Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6159437 | Method for manufacturing an aptatite slurry | Masatoshi Itoi, Michiro Kuwayama | 2000-12-12 |
| 5462693 | Air purifying agent and a process for producing same | Shozo Ichimura, Michinori Hashimoto | 1995-10-31 |
| 5346876 | Air purifying agent and a process for producing same | Shozo Ichimura, Michinori Hashimoto | 1994-09-13 |
| 4340426 | Additives for continuous casting of steel | Shigeo Sasaki | 1982-07-20 |