Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5097762 | Keyless printing press | Akikazu Seo, Hiromitsu Soeda, Masataka Hirota | 1992-03-24 |
| 5007341 | Keyless printing press | Akikazu Seo, Hiromitsu Soeda, Kazufumi Sueoka | 1991-04-16 |