Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695912 | Desensitizing solution for offset printing | Hirotsuga Saito, Ryo Kobirumaki | 1997-12-09 |
| 5681686 | Desensitizing solution for offset printing | Hirotsuga Saito, Mamoru Kidachi | 1997-10-28 |
| 4886730 | Liquid developer for electrostatic photography | Ikuo Oto, Ryo Kobirumaki | 1989-12-12 |