diff --git a/Assets/UniGLTF/Runtime/UniGLTF/IO/TextureIO/GltfTextureImporter.cs b/Assets/UniGLTF/Runtime/UniGLTF/IO/TextureIO/GltfTextureImporter.cs
index 30f39c769..91618a655 100644
--- a/Assets/UniGLTF/Runtime/UniGLTF/IO/TextureIO/GltfTextureImporter.cs
+++ b/Assets/UniGLTF/Runtime/UniGLTF/IO/TextureIO/GltfTextureImporter.cs
@@ -35,7 +35,7 @@ namespace UniGLTF
         {
             var gltfTexture = parser.GLTF.textures[textureIndex];
             var gltfImage = parser.GLTF.images[gltfTexture.source];
-            var name = TextureImportName.GetExtractKey(TextureImportTypes.sRGB, gltfTexture.name, null, gltfImage.uri);
+            var name = TextureImportName.GetUnityObjectName(TextureImportTypes.sRGB, gltfTexture.name, gltfImage.uri);
             var sampler = CreateSampler(parser.GLTF, textureIndex);
             GetTextureBytesAsync getTextureBytesAsync = () => Task.FromResult(ToArray(parser.GLTF.GetImageBytesFromTextureIndex(parser.Storage, textureIndex)));
             var key = new SubAssetKey(typeof(Texture2D), name);
@@ -47,7 +47,7 @@ namespace UniGLTF
         {
             var gltfTexture = parser.GLTF.textures[textureIndex];
             var gltfImage = parser.GLTF.images[gltfTexture.source];
-            var name = TextureImportName.GetExtractKey(TextureImportTypes.NormalMap, gltfTexture.name, null, gltfImage.uri);
+            var name = TextureImportName.GetUnityObjectName(TextureImportTypes.NormalMap, null, gltfImage.uri);
             var sampler = CreateSampler(parser.GLTF, textureIndex);
             GetTextureBytesAsync getTextureBytesAsync = () => Task.FromResult(ToArray(parser.GLTF.GetImageBytesFromTextureIndex(parser.Storage, textureIndex)));
             var key = new SubAssetKey(typeof(Texture2D), name);
@@ -64,7 +64,7 @@ namespace UniGLTF
             if (metallicRoughnessTextureIndex.HasValue)
             {
                 var gltfTexture = parser.GLTF.textures[metallicRoughnessTextureIndex.Value];
-                name = TextureImportName.GetExtractKey(TextureImportTypes.StandardMap, gltfTexture.name, gltfTexture.name + ".standard", parser.GLTF.images[gltfTexture.source].uri);
+                name = TextureImportName.GetUnityObjectName(TextureImportTypes.StandardMap, gltfTexture.name, parser.GLTF.images[gltfTexture.source].uri);
                 sampler = CreateSampler(parser.GLTF, metallicRoughnessTextureIndex.Value);
                 getMetallicRoughnessAsync = () => Task.FromResult(ToArray(parser.GLTF.GetImageBytesFromTextureIndex(parser.Storage, metallicRoughnessTextureIndex.Value)));
             }
@@ -75,7 +75,7 @@ namespace UniGLTF
                 var gltfTexture = parser.GLTF.textures[occlusionTextureIndex.Value];
                 if (string.IsNullOrEmpty(name))
                 {
-                    name = TextureImportName.GetExtractKey(TextureImportTypes.StandardMap, gltfTexture.name, gltfTexture.name + ".standard", parser.GLTF.images[gltfTexture.source].uri);
+                    name = TextureImportName.GetUnityObjectName(TextureImportTypes.StandardMap, gltfTexture.name, parser.GLTF.images[gltfTexture.source].uri);
                 }
                 sampler = CreateSampler(parser.GLTF, occlusionTextureIndex.Value);
                 getOcclusionAsync = () => Task.FromResult(ToArray(parser.GLTF.GetImageBytesFromTextureIndex(parser.Storage, occlusionTextureIndex.Value)));
diff --git a/Assets/VRM10/Editor/ScriptedImporter/EditorVrm.cs b/Assets/VRM10/Editor/ScriptedImporter/EditorVrm.cs
index 10c94a25d..6d0ab9bfc 100644
--- a/Assets/VRM10/Editor/ScriptedImporter/EditorVrm.cs
+++ b/Assets/VRM10/Editor/ScriptedImporter/EditorVrm.cs
@@ -39,13 +39,13 @@ namespace UniVRM10
             }
 
