Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5957398 | Composite ceramic materials as a pulverization medium and for working parts of a pulverizer | Tomohiko Ogata, Minoru Takuwa, Shin-ichi Itou, Yasuhiro Nakano, Toru Tsurumi | 1999-09-28 |