Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6592436 | Grinding and polishing tool for diamond, method for polishing diamond, and polished diamond, single crystal diamond and single diamond compact obtained thereby | Toshihiko Abe, Hitoshi Hashimoto | 2003-07-15 |
| 6585565 | Grinding and polishing tool for diamond, method for polishing diamond, and polished diamond, single crystal diamond and single diamond compact obtained thereby | Toshihiko Abe, Hitoshi Hashimoto | 2003-07-01 |