Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810553 | Disposable brush | Kazuya Otsuji, Masayuki Okawa, Yasuki Tsutsumi, Kaoru Hamada, Jun Yamamoto +3 more | 2004-11-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810553 | Disposable brush | Kazuya Otsuji, Masayuki Okawa, Yasuki Tsutsumi, Kaoru Hamada, Jun Yamamoto +3 more | 2004-11-02 |