Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9030359 | Communication sheet structure and information management system | Seiji Ito | 2015-05-12 |
| 8570240 | Communication sheet structure | Akira Tanaka, Hiroyuki Mori | 2013-10-29 |