Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8520007 | Graphic drawing device and graphic drawing method | Yoshiyuki Kato, Akira Torii, Hiroyasu Negishi, Masaki Hamada | 2013-08-27 |
| D364413 | Concrete test piece forming mold | Eiji Ueno, Hitoshi Terashima | 1995-11-21 |