diff --git a/Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialogEditor.cs b/Assets/UniGLTF/Editor/MeshUtility/BoneMeshEraserEditor.cs
similarity index 82%
rename from Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialogEditor.cs
rename to Assets/UniGLTF/Editor/MeshUtility/BoneMeshEraserEditor.cs
index e14659de0..212e77b9b 100644
--- a/Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialogEditor.cs
+++ b/Assets/UniGLTF/Editor/MeshUtility/BoneMeshEraserEditor.cs
@@ -15,20 +15,20 @@ namespace UniGLTF.MeshUtility
     /// UnityEngine.Object を継承したクラスのフィールドに ユーザー定義 struct を配置する。
     /// 持ち主の SerializedObject を経由して EditorGUILayout.PropertyField してる。
     /// </summary>
-    [CustomEditor(typeof(MeshProcessDialog), true)]
-    class MeshProcessDialogEditor : Editor
+    [CustomEditor(typeof(MeshUtilityDialog), true)]
+    class BoneMeshEraserEditor : Editor
     {
-        MeshProcessDialog _targetDialog;
+        MeshUtilityDialog _targetDialog;
         SerializedProperty _skinnedMesh;
         SerializedProperty _eraseBones;
 
         void OnEnable()
         {
-            _targetDialog = target as MeshProcessDialog;
+            _targetDialog = target as MeshUtilityDialog;
             if (_targetDialog)
             {
-                _skinnedMesh = serializedObject.FindProperty(nameof(MeshProcessDialog._skinnedMeshRenderer));
-                _eraseBones = serializedObject.FindProperty(nameof(MeshProcessDialog._eraseBones));
+                _skinnedMesh = serializedObject.FindProperty(nameof(MeshUtilityDialog._skinnedMeshRenderer));
+                _eraseBones = serializedObject.FindProperty(nameof(MeshUtilityDialog._eraseBones));
             }
         }
 
diff --git a/Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialogTabs.cs.meta b/Assets/UniGLTF/Editor/MeshUtility/BoneMeshEraserEditor.cs.meta
similarity index 83%
rename from Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialogTabs.cs.meta
rename to Assets/UniGLTF/Editor/MeshUtility/BoneMeshEraserEditor.cs.meta
index 76e129bdc..d256f2e98 100644
--- a/Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialogTabs.cs.meta
+++ b/Assets/UniGLTF/Editor/MeshUtility/BoneMeshEraserEditor.cs.meta
@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 829a678062065f04582189619babae79
+guid: 2021859c0d7255643bd93c95ab3fcf3d
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2
diff --git a/Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialogEditor.cs.meta b/Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialogEditor.cs.meta
deleted file mode 100644
index de1678682..000000000
--- a/Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialogEditor.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 04fa1873cf1c0374aab1670a24d741b5
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialogTabs.cs b/Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialogTabs.cs
deleted file mode 100644
index 87ad28880..000000000
--- a/Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialogTabs.cs
+++ /dev/null
@@ -1,9 +0,0 @@
-namespace UniGLTF.MeshUtility
-{
-    public enum MeshProcessDialogTabs
-    {
-        MeshSeparator,
-        MeshIntegrator,
-        BoneMeshEraser,
-    }
-}
diff --git a/Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialog.cs b/Assets/UniGLTF/Editor/MeshUtility/MeshUtilityDialog.cs
similarity index 77%
rename from Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialog.cs
rename to Assets/UniGLTF/Editor/MeshUtility/MeshUtilityDialog.cs
index b1fc04feb..36e91ec5c 100644
--- a/Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialog.cs
+++ b/Assets/UniGLTF/Editor/MeshUtility/MeshUtilityDialog.cs
@@ -5,9 +5,16 @@ using System.Collections.Generic;
 
 namespace UniGLTF.MeshUtility
 {
-    public class MeshProcessDialog : EditorWindow
+    public class MeshUtilityDialog : EditorWindow
     {
-        const string TITLE = "Mesh Processing Window";
+        const string TITLE = "Mesh Utility Window";
+
+        enum MeshProcessDialogTabs
+        {
+            MeshSeparator,
+            MeshIntegrator,
+            BoneMeshEraser,
+        }
         MeshProcessDialogTabs _tab;
 
         private GameObject _exportTarget;
@@ -21,13 +28,13 @@ namespace UniGLTF.MeshUtility
         [SerializeField]
         public List<BoneMeshEraser.EraseBone> _eraseBones;
 
