diff --git a/kuromoji/kuromoji-tests.ts b/kuromoji/kuromoji-tests.ts
new file mode 100644
index 000000000..d19e7f140
--- /dev/null
+++ b/kuromoji/kuromoji-tests.ts
@@ -0,0 +1,9 @@
+/// <reference path="kuromoji.d.ts" />
+
+kuromoji.builder({ dicPath: "/url/to/dictionary/dir/" }).build(function (err, tokenizer) {
+    var path = tokenizer.tokenize("すもももももももものうち");
+    path.forEach((token)=>{
+        console.log(token.word_id);
+        console.log(token.surface_form);
+    });
+});
\ No newline at end of file
diff --git a/kuromoji/kuromoji.d.ts b/kuromoji/kuromoji.d.ts
new file mode 100644
index 000000000..7ee5ca92a
--- /dev/null
+++ b/kuromoji/kuromoji.d.ts
@@ -0,0 +1,96 @@
+// Type definitions for kuromoji.js
+// Project: https://github.com/takuyaa/kuromoji.js
+// Definitions by: MIZUSHIMA Junki <https://github.com/mzsm>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module kuromoji {
+
+    interface TokenizerBuilderOption {
+        dicPath?: string;
+    }
+
+    interface TokenizerBuilder<T> {
+        build(callback: (err: Error, tokenizer: Tokenizer<T>) => void): void;
+    }
+
+    interface Tokenizer<T> {
+        token_info_dictionary: any;
+        unknown_dictionary: any;
+        viterbi_builder: ViterbiBuilder;
+        viterbi_searcher: ViterbiSearcher;
+        formatter: T;
+        tokenize(text: string): T[];
+        getLattice(text: string): ViterbiLattice;
+    }
+
+    interface ViterbiBuilder {
+        trie: any;
+        token_info_dictionary: any;
+        unknown_dictionary: any;
+        build(sentence_str: string): ViterbiLattice;
+
+    }
+
+    interface ViterbiSearcher {
+        connection_costs: any;
+        search(lattice: ViterbiLattice): ViterbiNode[];
+        forward(lattice: ViterbiLattice)
+    }
+
+    interface ViterbiLattice {
+        append(node: ViterbiNode): void;
+        appendEos(): void;
+    }
+
+    interface ViterbiNode {
+        name: string;
+        cost: number;
+        start_pos: number;
+        length: number;
+        left_id: number;
+        right_id: number;
+        prev: ViterbiNode;
+        surface_form: string;
+        shortest_cost: number;
+        type: string;
+    }
+
+    interface IpadicFormatter {
+        formatEntry(word_id: number, position: number, type: string, features: string[]): IpadicFormat;
+        formatUnknownEntry(word_id: number, position: number, type: string, features: string[]): IpadicFormat;
+    }
+
+    interface IpadicFormat {
+        word_id: number;
+        word_type: string;
+        word_position: number;
+        surface_form: number;
+        pos: string;
+        pos_detail_1: string;
+        pos_detail_2: string;
+        pos_detail_3: string;
+        conjugated_type: string;
+        conjugated_form: string;
+        basic_form: string;
+        reading?: string;
+        pronunciation?: string;
+    }
+
+    interface DictionaryBuilder {
+        tid_entries: number[];
+        unk_entries: number[];
+        matrix_text: string;
+        char_text: string;
+        addTokenInfoDictionary(text: string): DictionaryBuilder;
+        costMatrix(matrix_text: string): DictionaryBuilder;
+        charDef(char_text: string): DictionaryBuilder;
+        unkDef(text: string): DictionaryBuilder;
+        build(): DynamicDictionaries;
+    }
+
+    interface DynamicDictionaries {
+    }
+
+    export function builder(option?: TokenizerBuilderOption): TokenizerBuilder<IpadicFormat>;
+    export function dictionaryBuilder(): DictionaryBuilder;
+}
\ No newline at end of file