Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428760 | Method for desulfurizing exhaust gas | Hisashi Miyakawa, Mitsuo Okada, Tetsu Shimatani, Fumio Hori | 2002-08-06 |
| 6041272 | Desulfurization process for flue gases | Hisashi Miyakawa, Kozo Ohsaki | 2000-03-21 |
| 4549904 | Process for the preparation of pellets | Saburo Matsumiya, Katsuya Uehara, Keiji Saito, Kenichi Yaginuma | 1985-10-29 |
| 4310253 | Stirring method | Eizo Sada, Shigeo Katoh, Ryozo Toei | 1982-01-12 |