Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10797268 | Light-emitting device | — | 2020-10-06 |
| 10780473 | Cement solidification device for waste and method therefor, and zero-liquid discharge air pollution control system and method therefor | Naoyuki Kamiyama, Seiji Kagawa, Tetsu Ushiku, Satoru Sugita | 2020-09-22 |
| 10756303 | Light emitting device | — | 2020-08-25 |
| 10704835 | Method of spray drying and washing and method of controlling air pollution | Seiji Kagawa, Jun Satou | 2020-07-07 |
| 10617996 | Desulfurization apparatus and method of operating desulfurization apparatus | Naoyuki Kamiyama, Koichiro Hirayama, Satoru Sugita, Yoshito Tanaka, Seiji Kagawa | 2020-04-14 |