Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6416722 | Desulfurizing method and apparatus by irradiation of electron beam | Yoshitaka Iizuka | 2002-07-09 |
| 6355084 | Method for producing a fertilizer from gas containing sulfur oxides | Akiko Yokoyama, Yoshitaka Iizuka, Ryoji Suzuki | 2002-03-12 |