Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839318 | Method for production of finely porous article using smectite mineral as main component | Kaoru Kawase, Shozo Iida | 1989-06-13 |
| 4753908 | Method for production of microporous separating material from smectite type mineral | Kaoru Kawase, Kenzi Suzuki, Shozo Iida | 1988-06-28 |
| 4629713 | Finely porous clay formed preponderantly of spectite type mineral and method for manufacture of said clay | Kenzi Suzuki, Shozo Iida, Kaoru Kawase | 1986-12-16 |