-        private MeshProcessDialogEditor _boneMeshEraserEditor;
+        private BoneMeshEraserEditor _boneMeshEraserEditor;
         private Vector2 _scrollPos = new Vector2(0, 0);
 
         public static void OpenWindow()
         {
             var window =
-                (MeshProcessDialog)EditorWindow.GetWindow(typeof(MeshProcessDialog));
+                (MeshUtilityDialog)EditorWindow.GetWindow(typeof(MeshUtilityDialog));
             window.titleContent = new GUIContent(TITLE);
             window.Show();
         }
@@ -36,7 +43,7 @@ namespace UniGLTF.MeshUtility
         {
             if (!_boneMeshEraserEditor)
             {
-                _boneMeshEraserEditor = (MeshProcessDialogEditor)Editor.CreateEditor(this);
+                _boneMeshEraserEditor = (BoneMeshEraserEditor)Editor.CreateEditor(this);
             }
         }
 
@@ -45,7 +52,7 @@ namespace UniGLTF.MeshUtility
             _scrollPos = EditorGUILayout.BeginScrollView(_scrollPos);
             EditorGUIUtility.labelWidth = 200;
             LanguageGetter.OnGuiSelectLang();
-            _exportTarget = (GameObject)EditorGUILayout.ObjectField(MeshProcessingMessages.TARGET_OBJECT.Msg(), _exportTarget, typeof(GameObject), true);
+            _exportTarget = (GameObject)EditorGUILayout.ObjectField(MeshUtilityMessages.TARGET_OBJECT.Msg(), _exportTarget, typeof(GameObject), true);
             _tab = TabBar.OnGUI(_tab, "LargeButton", GUI.ToolbarButtonSize.Fixed);
 
             var processed = false;
@@ -53,7 +60,7 @@ namespace UniGLTF.MeshUtility
             {
                 case MeshProcessDialogTabs.MeshSeparator:
                     {
-                        EditorGUILayout.HelpBox(MeshProcessingMessages.MESH_SEPARATOR.Msg(), MessageType.Info);
+                        EditorGUILayout.HelpBox(MeshUtilityMessages.MESH_SEPARATOR.Msg(), MessageType.Info);
                         if (TabMeshSeparator.TryExecutable(_exportTarget, out string msg))
                         {
                             processed = TabMeshSeparator.OnGUI(_exportTarget);
@@ -67,8 +74,8 @@ namespace UniGLTF.MeshUtility
 
                 case MeshProcessDialogTabs.MeshIntegrator:
                     {
-                        EditorGUILayout.HelpBox(MeshProcessingMessages.MESH_INTEGRATOR.Msg(), MessageType.Info);
-                        _separateByBlendShape = EditorGUILayout.Toggle(MeshProcessingMessages.MESH_SEPARATOR_BY_BLENDSHAPE.Msg(), _separateByBlendShape);
+                        EditorGUILayout.HelpBox(MeshUtilityMessages.MESH_INTEGRATOR.Msg(), MessageType.Info);
+                        _separateByBlendShape = EditorGUILayout.Toggle(MeshUtilityMessages.MESH_SEPARATOR_BY_BLENDSHAPE.Msg(), _separateByBlendShape);
                         if (TabMeshIntegrator.TryExecutable(_exportTarget, out string msg))
                         {
                             if (GUILayout.Button("Process", GUILayout.MinWidth(100)))
@@ -85,7 +92,7 @@ namespace UniGLTF.MeshUtility
 
