Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342665 | Aqueous gel compositions | Hiroyuki Itoh | 1982-08-03 |
| 4337062 | Anti-migration agent for dyeing | Teruaki Yamanashi, Hiroyuki Itoh | 1982-06-29 |
| 4309324 | Solidification of liquids with polyhexamethylenimine | Hitoshi Yuasa | 1982-01-05 |