Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360608 | Epoxy resin-bitumen material composition | Kouichi Sakaguchi | 1982-11-23 |
| 4322327 | Slow-curing water-curable urethane prepolymer composition | Naoki Yoshimura, Noritaka Hosokawa | 1982-03-30 |