Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830501 | End face polishing device | Kouji Minami, Hisayuki Hirayama, Masaharu Sugiyama | 2004-12-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830501 | End face polishing device | Kouji Minami, Hisayuki Hirayama, Masaharu Sugiyama | 2004-12-14 |