Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5106890 | Polyvinyl alcohol-starch film | Motokazu Maruhashi | 1992-04-21 |
| 4192649 | Process of sizing, weaving, desizing and waste water treatment | Hiroshi Kato, Yoshiaki Ito, Atsuo Sawada | 1980-03-11 |