                 case MeshProcessDialogTabs.BoneMeshEraser:
                     {
-                        EditorGUILayout.HelpBox(MeshProcessingMessages.BONE_MESH_ERASER.Msg(), MessageType.Info);
+                        EditorGUILayout.HelpBox(MeshUtilityMessages.BONE_MESH_ERASER.Msg(), MessageType.Info);
                         if (_boneMeshEraserEditor)
                         {
                             _boneMeshEraserEditor.OnInspectorGUI();
diff --git a/Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialog.cs.meta b/Assets/UniGLTF/Editor/MeshUtility/MeshUtilityDialog.cs.meta
similarity index 83%
rename from Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialog.cs.meta
rename to Assets/UniGLTF/Editor/MeshUtility/MeshUtilityDialog.cs.meta
index 1127183e7..826fcfe43 100644
--- a/Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialog.cs.meta
+++ b/Assets/UniGLTF/Editor/MeshUtility/MeshUtilityDialog.cs.meta
@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 86cbd6470ebef2f4c976410efaf45638
+guid: 1bdcb928351f92047a91c17c3d629853
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2
diff --git a/Assets/UniGLTF/Editor/MeshUtility/MeshProcessingMessages.cs b/Assets/UniGLTF/Editor/MeshUtility/MeshUtilityMessages.cs
similarity index 99%
rename from Assets/UniGLTF/Editor/MeshUtility/MeshProcessingMessages.cs
rename to Assets/UniGLTF/Editor/MeshUtility/MeshUtilityMessages.cs
index 965e70846..f87c06c5b 100644
--- a/Assets/UniGLTF/Editor/MeshUtility/MeshProcessingMessages.cs
+++ b/Assets/UniGLTF/Editor/MeshUtility/MeshUtilityMessages.cs
@@ -2,7 +2,7 @@ using UniGLTF.M17N;
 
 namespace UniGLTF.MeshUtility
 {
-    public enum MeshProcessingMessages
+    public enum MeshUtilityMessages
     {
         [LangMsg(Languages.ja, "ターゲットオブジェクト")]
         [LangMsg(Languages.en, "TargetObject")]
diff --git a/Assets/UniGLTF/Editor/MeshUtility/MeshProcessingMessages.cs.meta b/Assets/UniGLTF/Editor/MeshUtility/MeshUtilityMessages.cs.meta
similarity index 83%
rename from Assets/UniGLTF/Editor/MeshUtility/MeshProcessingMessages.cs.meta
rename to Assets/UniGLTF/Editor/MeshUtility/MeshUtilityMessages.cs.meta
index e3b56a221..8d37d7253 100644
--- a/Assets/UniGLTF/Editor/MeshUtility/MeshProcessingMessages.cs.meta
+++ b/Assets/UniGLTF/Editor/MeshUtility/MeshUtilityMessages.cs.meta
@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 575d573f28f0e4a48a2a6509e69b7f6f
+guid: abaf50b8dc367d4448cd5d7c99a4eea3
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2
diff --git a/Assets/UniGLTF/Editor/MeshUtility/TabBoneMeshRemover.cs b/Assets/UniGLTF/Editor/MeshUtility/TabBoneMeshRemover.cs
index 9e7566e78..ac06f7747 100644
--- a/Assets/UniGLTF/Editor/MeshUtility/TabBoneMeshRemover.cs
+++ b/Assets/UniGLTF/Editor/MeshUtility/TabBoneMeshRemover.cs
@@ -17,13 +17,13 @@ namespace UniGLTF.MeshUtility
         {
             if (root == null)
             {
-                msg = MeshProcessingMessages.NO_GAMEOBJECT_SELECTED.Msg();
+                msg = MeshUtilityMessages.NO_GAMEOBJECT_SELECTED.Msg();
                 return false;
             }
 
             if (smr == null)
             {
-                msg = MeshProcessingMessages.SELECT_SKINNED_MESH.Msg();
+                msg = MeshUtilityMessages.SELECT_SKINNED_MESH.Msg();
                 return false;
             }
 
