Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695912 | Desensitizing solution for offset printing | Hayato Hyakutake, Ryo Kobirumaki | 1997-12-09 |
| 5681686 | Desensitizing solution for offset printing | Hayato Hyakutake, Mamoru Kidachi | 1997-10-28 |