Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9675935 | Metallosilicates, processes for producing the same, nitrogen oxide removal catalyst, process for producing the same, and method for removing nitrogen oxide with the same | Keisuke Tokunaga, Ko Ariga | 2017-06-13 |
| 9539565 | B-type iron silicate composition and method for reducing nitrogen oxides | Ko Ariga | 2017-01-10 |