Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6168712 | Apparatus for the biological treatment of waste fluid from the coating process | Masaaki Hamada, Taizo Okazaki | 2001-01-02 |
| 5647879 | Grinding media and a production method thereof | — | 1997-07-15 |