             // meta
-            importer.DrawRemapGUI<VRM10MetaObject>(new SubAssetKey[] { VRM10MetaObject.ExtractKey });
+            importer.DrawRemapGUI<VRM10MetaObject>(new SubAssetKey[] { VRM10MetaObject.SubAssetKey });
 
             // expression avatar
-            importer.DrawRemapGUI<VRM10ExpressionAvatar>(new SubAssetKey[] { VRM10ExpressionAvatar.ExtractKey });
+            importer.DrawRemapGUI<VRM10ExpressionAvatar>(new SubAssetKey[] { VRM10ExpressionAvatar.SubAssetKey });
 
             // expressions
-            importer.DrawRemapGUI<VRM10Expression>(vrm.Expressions.Select(x => CreateKey(x).ExtractKey));
+            importer.DrawRemapGUI<VRM10Expression>(vrm.Expressions.Select(x => CreateKey(x).SubAssetKey));
 
             if (GUILayout.Button("Clear"))
             {
diff --git a/Assets/VRM10/Runtime/Components/Expression/ExpressionKey.cs b/Assets/VRM10/Runtime/Components/Expression/ExpressionKey.cs
index 2f842edef..1376b713b 100644
--- a/Assets/VRM10/Runtime/Components/Expression/ExpressionKey.cs
+++ b/Assets/VRM10/Runtime/Components/Expression/ExpressionKey.cs
@@ -174,7 +174,7 @@ namespace UniVRM10
             return 0;
         }
 
-        public SubAssetKey ExtractKey
+        public SubAssetKey SubAssetKey
         {
             get
             {
diff --git a/Assets/VRM10/Runtime/Components/Expression/VRM10ExpressionAvatar.cs b/Assets/VRM10/Runtime/Components/Expression/VRM10ExpressionAvatar.cs
index a05fdd60a..7becb6aac 100644
--- a/Assets/VRM10/Runtime/Components/Expression/VRM10ExpressionAvatar.cs
+++ b/Assets/VRM10/Runtime/Components/Expression/VRM10ExpressionAvatar.cs
@@ -13,7 +13,7 @@ namespace UniVRM10
     [CreateAssetMenu(menuName = "VRM10/ExpressionAvatar")]
     public sealed class VRM10ExpressionAvatar : ScriptableObject
     {
-        public static UniGLTF.SubAssetKey ExtractKey => new UniGLTF.SubAssetKey(typeof(VRM10ExpressionAvatar), "ExpressionAvatar");
+        public static UniGLTF.SubAssetKey SubAssetKey => new UniGLTF.SubAssetKey(typeof(VRM10ExpressionAvatar), "ExpressionAvatar");
 
         [SerializeField]
         public List<VRM10Expression> Clips = new List<VRM10Expression>();
diff --git a/Assets/VRM10/Runtime/Components/Meta/VRM10MetaObject.cs b/Assets/VRM10/Runtime/Components/Meta/VRM10MetaObject.cs
index 3b5ae5cd7..4a39948ed 100644
--- a/Assets/VRM10/Runtime/Components/Meta/VRM10MetaObject.cs
+++ b/Assets/VRM10/Runtime/Components/Meta/VRM10MetaObject.cs
@@ -11,7 +11,7 @@ namespace UniVRM10
     [CreateAssetMenu(menuName = "VRM10/MetaObject")]
     public class VRM10MetaObject : ScriptableObject
     {
-        public static SubAssetKey ExtractKey => new SubAssetKey(typeof(VRM10MetaObject), "Meta");
+        public static SubAssetKey SubAssetKey => new SubAssetKey(typeof(VRM10MetaObject), "Meta");
 
