Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6599357 | Detoxifying agent for use in disposal of noxious wastes that is conducted by solidifying them with cement | Kunio Sasada, Shuichi Sugihara | 2003-07-29 |
| D312408 | Table clock | — | 1990-11-27 |
| 4344623 | Three-dimensional combination toy | — | 1982-08-17 |