diff --git a/Assets/UniGLTF/Editor/MeshUtility/TabMeshIntegrator.cs b/Assets/UniGLTF/Editor/MeshUtility/TabMeshIntegrator.cs
index 95c19948b..847773adb 100644
--- a/Assets/UniGLTF/Editor/MeshUtility/TabMeshIntegrator.cs
+++ b/Assets/UniGLTF/Editor/MeshUtility/TabMeshIntegrator.cs
@@ -13,19 +13,19 @@ namespace UniGLTF.MeshUtility
             // check
             if (root == null)
             {
-                msg = MeshProcessingMessages.NO_GAMEOBJECT_SELECTED.Msg();
+                msg = MeshUtilityMessages.NO_GAMEOBJECT_SELECTED.Msg();
                 return false;
             }
 
             if (HasVrm(root))
             {
-                msg = MeshProcessingMessages.VRM_DETECTED.Msg();
+                msg = MeshUtilityMessages.VRM_DETECTED.Msg();
                 return false;
             }
 
             if (root.GetComponentsInChildren<SkinnedMeshRenderer>().Length == 0 && root.GetComponentsInChildren<MeshFilter>().Length == 0)
             {
-                msg = MeshProcessingMessages.NO_MESH.Msg();
+                msg = MeshUtilityMessages.NO_MESH.Msg();
                 return false;
             }
 
diff --git a/Assets/UniGLTF/Editor/MeshUtility/TabMeshSeparator.cs b/Assets/UniGLTF/Editor/MeshUtility/TabMeshSeparator.cs
index 6e512c858..992681a57 100644
--- a/Assets/UniGLTF/Editor/MeshUtility/TabMeshSeparator.cs
+++ b/Assets/UniGLTF/Editor/MeshUtility/TabMeshSeparator.cs
@@ -24,13 +24,13 @@ namespace UniGLTF.MeshUtility
         {
             if (root == null)
             {
-                msg = MeshProcessingMessages.NO_GAMEOBJECT_SELECTED.Msg();
+                msg = MeshUtilityMessages.NO_GAMEOBJECT_SELECTED.Msg();
                 return false;
             }
 
             if (root.GetComponentsInChildren<SkinnedMeshRenderer>().Length == 0)
             {
-                msg = MeshProcessingMessages.NO_SKINNED_MESH.Msg();
+                msg = MeshUtilityMessages.NO_SKINNED_MESH.Msg();
                 return false;
             }
 
diff --git a/Assets/UniGLTF/Editor/TopMenu.cs b/Assets/UniGLTF/Editor/TopMenu.cs
index f41b442e6..390e155ba 100644
--- a/Assets/UniGLTF/Editor/TopMenu.cs
+++ b/Assets/UniGLTF/Editor/TopMenu.cs
@@ -10,7 +10,6 @@ namespace UniGLTF
     public static class TopMenu
     {
         private const string UserGltfMenuPrefix = UniGLTFVersion.MENU;
-        private const string UserMeshUtilityPrefix = UniGLTFVersion.MENU + "/Mesh Utility";
         private const string DevelopmentMenuPrefix = UniGLTFVersion.MENU + "/Development";
 
         [MenuItem(UserGltfMenuPrefix + "/Version: " + UniGLTFVersion.UNIGLTF_VERSION, validate = true)]
@@ -25,8 +24,8 @@ namespace UniGLTF
         [MenuItem(UserGltfMenuPrefix + "/Import from GLTF (*.gltf|*.glb|*.zip)", priority = 2)]
         private static void ImportGltfFile() => TopMenuImplementation.ImportGltfFileToGameObject();
 
-        [MenuItem(UserMeshUtilityPrefix + "/MeshProcessing Wizard", priority = 10)]
-        private static void OpenMeshProcessingWindow() => MeshUtility.MeshProcessDialog.OpenWindow();
+        [MenuItem(UserGltfMenuPrefix + "/MeshUtility Wizard", priority = 10)]
+        private static void OpenMeshProcessingWindow() => MeshUtility.MeshUtilityDialog.OpenWindow();
 
 #if VRM_DEVELOP
         [MenuItem(DevelopmentMenuPrefix + "/Generate Serialization Code", priority = 20)]