Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815573 | Method of decomposing halogenated hydrocarbon gas | Jun Ishii, Tatsuro Ariyama, Toshihiko Okada, Minoru Asanuma | 2004-11-09 |
| 5127187 | Soil or soil improver containing porous ion exchanger | Kazuo Araragi, Teruo Hiramatsu | 1992-07-07 |
| 4619442 | Cooling box for steel making furnaces | Kazunori Niiya | 1986-10-28 |