Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839318 | Method for production of finely porous article using smectite mineral as main component | Hiroshi Sakami, Shozo Iida | 1989-06-13 |
| 4753908 | Method for production of microporous separating material from smectite type mineral | Hiroshi Sakami, 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, Hiroshi Sakami | 1986-12-16 |
| 4502930 | Method for manufacture of 7-substituted quadricyclene-cyclodextrin inclusion compound | Takaari Yumoto, Kiyoshi Hayakawa, Hiromi Yamakita, Hiroshi Taoda | 1985-03-05 |
| 4473484 | Material for conversion of solar energy | Hiroshi Taoda, Kiyoshi Hayakawa, Takaari Yumoto, Mineo Kosaka, Tadashi Asahina | 1984-09-25 |
| 4298698 | Method for manufacture of ion-exchange graft membrane | Kiyoshi Hayakawa | 1981-11-03 |