seadistamine
 Comment[ga]=Cumraigh ciumhaiseanna gníomhacha
+Comment[ja]=アクティブスクリーンエッジを設定します
 Comment[nds]=Dat Bedregen vun de Schirmkanten instellen
 Comment[nl]=Actieve schermranden instellen
 Comment[pt]=Configurar os extremos activos do ecrã