         [SerializeField]
         public string ExporterVersion;
diff --git a/Assets/VRM10/Runtime/IO/RuntimeUnityBuilder.cs b/Assets/VRM10/Runtime/IO/RuntimeUnityBuilder.cs
index bd48874dd..d9b73bc1e 100644
--- a/Assets/VRM10/Runtime/IO/RuntimeUnityBuilder.cs
+++ b/Assets/VRM10/Runtime/IO/RuntimeUnityBuilder.cs
@@ -245,7 +245,7 @@ namespace UniVRM10
             {
                 var src = vrm.Meta;
                 m_meta = ScriptableObject.CreateInstance<VRM10MetaObject>();
-                m_meta.name = VRM10MetaObject.ExtractKey.Name;
+                m_meta.name = VRM10MetaObject.SubAssetKey.Name;
                 controller.Meta = m_meta;
                 m_meta.Name = src.Name;
                 m_meta.Version = src.Version;
@@ -286,14 +286,14 @@ namespace UniVRM10
                 controller.Expression.ExpressionAvatar = ScriptableObject.CreateInstance<VRM10ExpressionAvatar>();
 
                 m_exressionAvatar = controller.Expression.ExpressionAvatar;
-                m_exressionAvatar.name = VRM10ExpressionAvatar.ExtractKey.Name;
+                m_exressionAvatar.name = VRM10ExpressionAvatar.SubAssetKey.Name;
 
                 foreach (var expression in vrm.Expressions)
                 {
                     var clip = ScriptableObject.CreateInstance<UniVRM10.VRM10Expression>();
                     clip.Preset = expression.Preset;
                     clip.ExpressionName = expression.Name;
-                    clip.name = Key(expression).ExtractKey.Name;
+                    clip.name = Key(expression).SubAssetKey.Name;
                     clip.IsBinary = expression.IsBinary.GetValueOrDefault();
                     clip.OverrideBlink = expression.OverrideBlink;
                     clip.OverrideLookAt = expression.OverrideLookAt;
diff --git a/Assets/VRM10/Runtime/IO/Vrm10MToonMaterialImporter.cs b/Assets/VRM10/Runtime/IO/Vrm10MToonMaterialImporter.cs
index 183cd39e2..c1a03d127 100644
--- a/Assets/VRM10/Runtime/IO/Vrm10MToonMaterialImporter.cs
+++ b/Assets/VRM10/Runtime/IO/Vrm10MToonMaterialImporter.cs
@@ -224,7 +224,7 @@ namespace UniVRM10
             // thumbnail
             var imageIndex = vrm.Meta.ThumbnailImage.Value;
             var gltfImage = parser.GLTF.images[imageIndex];
-            var name = TextureImportName.GetExtractKey(TextureImportTypes.sRGB, gltfImage.name, null, gltfImage.uri);
+            var name = TextureImportName.GetUnityObjectName(TextureImportTypes.sRGB, gltfImage.name, gltfImage.uri);
 
             GetTextureBytesAsync getBytesAsync = () =>
             {
diff --git a/Assets/VRMShaders/GLTF/IO/Runtime/TextureImportName.cs b/Assets/VRMShaders/GLTF/IO/Runtime/TextureImportName.cs
index 060bf77bf..f86566fed 100644
--- a/Assets/VRMShaders/GLTF/IO/Runtime/TextureImportName.cs
+++ b/Assets/VRMShaders/GLTF/IO/Runtime/TextureImportName.cs
@@ -5,12 +5,12 @@ namespace VRMShaders
 {
     public static class TextureImportName
     {
-        public static string GetExtractKey(TextureImportTypes type, string gltfName, string convertedName, string uri)
+        public static string GetUnityObjectName(TextureImportTypes type, string gltfName, string uri)
         {
             if (type == TextureImportTypes.StandardMap)
             {
                 // metallic, smooth, occlusion
-                return convertedName;
+                return $"{gltfName}{STANDARD_SUFFIX}";
             }
             else
             {