Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7975588 | Scribing method, a cutter wheel, a scribing apparatus using the cutter wheel, and an apparatus for producing the cutter wheel | Kiyoshi Takamatsu, Noriyuki Ogasawara | 2011-07-12 |
| 7975589 | Scribing wheel for brittle material and manufacturing method for same, as well as scribing method, scribing apparatus and scribing tool using the same | Haruo Wakayama | 2011-07-12 |