1. Division of Natural System, Graduate School of Natural Science & Technology, Kanazawa University, Kakuma, Kanazawa, Japan;
2. Sanzen Paper Manufacturing Co. Ltd, Kanaiwa, Kanazawa, Japan;
3. Nippon Muki Co. Ltd, Yuki, Japan;
4. Faculty of Frontier Engineering, Institute of Science and Engineering, Kanazawa University, Kakuma, Kanazawa, Japan