Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5538579 | Method of processing a plurality of glass plates or the like into a circular shape or a method of perforating a plurality of the same material | Kazuhiko Ishimura, Ikuo Nagasawa, Masabumi Ito | 1996-07-23 |