Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478832 | Grinding stone, process for its production and grinding method employing it | Tsuyoshi Itsukaichi | 2002-11-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478832 | Grinding stone, process for its production and grinding method employing it | Tsuyoshi Itsukaichi | 2002-11-12 |