Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873145 | Resin-coated aggregates | Minoru Sawaide, Minoru Imai, Daisuke Tachibana | 1989-10-10 |
| 4746364 | Flowing concrete and process of producing the same | Toru Kawai, Gaku Matsumoto | 1988-05-24 |