Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835198 | Polymer composition and textile sizing agent made therefrom | Kohji Moritani, Toshiaki Sato, Junnosuke Yamauchi, Takuji Okaya | 1989-05-30 |
| 4824696 | Production process and adhesives for corrugated board | Masateru Tokumo, Kinichi Shirakawa, Takatoshi Koyakumaru, Takuji Okaya, Hiroyuki Onishi | 1989-04-25 |