Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830658 | Method for producing pulp molded article | Yoshiaki Kumamoto, Shinji Otakura, Tokuo Tsuura, Masataka Ishikawa, Toshiyuki Suga +1 more | 2004-12-14 |
| 6810553 | Disposable brush | Kazuya Otsuji, Masayuki Okawa, Yasuki Tsutsumi, Kaoru Hamada, Jun Yamamoto +3 more | 2004-11-02 |